Will the Strait of Hormuz reopen to LNG traffic before May 2026?pgodzinai forecasts 45%

This is pgodzinai’s full report. Condensed version here.

Perplexity response:

# Summary of Key Sources

#	Title	Date	Summary
1	“Strait of Hormuz & Persian Gulf Update”	Mar 4, 2026	Reports attacks on container ships and tankers in the Strait; tanker transits largely halted since March 1st with ~8% of VCCs stuck; US Navy preparing to escort tankers; war risk insurance being negotiated at 1-3% with expectation ships resume by end of week.
2	“Dire Strait – Strait of Hormuz Update”	Mar 3, 2026	Documents port closures including Ras Tanura in Saudi Arabia; discusses rerouting of container vessels; notes 450+ ships piling up at both ends; VLCC rates exceeding $420K per day; references Lloyd’s List reporting on dark transits and war risk issues.
3	“Ships Stranded at Hormuz”	Mar 1, 2026	Confirms 20 million barrels per day flow through Strait; notes Iran continues loading tankers at Carg Island; documents trading houses suspending shipments; discusses alternative routing options for LNG.
4	“Market is overly optimistic about resumption”	Mar 4, 2026	Expert skepticism about quick reopening; indicates port closures including Ras Tanura in Saudi Arabia.
5	“Energy prices start climbing after war closes Strait”	Mar 4, 2026	Documents energy market reaction to closure; shows price volatility linked to Strait disruption.
6	“Wall Street rattled by oil shock”	Mar 5, 2026	Reports oil prices jumping and market selloffs; documents Iran’s announcement of halted Strait traffic.
7	“Countries work to secure safe passage”	Mar 4, 2026	Shows international diplomatic efforts to reopen passage; references US Navy involvement in escort operations.
8	Lloyd’s List: “Shipowners weigh up risk of dark Hormuz transits”	Mar 4, 2026	Documents risks of untracked vessel transits and insurance complications; shows some vessels already attempting passage with AIS disabled.
9	Lloyd’s List: “Crude tanker rates in unchartered territory”	Mar 4, 2026	VLCC index exceeds $420K per day; indicates extreme market stress and possible $500K daily rates predicted by industry analysts.
10	Lloyd’s List: “Trading houses suspend oil shipments”	Mar 4, 2026	Documents suspension of oil/LNG shipments following radio communications concerns; references ongoing negotiations for resumption.

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Current Situation Analysis

Immediate Crisis Status (Early March 2026)

The Strait of Hormuz experienced a severe disruption beginning around March 1, 2026, with tanker transits largely halting after attacks on multiple vessels in and around the Strait.[1][2] As of March 3-4, approximately 8% of very large crude carriers (VCCs) were trapped within the Persian Gulf, while nearly 80 large tankers (150,000+ tons each) remained stranded on the wrong side of the Strait.[1] Additionally, some 450+ ships accumulated at anchorages on both sides of the chokepoint.[2]

War Risk Insurance and Resumption Timeline

War risk insurance has become the critical bottleneck for reopening. Insurance premiums have increased to 1-3% of cargo value, and shipping industry sources indicate that negotiations for insurance contracts are ongoing.[1] A key expert opinion from the search results suggests that once insurance contracts are signed and negotiated, ships could resume movement “probably by the end of this week” (approximately March 7-8, 2026).[1] However, another expert assessment notes the market is “overly optimistic about resumption,” suggesting actual timelines may be longer than anticipated.[4]

LNG-Specific Routing and Impacts

LNG carriers face particular challenges. Rather than waiting for Strait reopening, liquified natural gas carriers are being prioritized for alternative routing through the Panama Canal to reach Asia quickly.[1] This represents a strategic choice to avoid the Strait rather than wait for normal passage. Additionally, LNG shipments to Europe are being constrained by Houthi threats in the Red Sea and Bab el-Mandeb, with traffic declining through the Suez Canal by approximately 12.5%.[1][2]

Iran’s Continued Loading Activity

Iran continues loading tankers at Carg Island despite the Strait disruption, with at least three LNG/LPG gas carriers documented at Iranian terminals as of early March.[3] This indicates Irarisks of untracked vessel transits and insurance complications;n has not halted export operations and stands ready to resume exports once passage reopens.

Physical Infrastructure Threats

The situation is complicated by reported targeting of UAE pipeline infrastructure that normally diverts Persian Gulf oil exports around the Strait.[2] If this pipeline remains threatened or damaged, pressure to reopen the Strait becomes more urgent, potentially accelerating military solutions to secure passage.

US Navy Escort Commitment

The United States Navy announced it would begin escorting tankers through the Strait “as soon as possible,” emphasizing commitment to ensuring the “free flow of energy to the world.”[1] This military commitment suggests sustained effort toward reopening, though execution timeline remains unclear.

Market Indicators

VLCC charter rates have exceeded $420,000 per day with predictions reaching $500,000 daily by industry analysts,[2] reflecting extreme market stress. These elevated rates incentivize vessel operators to resume Strait transits once conditions permit.

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Assessment for May 31, 2026 Deadline

The consensus from early March 2026 sources indicates a near-term reopeningrisks of untracked vessel transits and insurance complications; window of days to weeks. Expert opinion suggests resumed traffic by mid-March if insurance negotiations complete as expected. However, the explicit caveat that “the market is overly optimistic” suggests actual reopening could be delayed beyond initial estimates.[4] LNG specifically is being rerouted rather than queued for Strait passage, which may reduce pressure to fully normalize Strait LNG traffic by the May 31 deadline. The nearly three-month window from early March to end of May provides substantial time for military, diplomatic, and insurance frameworks to stabilize transit operations.

