Overnight into Sunday, September 13, an Iranian commercial vessel was struck near Qeshm Island in the Strait of Hormuz, killing one of its ten crew and wounding four, while the UK Maritime Trade Operations Centre reported a separate vessel hit by an unidentified projectile the night before. The violence lands a day ahead of a meeting Iran called in Muscat, Oman for Monday, September 14, on managing shipping traffic through the strait - a meeting Bahrain announced Saturday it will boycott. Polymarket's "Iran-Oman Hormuz Agreement by September 14?" contract has spent the same 48 hours round-tripping between 9.5c and 46c, last trading 34.5c (34c bid, 35c ask) as of 2026-09-13 12:06 UTC.
01The newsA vessel strike and a boycott, a day before the Muscat meeting
Iranian state media said the commercial vessel was struck early Sunday near Qeshm Island, at the strait's narrowest point; one of ten crew died and four were wounded. An Iranian official blamed the "US terrorist enemy" for the attack; the projectile in the separate UKMTO-reported incident has not been identified, and neither strike has been independently attributed by outside investigators.
The strikes land as Iran and Oman are set to meet Monday in Muscat for consultations on safe passage through the strait - reporting ahead of the meeting describes an exchange of views on vessel traffic rather than an expected signed deal. Bahrain's foreign ministry said Saturday it would not attend: regional security "cannot be preserved through a policy of appeasement," and Bahrain will not join any meeting that includes Iran until the two restore the diplomatic relations Bahrain cut in 2016 alongside Saudi Arabia (which itself normalized with Iran in 2023).
Bahrain's absence doesn't mechanically sink Polymarket's contract, though. The market's rules resolve "Yes" only on a diplomatic agreement between Iran and Oman specifically - an instrument both governments accept that establishes traffic corridors, fee policies, or other management terms for the strait. Bahrain was never a required party to it.
02The chartA 28-point round trip that lands back where it started
At 9.5c Friday morning, the contract priced Monday's meeting as a near- certain no-deal. It climbed through Friday night into a 46c intraday high by mid-morning Saturday UTC - the market's most optimistic read on the meeting all week - then gave nearly all of it back, bottoming near an 18c low by Saturday evening as the Bahrain boycott story spread. Sunday's session, overlapping the vessel-strike reports, has ground the price back up: a 24.5c low near 07:00 UTC to the current 34.5c, a ten-point climb in about five hours. Net across the full 24 hours the contract is close to flat - it traded around 34-35c this time Saturday too - despite the 28-point round trip in between.
03What's priced nowA gradual ladder, and a touch thinner than the volume around it
IRAN-OMAN HORMUZ AGREEMENT YES
By September 14 (tomorrow) 34c
By September 21 38c
By September 30 48c
The ladder steps up only gradually across three more weeks of room - 34c for tomorrow's meeting alone, 38c with a week's grace, 48c with the rest of the month - which reads less like the market expects Monday's session itself to produce a deal and more like slow-building odds of eventual "management" language, not a single decisive meeting. The September 14 contract's own book is thin at the touch: 34c bid for just 100 shares against 35c offered for 1,486, a lopsided 1c-wide market against an event that has traded $155,110 over the past 24 hours on $167,036 of resting liquidity elsewhere in the ladder. A touch that thin, next to that much volume moving through the rest of the market, is itself a signal - neither side has enough conviction to size up the very question the meeting is about to answer.
04Watching Monday's meeting liveThe next print lands with the meeting itself
A contract that swings 28 points and lands back close to where it started is exactly the kind of window polymarket-tui is built to sit open through: the order book and the price chart share one screen, so a 1c-wide market going from 9.5c to 46c and back shows up as it happens, not as a headline read after the fact. Monday's Muscat meeting, and whatever Iran and Oman do or don't announce out of it, is the next test of whether this ladder's mid-30s price holds.
$ uv tool install polymarket-tui
$ polymarket-tui
No account is needed to browse markets, books, and charts. The install page has Homebrew and one-liner options.