Maritime War-Risk Claims Hit $2 Billion as Gulf and Red Sea Attacks Force Tanker Rerouting
More than 70 ship attacks since the Iran war began have pushed maritime insurers toward $2 billion in claims, with Hormuz traffic still near two-month lows.
Maritime insurers are sitting on roughly $2 billion in war-risk claims from the Gulf and Red Sea conflict zone, a figure that has accumulated across more than 70 attacks recorded since hostilities between the United States and Iran began — and shipping analysts now describe the combined threat environment as the worst safety situation for crude trade since the war started.6
ICE Brent crude front-month was holding at $94.97 per barrel on Friday (2026-09-04), sustained well above pre-war levels even as the immediate Iran-U.S. ceasefire narrative briefly knocked prices lower in late July (2026-07-27). That resilience reflects persistent physical disruption rather than speculative positioning. Traffic at the Strait of Hormuz remains near its lowest level in more than two months, and the Red Sea has opened as a second pressure point.6,5
The Strait of Hormuz disruption followed a familiar early pattern: acute shock, partial resumption, then renewed pressure. After shipping through Hormuz briefly resumed, ICE Brent fell to its lowest level since the day before the Iran war began, with the international benchmark dropping more than 3% and hovering below $74.50 a barrel by mid-June (2026-06-24). That proved short-lived. By late July (2026-07-27), Brent had recovered sharply enough that the month showed a gain of more than 20%, driven by the conflict spreading beyond Hormuz and into the Red Sea.1,5
The Houthi dimension changed the geometry of the risk. In late July (2026-07-22), UK Maritime Trade Operations reported attacks on vessels in the Red Sea, confirmed minutes later by a Houthi statement claiming responsibility for strikes on two oil tankers. The Houthis then escalated further, warning shipping companies against calling at any Saudi Arabian port and threatening vessels with strikes regardless of location. All of Saudi Aramco's roughly 4 million barrels per day of oil exports now pass through routes exposed to that threat.4,3
Aramco appeared to anticipate the escalation. In the days before the Houthi warnings intensified, Saudi Arabia's national oil company shipped record crude volumes from its Red Sea port of Yanbu — a move that reads less like routine scheduling and more like a deliberate front-loading of exports ahead of expected disruption.3
On July (2026-07-21), the Kaifan, an oil products tanker, was attacked in the Strait of Hormuz itself, adding to a sequence of incidents that has progressively emptied the waterway of normal traffic. The Houthis simultaneously threatened to blockade Saudi Arabia in the Red Sea, compounding the geographic scope of the disruption. Security and vessel-tracking analysts told the BBC during the week of August 3 (2026-08-03) that the combined Gulf-Red Sea threat had reached unprecedented severity for the duration of this conflict.2,6
The pause in U.S.-Iran strikes briefly reversed some of the oil price move. When the ceasefire announcement landed on Monday (2026-07-27), Brent slipped below $90 a barrel in early Asian trading, at one point falling as much as 7%, with WTI falling toward the $80-a-barrel level, down around 4%. But prices did not collapse.5
The $2 billion war-risk claims figure is not just an insurance industry problem. War-risk premiums on voyages through the Strait of Hormuz and the Red Sea have repriced the economics of physical crude movement, effectively acting as an informal tax on Gulf barrels reaching Asian and European buyers. Tankers that do transit face higher financing costs and scheduling uncertainty; those that reroute around the Cape of Good Hope face longer voyages and higher fuel burn. Neither option is neutral for delivered crude prices.
DXY was at 99.05 on Friday (2026-09-04), providing no material dollar tailwind to offset Gulf supply concerns. Gold was trading at $4,520.82 per ounce, up 1.19%, consistent with markets continuing to price geopolitical uncertainty into haven assets. JKM Asian LNG front-month was at $24.09 per MMBtu, up 1.39% on Friday (2026-09-04) — a reminder that any prolonged reduction in Gulf crude flows tightens the energy complex broadly, not just the oil market.
The immediate signal to track is whether Houthi attacks on Red Sea shipping intensify following their public threats against Saudi port calls. Aramco's pre-emptive export surge from Yanbu bought some buffer in physical supply terms, but the window that buys is finite. If attacks escalate and Saudi loadings are disrupted, the $2 billion in war-risk claims already on insurer books would be a floor, not a ceiling.3,4