Six vessels were attacked in and around the Strait of Hormuz on Sunday, the highest single-day tally of the conflict, according to U.K. Maritime Trade Operations data. One of them was a container ship — the first confirmed box-ship strike in the current wave.

The Cyprus-flagged GFS Galaxy was hit by an unidentified projectile in the early hours of Sunday, according to Cyprus's Deputy Ministry of Shipping. The Omani Navy rescued 23 crew members after they abandoned ship; one engineer remains missing. The vessel is under tow to the Port of Khor Fakkan in the UAE while the search continues.

The weekend onslaught also struck two crude oil tankers — operated by China's New Treasure Shipping and South Korea's Sinokor, per a Financial Times report — and three refined product tankers. India's government named two of the latter: the MT Petro Dolphin, hit by a drone at the Sohar anchorage with two of its 11 crew missing, and the MT Valthera, which caught fire after being struck near the strait, with all 11 crew reported safe. India's foreign ministry called the attacks "deeply concerning" and demanded an immediate end to the Middle East conflict.

What does this change for shippers at tender time?

The escalation lands squarely in the middle of the Asia-Europe tender season, the fourth-quarter window when carriers and shippers hammer out annual contracts that take effect Jan. 1. Spot rates have fallen hard since the post-Hormuz crisis peak in July, as more carriers resumed Red Sea transits.

Mediterranean rates have taken the biggest hit, down 43 percent since July 1 to $4,007 per 40-foot container, according to Xeneta data released Thursday. Cargo to northern Europe is down 34 percent to $3,645 on average. The trans-Pacific posted its first dip since mid-September: Far East-to-U.S. West Coast rates edged down $2 to $8,336 per forty-footer.

"For European shippers, tender season is in full force and falling short-term rates are a welcome development as they negotiate long-term contracts, because they also benchmark against the short-term market," said Peter Sand, Xeneta's chief analyst. "Demand has been very strong all year, not least into Europe, but it could not keep growing at double digits indefinitely. As demand eases from a very high level, the fight for capacity eases too, and even freight forwarders are now getting better deals from carriers in long-term contract negotiations."

In short: buyers hold the benchmark. Whether they hold the leverage is now a risk question.

A darker security backdrop

Twenty-four ships were hit in the two weeks to Sunday, according to FT calculations based on UKMTO reports and European security sources — nearly double the 13 struck during the next most intense period, the first two weeks of March. The International Maritime Organization's verified count, compiled in early October, put seafarer deaths at 24 since the conflict began on Feb. 28, before Sunday's attacks left three more crew missing.

The Institute for the Study of War said Iran "may be developing its anti-ship missile capabilities to improve its ability to target vessels." UKMTO issued fresh warnings Monday that a crude tanker and a product tanker had been struck while transiting the strait.

The attacks are strangling a recovery that had been building for weeks. Gulf oil flows averaged 15.5 million barrels per day in September, the highest since the war began, according to Kpler. Since then, exports have fallen off sharply: just 2.9 million barrels moved through the waterway on Sunday, the lowest October reading, with the seven-day average running about 43 percent below pre-conflict levels. Kpler cautioned the figures could revise upward as satellite tracking catches up.

Capacity rerouted, pricing volatile

Oman's Sohar Port is absorbing more than 180,000 TEUs a week in displaced cargo — still less than half the 423,000 TEUs a week that moved through the UAE's Port of Jebel Ali before the war in Iran started, according to Xeneta's September reliability data.

Oil prices have whipsawed accordingly. Brent crude settled at $106.65 a barrel on Monday, its highest since Sept. 15, then eased roughly 1 percent Tuesday to around $105 as traders weighed the attacks against the prospect of Russian diesel supply. President Donald Trump said Russia had agreed to supply diesel to global markets, and his administration temporarily eased U.S. sanctions on Russian fuel.

For sourcing teams negotiating January contracts this month, the arithmetic is straightforward: falling benchmarks on one side, a chokepoint that has now reached a container ship on the other. The premium, when it reappears, will not announce itself in advance.