Strait of Hormuz traffic returns to normal by end of June?
I assess a 35% chance that IMF Portwatch's 7-day moving average for Strait of Hormuz arrivals will reach or exceed 60 at least once by June 30, 2026, because a quick, localized rebound is plausible but the short time window and persistent downside risks make recovery unlikely.
Analysis
The market must resolve "Yes" if IMF Portwatch publishes any date through June 30 with a 7-day moving average of Strait of Hormuz transit calls at or above 60; a single qualifying date is sufficient and revisions within the market window count. That asymmetric, single-hit trigger makes short, sharp rebounds more valuable than sustained long-term trends — a short contagious spike in daily arrivals over roughly a week could push the 7-day average over the threshold even if prior months were depressed. Given we are already into June, only a few weeks remain for such a rebound, which reduces the probability compared with a longer horizon.
Operational and demand-side drivers create both upside and downside pressure. Upside comes from seasonal demand shifts into the Northern Hemisphere summer, episodic surges in tanker or LNG call patterns, and any rapid rerouting away from alternative chokepoints back through Hormuz if other routes become constrained; those mechanisms can produce sudden increases in counted "Arrivals of Ships." Downside risk is strong: ongoing security concerns, insurance-driven rerouting, structural reductions in certain tanker flows (including sanctioned or curtailed exports), or a softer global trade environment can keep daily counts below the threshold despite seasonal effects.
Historically the Strait of Hormuz is a high-traffic chokepoint with meaningful day-to-day variability, so spikes are possible; however, the 7-day moving average smooths daily volatility and requires several consecutive higher daily counts to reach the 60 level. Market pricing (Yes ~26.5%) reflects a consensus that a rebound is possible but unlikely; I adjust modestly upward to 35% because a single-week surge, a temporary policy or security de-escalation, or a one-off rerouting event in June could produce the required 7-day average before the month closes. Overall uncertainty is high because I have no fresh official data here and because both geopolitical shocks and commercial shipping adjustments can rapidly change flows within days.
Arguments
For
- The market requires only one date with a 7-day MA >=60, so a concentrated week-long surge can produce a qualifying value quickly.
- Seasonal upticks in energy shipments and general trade in early summer could push daily arrivals higher for several days.
- If other routes (e.g., Red Sea/Suez) become less viable suddenly, rerouted traffic could transiently increase Hormuz transits.
- A localized de-escalation of regional tensions or successful security operations could prompt an abrupt return of previously diverted traffic.
Against
- Persistent security concerns or elevated insurance costs will keep ships routed away from the Strait, lowering arrivals.
- Structural reductions in certain tanker flows or longer-term trade weakness can prevent the consistent daily counts needed for the 7-day MA.
- With only four weeks left, the time window is tight and any rebound must be quick and sustained to overcome the moving-average smoothing.
- Market-implied pricing around 26.5% indicates widespread skepticism and suggests that recent observation trends are below the threshold.
Key drivers
- Seasonal demand and summer shipping patterns that can boost tanker and general-cargo transits through the Gulf in June.
- Large tanker and LNG liftings from Persian Gulf producers which, if scheduled or advanced, would raise daily arrival counts quickly.
- Geopolitical developments in the Gulf and nearby maritime zones that either deter or encourage passage through Hormuz based on perceived risk.
- Insurance rates and war-risk premiums that materially influence carrier routing decisions and can cause ships to avoid or return to the strait.
- Rerouting dynamics at alternate chokepoints (e.g., Suez/Red Sea) that can temporarily divert ships through Hormuz if other routes become more hazardous.
- Operational tempo at Gulf ports (turnaround times, pilot availability, and congestion) which affects apparent daily arrivals reported by Portwatch.
Risk factors
- Sustained security incidents or credible threats near the Strait that deter transits and keep daily counts suppressed.
- Longer-term structural declines in particular cargo classes (notably crude oil exports impacted by sanctions or production cuts) that reduce baseline traffic.
- Persistent high insurance/escorting costs that incentivize alternative routing and suppress Hormuz call counts.
- Global demand softness or supply-chain slowdown that reduces container and dry-bulk voyages passing through the Strait.
- Data/reporting limitations or delays at IMF Portwatch that could obscure a short-lived rebound or postpone publication.
- The 7-day moving average smoothing effect which requires multiple consecutive high-count days, making single-day spikes insufficient.
Scenarios
Best case
A rapid, observable rebound occurs in early- to mid-June driven by a mix of scheduled Gulf loadings, a short-term surge in LNG/tanker movements, or an abrupt rerouting back to Hormuz; seven consecutive higher daily counts lift the 7-day moving average above 60 and IMF Portwatch publishes a qualifying value before June 30.
Most likely
Traffic shows modest improvement relative to recent months but not enough to overcome the 7-day smoothing and the short remaining time window, so arrivals remain below the 60 threshold and the market resolves to No.
Worst case
Security risks, high insurance costs, or continued suppressed export volumes keep daily arrivals depressed for the entire month of June, the 7-day moving average never reaches 60, and the market resolves to No.
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