Grok response:

1. Title: Shipping Has Collapsed Through Vital Strait of Hormuz
   Description: Bloomberg article on near standstill of traffic amid US-Israel-Iran war.
   Date of Publication: March 4, 2026 (22 hours ago from March 5).
   Summary: Traffic through the Strait has plummeted by over 95%, with only two bulk carriers and one small container ship observed on Tuesday, all outbound. Major crude carriers and LNG tankers are avoiding the route entirely. Ship-tracking data shows just seven vessels passed on Monday, down from over 100 on Friday before strikes began.[1]
2. Title: Strait of Hormuz: How Iran Conflict Is Disrupting Oil and Gas Shipping
   Description: Bloomberg report on maritime traffic halt post-US/Israel strikes.
   Date of Publication: March 4, 2026.
   Summary: Traffic has almost completely stopped since strikes on Iran, with IRGC warning ships of missile/drone risks. Insurers have withdrawn war risk coverage for the area. No significant LNG or oil tanker transits reported in recent days.[2]
3. Title: Iran War Brings Strait of Hormuz Traffic to a Halt
   Description: Bloomberg evening briefing on fifth day of war and shipping stopprisks of untracked vessel transits and insurance complications;age.
   Date of Publication: March 5, 2026 (2 hours ago).
   Summary: By day five of conflict, shipping has effectively stopped; a container vessel was attacked and abandoned in the strait. Fears realized of Hormuz as battlefield chokepoint. No resumption of LNG or major tanker flows noted.[3]
4. Title: Iran conflict 2026: Disruption to Strait of Hormuz increases energy risks
   Description: Janes analysis of vessel passages decreasing amid conflict.
   Date of Publication: March 2, 2026.
   Summary: By March 2, vessel passages had substantially decreased, widening disruptions to global oil and LNG. Qatar, a top LNG exporter, routes nearly all through the strait. Ongoing war escalations prevent any traffic normalization.[4]
5. Title: The global chokepoint in the Strait of Hormuz
   Description: Reuters graphic on oil/LNG flows through Hormuz.
   Date of Publication: March 2, 2026.
   Summary: Qatar sends almost all LNG through the strait, now disrupted by war. Traffic data shows sharp decline in transits. No reports of LNG carriers resuming unimpeded passage.[5]
6. Title: Oil surges as Strait of Hormuz traffic nearly halts amid Middle East war
   Description: World Oil coverage of oil price gains due to traffic halt.
   Date of Publication: March 2, 2026.
   Summary: Traffic nearly halted, with largest single-day oil gain. LNG traffic similarly impacted, no resumption. Conflict ongoing with no signs of reopening.[6]
7. Title: Strait of Hormuz Disruptions Raise Shipping and Infrastructure Concernsrisks of untracked vessel transits and insurance complications;
   Description: Pipeline & Gas Journal on slowing crude/LNG traffic.
   Date of Publication: March 2, 2026.
   Summary: Tensions slowing ~20% of global oil and LNG flows. Escalations prevent unimpeded transits. Vessels avoiding strait entirely.[7]
8. Title: How Iran’s Strait of Hormuz shutdown could hit the global economy
   Description: Axios on economic impacts of shutdown.
   Date of Publication: March 5, 2026 (13 hours ago).
   Summary: US-Israel war with Iran escalates tensions, leading to shutdown. Global energy trade disrupted, including LNG. No movement toward reopening reported.[8]
9. Title: Iran has largely halted oil and gas exports through strait of Hormuz
   Description: Guardian report on halted exports and tanker strikes.
   Date of Publication: March 4, 2026.
   Summary: Iran halted exports; at least four tankers struck by drones. Maritime traffic down sharply, including LNG. No resumption as of latest updates.[9]
10. Title: 2026 Strait of Hormuz crisis
    Description: Wikipedia entry on ongoing crisis since Feb 28.
    Date of Publication: March 5, 2026 (last edited 3 hours ago).
    Summary: Geopolitical disruption since Feb 28; traffic heavy outgoing on 28th but light incoming. Tankers struck; effective de facto closure. No reports of LNG resumption by early March.[10]

Current Status and Recent Developments

As of March 5, 2026, the Strait of Hormuz remains effectively closed to commercial LNG traffic due to the ongoing US-Israel-Iran war that began with strikes on Iran around February 28, 2026.[1][3] Ship-tracking data from Bloomberg indicates traffic has dropped over 95%, with zero major LNG carriers or crude tankers transiting since late February; only minimal non-energy vessels (e.g., two bulk carriers outbound on March 4) have been observed.[1][2] Over 150 oil tankers and LNG vessels are anchored inside the Persian Gulf, unable to exit unimpeded.[11]

Key factors sustaining the halt include: Iranian IRGC VHF warnings to ships, drone/missile strikes on at least four tankers and a container vessel (now abandoned in the strait), withdrawal of war risk insurance by seven major P&I clubs, and suspensions by carriers like Maersk, Hapag-Lloyd, MSC, and others.[2][12] Qatar, responsible for ~20% of global LNG exports (all via Hormuz), has halted production and shipments.[13] No major news outlets report any resumption or unimpeded LNG carrier transits as of today.

