〔Day Digest〕Mine Strike on 2M-Barrel Supertanker Caps Record 12-Attack Week; Brent Hits $110 Five-Month High as Hormuz Transits Snap Back - Safe-Passage Premium vs Normalized Flow

0. Weekly Arc

The Strait of Hormuz is repricing as a war-risk corridor, not a routine chokepoint. The IMO logged 12 ship attacks in the week of Oct 5-11, the highest weekly tally since the late-February U.S.-Israel-Iran conflict began, with 6 vessels hit in a single day on Oct 11 ^[1]. The IRGC reported a supertanker carrying 2 million barrels of crude exploded after striking a naval mine, and released video of the blast ^[2][3][4]. Yet transit volume had earlier rebounded to a post-conflict high ^[5]. The paradox defines the tape: physical throughput is recovering while the safe-passage premium re-rates.

1. Strait Security Narrative [ESCALATED]

• **[ESCALATED] 2M-barrel supertanker mine strike:** A supertanker carrying more than 2 million barrels of crude hit a naval mine, exploded and caught fire, the IRGC said ^[6][2][3]. The IRGC posted video of the incident ^[4]. Source control: every report traces to the IRGC's own account; no independent verification in the packet.
• **[NEW] MT ST 3 struck, 15 Indian crew:** India's Shipping Minister said on Oct 16 the crude oil tanker MT ST 3, with 15 Indian sailors aboard, was hit by a shell in the Strait of Hormuz ^[7]; New Delhi's claim was relayed by WANA ^[8].
• **[NEW] Singapore-flagged containership sunk:** A Singapore-flagged containership sank in the Strait of Hormuz after an attack, per Global Trade Magazine ^[9]. Single source.
• **[NEW] IMO Secretary General warning:** Arsenio Dominguez said on Oct 16 that transit risk in the Strait and surrounding waters has not declined, urged ships to avoid the waterway, and called on parties to address the root causes of the conflict ^[1][10].

2. Attack Cadence vs Transit Volume [ONGOING]

• **[NEW] Record weekly count:** 12 ship attacks in the week of Oct 5-11, with 6 struck on Oct 11 alone - the highest since the late-February conflict began ^[1].
• **[NEW] Volume paradox:** Strait transits had rebounded to a post-conflict high ^[5], but the freight debate is now insurance and war-risk premium, not throughput ^[5]. NBC frames attacks on ships as having reached record highs with limited U.S. response ^[11]; BusinessToday's regional read is "Shipping Risks Persist" as transits fall ^[12].
• **[NEW] Transit-vs-premium framing:** The decoupling between the recovered physical flow ^[5] and the spike in attack cadence ^[1] is the cleanest evidence that the marginal trade is the safe-passage premium, not the barrel count.

3. Oil Market Read [ESCALATED]

• **[NEW] Brent $110, five-month high:** Brent hit a five-month high of $110 on the new escalation, after Saudi Arabia-led forces intercepted and destroyed missiles aimed at critical energy hubs ^[13].
• **[NEW] Houthi-related pressure (single source):** Houthi claims include 114 dead and 305 injured from Saudi strikes over a month, 3 dead and 9 injured from Saudi cluster-bomb air strikes, and roughly 2,500 Saudi-led-coalition strikes in this round of the conflict ^[7]. Read as Saudi-side energy-infrastructure pressure, not a Hormuz flow figure.
• **[NEW] Bridge to broader war:** A Houthi attack on Aden airport is also in the log ^[7] - the next Saudi-energy-infrastructure datapoint after the Saudi interceptions ^[13].

4. Conflict Backdrop and What Decides Next [ONGOING]

• **[NEW] Trump posture:** President Trump said the U.S. will not deploy ground troops to Iran and will not use nuclear weapons ^[7]. The White House and Qatari mediators are still waiting on Iran's response to a U.S. counter-proposal to end the war; regional mediators are pressing for a reply ^[7].
• **[NEW] U.S. Central Command:** Iran has no maritime import or export trade due to the U.S. Navy blockade ^[7]. This is the most aggressive supply-side claim in the packet; treat as CENTCOM framing.
• **[NEW] Iran infrastructure strikes:** A media investigation found Iran has struck 84 infrastructure sites since the conflict began ^[14].
• **[NEW] Regional moves:** Russian Foreign Minister Lavrov visits Iran on Oct 19 and Bahrain on Oct 18 ^[7]; Korean media report Seoul plans to widen the Cheonghae Unit's operating area to the Gulf of Oman ^[7]; Trump said Israel has been very helpful to Saudi Arabia and the Abraham Accords are again a topic for Riyadh ^[7].
• **[NEW] Russia-Ukraine background (single cluster):** Trump waived multiple Russia sanctions under the Graham Act while Congress weighs a bill to revoke energy-trading licenses and bar future authorizations; Germany pledged €50 million to repair the Chernobyl nuclear plant; Zelensky asked the EU for an additional €70 billion ^[14]. Background, not Hormuz-priced.
• **Falsifiable test:** an independent visual of the mine strike or a confirmed U.S. response would either cap or extend the premium; an Iran reply to the U.S. counter-proposal would be the diplomatic trigger ^[7]. The next two energy-infrastructure datapoints are any further Houthi action on Aden and the next round of Saudi missile interceptions ^[7][13].

Source control: the 2M-barrel mine-strike detail, the Singapore containership sinking, the $110 print, the 12-attack weekly count, and the 84-site infrastructure tally each rest on a narrow source stack - IRGC for the mine, FT for Brent, IMO for the weekly count, a single media investigation for the 84 sites. Quote the band, not a point, where a single source carries a number ^{[6][1][9][13][14]}.