Strait of Hormuz traffic returns to normal by July 31?
I assess a 28% chance that IMF Portwatch will publish a 7-day moving average of Strait of Hormuz transit calls >= 60 on any date through July 31, 2026, reflecting a modestly higher probability than the market-implied ~16% due to the possibility of a rapid rebound but constrained by persistent regional security and logistical frictions.
Analysis
Direct recent IMF Portwatch data was unavailable to fetch for this assessment, so I rely on broad observable patterns: the market price (Yes 16.5%) implies the crowd assigns low odds of a return to a 7-day average >=60 in the remaining ~4 weeks, signaling that traders believe either recent daily counts are well below historical peaks or that current volatility/security conditions will persist. Given the short time window left to reach a 7-day moving average threshold, the odds of a qualifying run are very sensitive to any sudden, sustained uptick in daily transits over the coming days that is both large and persistent enough to lift the 7-day average above 60. One or two isolated high-count days are unlikely to suffice; the needed recovery must be sustained for at least a week and coincide with the last reporting days to qualify within the market window.
Historically, the Strait of Hormuz is a high-traffic chokepoint whose baseline daily transit counts fluctuate with seasonal commercial shipping patterns, oil production/export schedules, and regional geopolitical conditions; absent acute disruptions its multi-day averages often sit in a range where crossing a 60 threshold is plausible but not guaranteed. The critical historical context is that security-driven downturns (attacks on tankers, mine incidents, or escalatory naval activity) can depress transits for weeks-to-months, and conversely, de-escalation and commercial pressure rapidly restore flows because rerouting around other passages is costly and time-consuming for regular tanker trade.
On the geopolitical and commercial side, incentives favor normalization: exporters and charterers prefer the shortest, cheapest routes, and insurance and naval escort arrangements can restore confidence quickly if incidents abate or if multinational maritime security responses deter attackers; this supports a non-negligible chance of a rebound within weeks. Against that, persistent or intensifying security incidents, higher war-risk premiums, or deliberate sanctions/operational restrictions would suppress calls, and such negative shocks can be protracted, making recovery before July 31 less likely.
Balancing these elements and the short calendar, I assign a probability materially above the market-implied 16.5% because structured, resolvable events (e.g., ceasefire, visible decline in attacks, or information showing resumed export schedules) could produce the required sustained uptick quickly; however, the remaining timeframe and the requirement of a 7-day average make this still an underdog outcome, prompting my 28% estimate rather than parity or a near-certainty.
Arguments
For
- Commercial pressure and cost incentives push ship operators to resume the shortest routing through Hormuz as soon as security improves.
- Effective multinational naval escorts or de-escalatory diplomacy could rapidly reduce incidents and restore confidence in days.
- Large exporters can quickly ramp schedule back up, producing a sustained increase in daily transits over a week if political conditions permit.
- IMF Portwatch data revisions within the market timeframe could raise the 7-day moving average retroactively to meet the threshold.
- Seasonal demand or short-notice spikes in shipments could cause a cluster of high-transit days that raise the 7-day average.
Against
- Ongoing or renewed hostile actions (attacks, mines, or missile incidents) would keep transit counts suppressed for weeks.
- High war-risk insurance premiums and shipowner caution can incentivize long-term rerouting, preventing a quick rebound.
- Operational/logistical constraints, such as port congestion or tanker availability, can cap daily calls even after security improves.
- Sanctions, export cuts, or corporate decisions to reduce Gulf loadings would lower the underlying flow of ships regardless of security.
- IMF Portwatch reporting cadence or late data publication could mean a recovery occurs too late to be counted within the market window.
- A recovery consisting of isolated spikes rather than a sustained week of high daily counts will fail to lift the 7-day moving average above 60.
Key drivers
- Magnitude and duration of any de-escalation in maritime attacks or threats in the Persian Gulf region.
- Changes in commercial oil export schedules from Gulf producers that increase or decrease tanker transits through Hormuz.
- War-risk insurance rates and the willingness of shipowners to run the route without expensive rerouting.
- Naval/multinational escort operations and their effectiveness at deterring incidents and restoring confidence.
- Seasonal shipping demand patterns and any port congestion upstream or downstream that affects transit throughput.
- Rapid data revisions or reporting anomalies in IMF Portwatch that could retroactively alter the 7-day average.
Risk factors
- A single acute security incident or series of attacks could suppress transits for multiple weeks, preventing a sustained 7-day average above 60.
- Persistent elevated insurance premiums may cause operators to reroute or reduce sailings, lowering average daily calls.
- Delayed or incomplete reporting from IMF Portwatch could obscure recent recoveries or produce late revisions beyond the market window.
- Systemic reductions in exports (e.g., production cuts, sanctions, or logistical disruptions) would depress baseline transit counts.
- Adverse weather or mechanical disruptions to major tanker fleets could transiently reduce daily arrivals during the critical period.
- Market participants misprice tail risk, leading to crowded short positions that can amplify price moves if a rebound occurs unexpectedly.
Scenarios
Best case
A clear de-escalation occurs within days (e.g., diplomatic breakthrough or significant deterrence against attacks), exporters resume planned sailings, and a sustained run of daily transit counts through mid-to-late July pushes the 7-day moving average above 60 before July 31, producing a Yes resolution.
Most likely
Partial improvement or episodic upticks occur but are not sustained long enough to lift the 7-day average to 60 in the limited remaining window, so Iran/Gulf tensions and commercial frictions keep the average below threshold and the market resolves No.
Worst case
Security incidents intensify or persist, insurance and operational constraints force widespread rerouting or cancellations, daily transits remain depressed through the end of July, and the 7-day moving average never reaches 60, producing a No resolution.
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