Impacts and Data

• Traffic Statistics (Recent): Pre-conflict (Feb 27): >100 vessels/day. Feb 28: Heavy outgoing, light incoming. March 1-2: 60-70% drop, 72 vessels (mostly pre-suspension). March 3-4: Down 94-95%, <10 vessels total, zero LNG/crude. March 5: Near standstill confirmed.[1][14]
• LNG-Specific: Nine+ LNG carriers diverted course early March; Qatar LNG flows at risk, contributing to gas price spikes in Europe/Asia.[15][16]
• Economic Signals: Oil up 7%+ to $72/bbl post-attacks; European gas rallied 50%+ before partial pullback.[17][18]

Expert and Official Views

China urging Iran to keep open for its imports; no diplomatic breakthroughs reported.[20]
No authoritative resolution source (e.g., specific tracker) beyond major outlets like Bloomberg/Reuters, which confirm ongoing halt with daily updates through March 5.[1] Recent updates show intensification (e.g., US sub sinking Iranian ship, refinery hits), not movement toward reopening.[21]

Bloomberg commodities experts note US military escorts/convoys needed for resumption, but “won’t fix flows overnight” and could take weeks; no such operations active yet.[19]

US Central Command states strait “not closed” despite Iranian claims, but de facto blockade via insurance/avoidance persists.[13]

GPT Binary response:

Reasoning (Brier-focused)

What “Yes” requires: before May 31, 2026, major news outlets report LNG carriers have resumed (or are continuing) unimpeded transit through the Strait of Hormuz. This is stricter than “a single LNG ship slipped through with AIS off” or “some ships moved under unusual conditions.” The reporting will likely need to describe a meaningful resumption of LNG transits.

Current status (as of Mar 5, 2026)

• Multiple major outlets (Bloomberg/Reuters summaries in the research) describe near-standstill traffic and no significant LNG tanker transits since late Feb.
• Key bottleneck is war-risk insurance withdrawal / pricing plus active strike risk; escorts are discussed but not yet clearly operational at scale.
• LNG is especially exposed: Qatar routes nearly all LNG via Hormuz and is reported halting production/shipments; LNG carriers are also higher-value, higher-profile, and potentially more risk-averse.

Forces pushing toward reopening before end of May (bullish for “Yes”)

1. Extreme economic pressure (global LNG supply shock; charter rates exploding; 450+ ships piling up; incentives to restore flow).
2. Military/coalition capability: the US Navy is preparing escorts; historically, escorted transits can restart shipping even amid ongoing conflict.
3. Time window: ~12 weeks is enough for (a) insurance frameworks to re-price, (b) escorts/convoy procedures to stand up, (c) some LNG liftings to resume if terminals are intact.

Forces pushing against reopening by end of May (bearish for “Yes”)

1. This is an active, high-intensity interstate war context, not just piracy/insurgent harassment. If missiles/drones remain credible in the strait approaches, insurers and operators may hold back longer than markets expect.
2. LNG may lag crude in resumption: even if some tankers move, LNG shipping could remain paused longer due to risk aversion, contractual disruptions, and production shutdown/restart friction.
3. “Unimpeded” threshold risk: if the eventual reality is “limited escorted convoys” or “sporadic transits,” major outlets might not characterize that as “unimpeded.” This wording pushes probability down relative to “any LNG carrier transits.”

Timeline decomposition (to discipline the forecast)

Let (T) be the first widely reported point where LNG transit is described as having resumed unimpeded.

• By Apr 5, 2026 (next ~1 month): ~25%
• Requires quick insurance resolution + escorts + operators willing to send LNG.
• By May 1, 2026: ~40%
• Allows time for initial convoy system + some normalization, but still within a hot phase of conflict.
• By May 31, 2026 (question horizon): ~52%
• Adds another month for de-escalation, deterrence/escorts, insurance adaptation, and LNG production restart.

(For calibration outside the question window: by Jun 30, 2026: ~62%—i.e., I think reopening is more likely than not by early summer, but May 31 is a meaningful constraint.)

Key assumptions & how they could fail

Assumption A: Security conditions become “manageable” for commercial LNG (via de-escalation and/or effective escorts) by late May.

• Failure probability: ~40% (war remains too hot; credible anti-ship strike threat persists).

Assumption B: Insurance and commercial willingness returns enough that major outlets describe LNG transits as effectively normal/unimpeded.

• Failure probability: ~45% (insurers stay withdrawn or terms remain so restrictive that “unimpeded” characterization doesn’t fit).

Assumption C: LNG exporters (notably Qatar) restart shipments in time once passage is possible.

• Failure probability: ~25% (production/logistics/contractual restart lags even after partial reopening).

These are correlated (bad security drives bad insurance and delayed LNG restarts), which is why I avoid pushing the forecast too high even with strong incentives to reopen.

Probability: 52%

The extracted probability is: 52%

GPT Binary response:

Summary of the situation (as of 2026-03-05)

• Major outlets and industry reporting indicate the Strait of Hormuz is effectively closed to commercial energy shipping, with LNG carriers avoiding the route and insurers/p&I clubs pulling or repricing coverage sharply.
• Some sources suggest a possible near-term restart once war-risk insurance is negotiated and naval escort/convoy procedures begin, but other expert commentary flags market optimism as likely premature.
• The resolution standard is not merely “some ship gets through,” but “LNG carriers resume … unimpeded transit” as covered by major news outlets. That likely requires visible, repeatable LNG transits without immediate disruption, not just isolated “dark” passages.

