Strait of Hormuz Crisis Briefing - 2026-05-22

Situation snapshot

Three escalations in 24 hours: at dawn the IRGC’s maritime force intercepted another commercial tanker flying the Liberian flag ^[1]; concurrently the US 5th Fleet repositioned a destroyer group east of Bandar Abbas ^[5]. The market-implied probability of a short-duration closure moved from ~12% last weekend to 41% today. Brent settled at USD 94.6 per barrel, up 8.4% on the day ^[2]—the largest single-session move since 2022.

Price reaction

Term structure shows pronounced front-end backwardation; Asian refiners have aggressively front-loaded spot inquiries ^[2]. Bloomberg reports Chinese state-owned refiners have already paused May liftings of Iranian light crude in favour of non-Middle East barrels ^[6]. S&P Global Platts notes Indian refiners began locking in long-haul US and Brazilian cargoes last week ^[9].

Goldman maintains USD 110/bbl as a “soft ceiling” view, citing 4.2 mbpd of unused OPEC+ capacity and untouched SPR levers ^[10]. That aligns with Aramco’s same-day signal that spare capacity is ready to deploy ^[8].

OPEC+ response

An emergency OPEC+ consultation is scheduled ^[3]; analysts expect an announcement within 24 hours. A conditional 500–800 kbpd increase would compress the back end of the curve but would do little to ease front-month backwardation—the worry isn’t capacity, it’s the chokepoint.

Insurance and shipping

Lloyd’s List shows Gulf war-risk premia up 35% week-on-week ^[4]; mid-range tanker hull quotes have, for the first time, exceeded 0.5% AP (roughly USD 600k per voyage at current prices). Multiple owners are now offering “Cape of Good Hope reroute” as a contractual option, adding 9–14 days of transit and approximately USD 1.4M per voyage in bunker cost.

Second-order effects

The Economist’s cascade model suggests that if closure exceeds 14 days, European refinery diesel cracks would breach historical ranges first, propagating into jet fuel ^[7]. The pattern echoes the early-2022 Russia-Ukraine shock, but with a larger multiplier (the strait carries ~30% of seaborne crude).

Watch over the next 24 hours

• Wording of the OPEC+ communiqué—“conditional” vs “unconditional” hike
• Whether Aramco posts a temporary OSP cut for Asia
• Whether the US opens a G7-coordinated SPR release channel
• Whether Chinese refiners also pause June term liftings ^[6]