Base rate and incentives

• Incentives to reopen are enormous: Qatar’s LNG exports (a major share of global LNG) depend almost entirely on Hormuz, and price spikes create intense political pressure.
• However, the current driver is not a one-off accident; it is an active war context with demonstrated strike risk, plus an insurance market shutdown—both can persist for months in worst cases.

Key drivers for “Yes” before 2026-05-31

1. Insurance re-availability: If war-risk coverage returns (even at high premia) and chartering resumes, LNG transits can restart quickly.
2. Naval escort/convoy regime: If the US and partners implement escorts that materially reduce incident rates, mainstream outlets will likely describe LNG flows as “resuming,” even if under escort.
3. Economic/political pressure: Sustained LNG outage is hard to tolerate globally; that pressure tends to produce deconfliction channels and operational workarounds.

Key drivers for “No” (stays closed to LNG through May)

1. Escalation / mining / repeated ship strikes: If attacks continue or the strait becomes intermittently lethal, LNG operators (and insurers) may keep a hard stop well past May.
2. “Unimpeded” threshold: A scenario where a few LNG ships transit under exceptional measures, with ongoing disruptions, could fail to be characterized as “unimpeded” by major outlets.
3. Persistent insurer refusal: Even if navies are willing, shipping may remain commercially non-viable without insurance.

Timeline decomposition (my internal benchmarks)

• Probability LNG transit is reported as resumed/unimpeded by end of March: ~30–40% (needs very fast insurance + escort stabilization).
• By end of April: ~50–60% (more time for convoy norms and pricing to settle).
• By May 31: higher than April, but capped by meaningful risk of a long, messy conflict dynamic.

Critical assumptions & how they could be wrong

Assumption: War-risk insurance becomes available again for LNG at workable terms in time.

• Probability this assumption is wrong: ~35%
• If wrong, “Yes” becomes much less likely regardless of naval plans.

Assumption: Security conditions improve enough that major outlets describe LNG flows as “resumed” and effectively unimpeded (even if escorted).

• Probability this assumption is wrong: ~30%
• If wrong, we may see sporadic/exceptional transits that don’t meet the resolution framing.

Assumption: No major escalation (e.g., sustained mining campaign or repeated high-profile LNG strike) that deters LNG through May.

• Probability this assumption is wrong: ~25%
• A single catastrophic LNG incident could freeze flows and insurance for months.

Balancing (a) strong incentives and plausible operational pathways to restart within ~3 months against (b) genuine war/insurance tail risks and a somewhat demanding “unimpeded” criterion, I land moderately above 50% but far from certain.

Probability: 58%

The extracted probability is: 58%

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Anthropic Binary response:

Analysis: Strait of Hormuz LNG Reopening Before May 2026risks of untracked vessel transits and insurance complications;

Current Situation Assessment

As of March 5, 2026, the Strait of Hormuz is effectively closed to commercial LNG traffic due to an active US-Israel-Iran war that began around February 28, 2026. Key facts:

• Traffic has dropped 95%+, with virtually zero LNG carriers or crude tankers transiting
• Over 150 vessels are stranded in the Persian Gulf
• At least four tankers struck by drones/missiles; one container vessel abandoned
• Major P&I clubs have withdrawn war risk insurance
• Qatar (20% of global LNG, all via Hormuz) has halted shipments
• LNG carriers are being rerouted via Panama Canal rather than waiting

Timeline Analysis

The resolution date is May 31, 2026 – approximately 87 days from today. This is a substantial window that provides time for:

• Military escort operations to stabilize
• Insurance frameworks to adapt
• Diplomatic solutions or de-escalation
• The conflict to evolve into a phase permitting transit

Historical Precedents

• 1984-1988 Tanker War: Despite 546 attacks on vessels, traffic continued with convoy operations
• 1956 Suez Crisis: Canal closed ~4 months
• The Strait has never been fully closed for extended periods due to its critical economic importance (20% of global oil, significant LNG)

Key Factor Assessment

Factors Supporting Reopening:

1. Extreme global economic pressure (~$420K/day VLCC rates, energy price shocks)
2. US Navy commitment to escort tankers “as soon as possible”
3. China actively pushing Iran to keep strait open for its imports
4. Historical precedent of convoy solutions during conflicts
5. 87-day window is substantial for adaptation

Factors Against Reopening:

1. Active warfare, not just tensions – ongoing strikes
2. Expert assessment that “market is overly optimistic about resumption”
3. Complete insurance withdrawal, not just premium increases
4. Situation intensifying (US sub sinking Iranian ship, refinery strikes)
5. No diplomatic breakthroughs or ceasefire negotiations reported
6. Resolution requires “unimpeded transit” – convoys may not qualify

Critical Assumptions

War intensity will moderate or accommodate some traffic (Probability of failure: ~40%)

• If warfare intensifies or spreads, reopening becomes unlikely

Insurance/escort solutions will satisfy “unimpeded transit” standard (Probability of failure: ~45%)

• The “unimpeded” language sets a high bar that escorts may not meet

Major powers’ economic interests will drive compromise (Probability of failure: ~35%)

• If Iran maintains closure as leverage, this assumption fails

Probability Estimation by Timeframe

• By mid-March (2 weeks): ~15% – Too soon for systematic solutions
• By early April (1 month): ~30% – Possible if rapid military escort framework established
• By May 31 (3 months): ~55% – Substantial time for adaptation but “unimpeded” is a high bar

Accounting for Biases

• I’m applying downward adjustment for historical overconfidence
• Base rate consideration: Only ~35% of questions resolve positively historically
• Expert skepticism about quick reopening weighs against optimism
• Current trajectory shows intensification, not de-escalation

Probability: 52%
The extracted probability is: 52%

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Anthropic Binary response:

Analysis of Strait of Hormuz Reopening to LNG Traffic

Current Situation Assessment

As of March 5, 2026, the Strait of Hormuz is effectively closed to LNG traffic following the outbreak of a US-Israel-Iran war beginning around February 28, 2026. Key facts:

• Traffic has dropped over 95% with zero LNG carriers or major tankers transiting
• Multiple tankers attacked by drones/missiles; at least one container vessel abandoned
• War risk insurance withdrawn by seven major P&I clubs
• Over 150 oil tankers and LNG vessels stranded in the Persian Gulf
• Qatar (20% of global LNG exports, all via Hormuz) has halted shipments
• The conflict is only in its 5th day with no signs of resolution

Timeline Considerations

From today (March 5) to resolution (May 31): approximately 87 days or nearly 3 months

This is a substantial window for the situation to evolve. Factors affecting timeline:

Factors favoring reopening before May 31:

• Enormous global economic pressure (20% of global oil/LNG flows)
• US Navy committed to escorting tankers
• Insurance sources suggest ships could resume “by end of week” once negotiations complete
• China pressuring Iran to keep strait open
• Historical precedent: strait remained open even during Iran-Iraq war attacks

Factors working against reopening:

• Active war with no signs of de-escalation (actually intensifying per latest reports)
• “Unimpeded transit” is a high bar requiring essentially peacetime conditions
• Expert assessment that “market is overly optimistic about resumption”
• Bloomberg experts note convoys “won’t fix flows overnight” and could take weeks
• Insurance markets extremely reluctant in active conflict zones

Historical Base Rates

• Regional Middle East conflicts rarely resolve within weeks
• However, limited military operations (e.g., 1998 Desert Fox, 2020 Soleimani strike) can de-escalate relatively quickly
• Major shipping chokepoint crises (Suez 1956, 1967, 1973) varied widely in duration

Key Assumptions and Failure Probabilities

Assumption: The conflict will continue at current intensity for months

• Failure probability: ~35%
• International economic pressure is intense; diplomatic efforts ongoing

Assumption: “Unimpeded” requires full normalization, not just convoy traffic

• Failure probability: ~25%
• Resolution criteria says “resume or continue unimpeded transit” – if convoys count, probability increases

Assumption: Expert skepticism about quick reopening is accurate

• Failure probability: ~30%
• Markets sometimes see developments faster than experts predict

Probability Calculation

Scenario Analysis:

Scenario	Probability	P(Reopen in scenario)	Contribution
Rapid de-escalation (within 3-4 weeks)	15%	85%	12.8%
Moderate de-escalation (1-2 months)	30%	60%	18.0%
Prolonged stalemate	35%	35%	12.3%
Major escalation	20%	5%	1.0%
Total			44.1%

Considerations for Calibration

• Expert skepticism (“overly optimistic”) suggests I should weight more conservatively
• 87 days is substantial time for change, but also substantial time for conflict to entrench
• The “unimpeded” criterion sets a high bar
• My historical tendency toward overconfidence suggests I should adjust downward slightly

Given the genuine uncertainty of an ongoing active conflict, the conflicting signals (strong incentives to reopen versus ongoing military action), and the high bar set by “unimpeded transit,” I estimate:

Probability: 45%
The extracted probability is: 45%

GPT Binary response:

Reasoning rationale

What “Yes” requires. The strait must reopen to LNG traffic with LNG carriers “resume or continue unimpeded transit” before May 31, 2026, and this has to be reported by major news outlets. That’s stricter than “a few ships sneak through with AIS off” or “one-off escorted passage that still looks like an exceptional/high-friction operation.”

Current state (high weight, very recent). As of Mar 4–5, multiple major-outlet and industry summaries describe a near standstill: traffic down ~95%, no significant LNG/crude transits, insurers withdrawing war-risk cover, ships piling up, and at least several attacks/abandonment incidents. That is consistent with a de facto closure for LNG right now.

Forces pushing toward reopening (push probability up).

• Strong economic pressure: Qatar’s LNG dependence on Hormuz makes prolonged shutdown extremely costly globally; charter rates and price spikes create incentives to restart.
• Operational pathway exists: A credible mechanism is naval escort/convoy plus some insurance solution. Several sources indicate the US Navy is preparing to escort, and some shipping/insurance participants expect movement after contract negotiations.
• Time available: ~3 months is long enough for “shock closure → convoy regime → partial normalization,” even if reopening isn’t immediate.

Forces pushing toward continued closure (push probability down).

• War context + repeated attacks: This isn’t a single isolated incident; it’s an ongoing US/Israel–Iran war environment. If strikes continue, shippers may keep avoiding the strait regardless of escort plans.
• Insurance is a gating factor: P&I/war-risk capacity withdrawal can keep LNG flows stopped even if the waterway is physically passable.
• “Unimpeded” threshold risk: Even if convoys start, major outlets may still describe passage as risky, limited, delayed, or disrupted—i.e., not “unimpeded.” That interpretation risk matters for Brier scoring.

Timeline sketch (to discipline the forecast)

• By Apr 5, 2026 (≈1 month): I put this at ~30% for “major-outlet-reported LNG carriers resuming unimpeded transit,” because it requires a fast insurance + security fix during an active war.
• By May 31, 2026 (≈3 months, the question): The probability rises meaningfully because escorted operations and negotiated coverage can emerge over weeks, but the conflict could also persist or escalate.
• By Mar 2027 (≈1 year): I’d expect a much higher likelihood (~70%) that LNG traffic has resumed, because chokepoint closures at this scale are historically difficult to sustain for a full year without some accommodation or enforced corridor.

Key crux assumptions (and chance they’re wrong)

A workable security regime (escorts/convoys + deconfliction) is implemented in time

• Chance this assumption fails: ~55% (war stays too hot; mining/strike risk remains intolerable).

Insurance markets re-open enough for commercial LNG voyages (not just “dark” transits)

• Chance this assumption fails: ~45% (P&I/war-risk terms remain unavailable or prohibitively restrictive through May).

Resolution interpretation: escorted, scheduled LNG passages are treated as “unimpeded” by major outlets

• Chance this assumption fails: ~25% (media frames early passages as exceptional/disrupted, preventing a clean “Yes”).

Balancing (a) strong global pressure and feasible escort/insurance solutions against (b) the severity of the war and the “unimpeded” wording, I land below 50% but not extremely low given the three-month window.

Probability: 45%

The extracted probability is: 45%

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Anthropic Binary response:

Analysis: Strait of Hormuz Reopening to LNG Traffic

Current Situation Assessment

As of March 5, 2026, the Strait of Hormuz is effectively closed to commercial LNG traffic due to an active US-Israel-Iran war that began around February 28, 2026. Key facts:

• Traffic drop: Over 95% decline, with zero LNG carriers or crude tankers transiting since late February
• Physical threats: Multiple tankers struck by drones/missiles; IRGC issuing radio warnings
• Insurance withdrawal: Seven major P&I clubs have withdrawn war risk coverage
• Shipping suspensions: Maersk, Hapag-Lloyd, MSC, and others have halted operations
• 150+ vessels stranded: Both LNG and oil tankers anchored inside the Persian Gulf
• Qatar impact: Nearly all of Qatar’s LNG exports (20% of global supply) flow through Hormuz and are halted
• Current trajectory: Escalation continuing (US sub sinking Iranian ship, refinery strikes)

Timeline Analysis (87 days until May 31, 2026)

Scenario Probabilities:

Scenario	Description	Likelihood
Quick resolution (2-3 weeks)	Ceasefire + insurance restored	~15%
Moderate timeline (1-2 months)	De-escalation + escort convoys	~25%
Extended conflict (3+ months)	War continues through May	~40%
Partial reopening (before May 31)	Some LNG transits resume with escorts	~50%

Critical Assumptions to Challenge

War de-escalation within 3 months

• Historical precedent: Modern US military engagements vary widely in duration
• Current signals: Escalation, not de-escalation
• Probability of assumption failure: ~40%

Unimpeded” threshold achievable

• Resolution requires “unimpeded transit” per major news outlets
• Escorted convoys may not qualify as “unimpeded”
• Insurance premiums of 1-3% still constitute impediment for commercial operations
• Probability of assumption failure: ~30%

LNG carriers will attempt Hormuz transit

• Industry currently prioritizing Panama Canal routing
• High-value LNG carriers may be last to return
• Probability of assumption failure: ~25%

Factors Favoring Reopening Before May 31

• 87-day window is substantial
• Enormous economic pressure (20% global oil, significant LNG)
• US Navy commitment to escort tankers
• China actively pressuring Iran to keep strait open
• Elevated shipping rates ($420K+/day for VLCCs) incentivize return

Factors Against Reopening Before May 31

• Active war is only 5 days old with escalation ongoing
• Expert skepticism that “market is overly optimistic”
• Insurance restoration typically lags military security improvements
• “Unimpeded” is a stringent standard
• LNG carriers being rerouted rather than queued for Hormuz
• Historical tanker wars lasted years (1984-1988 precedent)

Probability at Different Timeframes

• By March 19 (2 weeks): ~12%
• By April 5 (1 month): ~22%
• By May 5 (2 months): ~35%
• By May 31 (resolution date): ~42%

Calculation

Combining probabilities:

• P(war significantly de-escalates by May 31) ≈ 55-60%
• P(LNG traffic resumes if de-escalation | “unimpeded” standard met) ≈ 65-70%
• Combined: 0.57 × 0.67 ≈ 38%

Adjusting for:

• 87-day window allows for significant change
• Strong economic incentives
• Historical overconfidence correction
• Current escalation trajectory

Probability: 40%
The extracted probability is: 40%

Gemini Binary response:

Forecasting Rationale

Initial Assessment & Core Conflict:
The central issue is a de facto blockade of the Strait of Hormuz, a critical global energy chokepoint, resulting from a hot war involving Iran, the United States, and Israel that began around the end of February 2026. As of March 5, 2026, commercial traffic, especially LNG and oil tankers, has plummeted by over 95%. This is not due to a formal declaration of closure, but rather a combination of direct military threats from Iran’s IRGC, attacks on vessels, and the subsequent withdrawal of war risk insurance coverage by major firms. The resolution question hinges on whether this situation can be reversed to allow for “unimpeded” LNG transit before May 31, 2026, a timeframe of just under three months.

Key Factors Influencing the Forecast:

1. Military and Security Dynamics (Negative Indicator): The conflict is currently escalating, not de-escalating. Recent reports mention a container ship being attacked and abandoned, and a US submarine engaging an Iranian vessel. While the US Navy has committed to organizing escorts “as soon as possible,” establishing a secure convoy system that can offer a near-100% guarantee against sophisticated attacks from a state actor (using drones, missiles, fast boats, or mines) is a formidable challenge. The term “unimpeded transit” in the resolution criteria suggests a stable and regular flow, which will be hard to achieve if transits are high-stakes military operations. The failure or slow implementation of a credible security solution is the most significant barrier to a ‘Yes’ resolution.
2. Economic and Diplomatic Pressure (Positive Indicator): The economic pressure for reopening is immense. The strait is the conduit for nearly all of Qatar’s LNG exports (~20% of the global market) and about 20% of global oil. Qatar has already reportedly halted production, a move with severe economic consequences that underscores their lack of faith in a quick resolution but also increases their desperation for one. Elevated energy prices are rattling global markets. This intense economic pain creates a powerful incentive for a resolution. Diplomatic pressure from all sides, including major importers like China, will be relentless.
3. Insurance and Commercial Viability (Contingent Indicator): The immediate cause of the traffic halt is the withdrawal of insurance. Resumption of traffic is contingent on P&I clubs being willing to write policies again. This will only happen if they believe the risk has been mitigated to a manageable level, likely through robust military escorts. While some early reports mentioned negotiations, the most recent information indicates a hard stop from insurers. If security can be credibly guaranteed, insurance will likely follow, but the bar for “credible” in an active warzone is extremely high.

Scenario Analysis & Probabilities:

To structure the forecast, I will consider three primary scenarios within the ~12-week resolution window.

• Scenario 1: Rapid Resolution (Reopening by early April 2026). This would involve a swift and effective deployment of a US-led naval escort system that deters Iran, or a sudden de-escalation of the conflict. Given the current trend of military escalation, this scenario appears increasingly unlikely. Probability: 15%.
• Scenario 2: Protracted Struggle with Eventual Reopening (Reopening between mid-April and May 31, 2026). This is the most plausible path to a ‘Yes’ vote. In this scenario, the conflict does not end but stabilizes. After several weeks of disruption and extreme economic pressure, a functional, if tense, convoy system is established. Insurers, facing pressure and seeing a working model, begin offering coverage at very high premiums, and a trickle of LNG traffic resumes, which grows into a steady-enough flow to meet the resolution criteria. Probability: 25%.
• Scenario 3: Sustained Closure (No reopening by May 31, 2026). This is the default outcome if the current trajectory holds. The war continues to escalate, making the strait an active and unpredictable combat zone. The US escort system proves either too risky, too slow to implement, or insufficient to restore commercial confidence. Iran may resort to more drastic measures like mining the strait. The de facto blockade holds for the duration. This appears to be the most likely scenario based on the evidence from March 4-5. Probability: 60%.

Conclusion:
Summing the probabilities for the first two scenarios gives the final forecast. The situation is highly volatile, but the observable evidence points toward an intensifying conflict where the risks are currently outweighing the incentives for commercial shippers to transit the strait. While the economic pressure to reopen is enormous, the military and insurance hurdles to establishing “unimpeded transit” are severe and unlikely to be fully overcome within the relatively short ~85-day window. The path to a ‘No’ resolution requires only the continuation of the present state, whereas a ‘Yes’ requires a significant and successful intervention to reverse the trend.

Probability: 40%

The extracted probability is: 40%

All predictions: [40, 40, 45, 45, 52, 52, 58]
Filtered predictions: [45, 45, 52]

Median reasoning:

Analysis of Strait of Hormuz Reopening to LNG Traffic

Current Situation Assessment

As of March 5, 2026, the Strait of Hormuz is effectively closed to LNG traffic following the outbreak of a US-Israel-Iran war beginning around February 28, 2026. Key facts:

• Traffic has dropped over 95% with zero LNG carriers or major tankers transiting
• Multiple tankers attacked by drones/missiles; at least one container vessel abandoned
• War risk insurance withdrawn by seven major P&I clubs
• Over 150 oil tankers and LNG vessels stranded in the Persian Gulf
• Qatar (20% of global LNG exports, all via Hormuz) has halted shipments
• The conflict is only in its 5th day with no signs of resolution

Timeline Considerations

From today (March 5) to resolution (May 31): approximately 87 days or nearly 3 months

This is a substantial window for the situation to evolve. Factors affecting timeline:

Factors favoring reopening before May 31:

• Enormous global economic pressure (20% of global oil/LNG flows)
• US Navy committed to escorting tankers
• Insurance sources suggest ships could resume “by end of week” once negotiations complete
• China pressuring Iran to keep strait open
• Historical precedent: strait remained open even during Iran-Iraq war attacks

Factors working against reopening:

• Active war with no signs of de-escalation (actually intensifying per latest reports)
• “Unimpeded transit” is a high bar requiring essentially peacetime conditions
• Expert assessment that “market is overly optimistic about resumption”
• Bloomberg experts note convoys “won’t fix flows overnight” and could take weeks
• Insurance markets extremely reluctant in active conflict zones

Historical Base Rates

• Regional Middle East conflicts rarely resolve within weeks
• However, limited military operations (e.g., 1998 Desert Fox, 2020 Soleimani strike) can de-escalate relatively quickly
• Major shipping chokepoint crises (Suez 1956, 1967, 1973) varied widely in duration

Key Assumptions and Failure Probabilities

Assumption: The conflict will continue at current intensity for months

• Failure probability: ~35%
• International economic pressure is intense; diplomatic efforts ongoing

Assumption: “Unimpeded” requires full normalization, not just convoy trafficrisks of untracked vessel transits and insurance complications;

• Failure probability: ~25%
• Resolution criteria says “resume or continue unimpeded transit” – if convoys count, probability increases

Assumption: Expert skepticism about quick reopening is accurate

• Failure probability: ~30%
• Markets sometimes see developments faster than experts predict

Probability Calculation

Scenario Analysis:

Scenario	Probability	P(Reopen in scenario)	Contribution
Rapid de-escalation (within 3-4 weeks)	15%	85%	12.8%
Moderate de-escalation (1-2 months)	30%	60%	18.0%
Prolonged stalemate	35%	35%	12.3%
Major escalation	20%	5%	1.0%
Total			44.1%

Considerations for Calibration

• Expert skepticism (“overly optimistic”) suggests I should weight more conservatively
• 87 days is substantial time for change, but also substantial time for conflict to entrench
• The “unimpeded” criterion sets a high bar
• My historical tendency toward overconfidence suggests I should adjust downward slightly

Given the genuine uncertainty of an ongoing active conflict, the conflicting signals (strong incentives to reopen versus ongoing military action), and the high bar set by “unimpeded transit,” I estimate:

Probability: 45%

=== Forecast Result ===

{
“probability_yes”: 0.4733333333333334,
“probability_yes_per_category”: null,
“continuous_cdf”: null
}

=== Reasoning ===

Analysis of Strait of Hormuz Reopening to LNG Traffic

Current Situation Assessment

As of March 5, 2026, the Strait of Hormuz is effectively closed to LNG traffic following the outbreak of a US-Israel-Iran war beginning around February 28, 2026. Key facts:

• Traffic has dropped over 95% with zero LNG carriers or major tankers transiting
• Multiple tankers attacked by drones/missiles; at least one container vessel abandoned
• War risk insurance withdrawn by seven major P&I clubs
• Over 150 oil tankers and LNG vessels stranded in the Persian Gulf
• Qatar (20% of global LNG exports, all via Hormuz) has halted shipments
• The conflict is only in its 5th day with no signs of resolution

Timeline Considerations

From today (March 5) to resolution (May 31): approximately 87 days or nearly 3 months

This is a substantial window for the situation to evolve. Factors affecting timeline:

Factors favoring reopening before May 31:

• Enormous global economic pressure (20% of global oil/LNG flows)
• US Navy committed to escorting tankers
• Insurance sources suggest ships could resume “by end of week” once negotiations complete
• China pressuring Iran to keep strait open
• Historical precedent: strait remained open even during Iran-Iraq war attacks

Factors working against reopening:

• Active war with no signs of de-escalation (actually intensifying per latest reports)
• “Unimpeded transit” is a high bar requiring essentially peacetime conditions
• Expert assessment that “market is overly optimistic about resumption”
• Bloomberg experts note convoys “won’t fix flows overnight” and could take weeks
• Insurance markets extremely reluctant in active conflict zones

Historical Base Rates

• Regional Middle East conflicts rarely resolve within weeks
• However, limited military operations (e.g., 1998 Desert Fox, 2020 Soleimani strike) can de-escalate relatively quickly
• Major shipping chokepoint crises (Suez 1956, 1967, 1973) varied widely in duration

Key Assumptions and Failure Probabilities

Assumption: The conflict will continue at current intensity for months

• Failure probability: ~35%
• International economic pressure is intense; diplomatic efforts ongoing

Assumption: “Unimpeded” requires full normalization, not just convoy traffic

• Failure probability: ~25%
• Resolution criteria says “resume or continue unimpeded transit” – if convoys count, probability increases

Assumption: Expert skepticism about quick reopening is accurate

• Failure probability: ~30%
• Markets sometimes see developments faster than experts predict

Probability Calculation

Scenario Analysis:

Scenario	Probability	P(Reopen in scenario)	Contribution
Rapid de-escalation (within 3-4 weeks)	15%	85%	12.8%
Moderate de-escalation (1-2 months)	30%	60%	18.0%
Prolonged stalemate	35%	35%	12.3%
Major escalation	20%	5%	1.0%
Total			44.1%

Considerations for Calibration

• Expert skepticism (“overly optimistic”) suggests I should weight more conservatively
• 87 days is substantial time for change, but also substantial time for conflict to entrench
• The “unimpeded” criterion sets a high bar
• My historical tendency toward overconfidence suggests I should adjust downward slightly

Given the genuine uncertainty of an ongoing active conflict, the conflicting signals (strong incentives to reopen versus ongoing military action), and the high bar set by “unimpeded transit,” I estimate:

Probability: 45%

End