Iran talks stumble as Trump spurns ceasefire offer
Traders cut October odds of Washington lifting its Iran blockade, but still favour an end by December.
In one line: Washington will not announce an end or suspension of its Iran blockade before 31 October; 27% still overrates a quick turn after the rebuff.
Donald Trump spurned Iran's latest offer, beforeitsnews reported on 28 September, cutting the chance of an early agreement. A day earlier the New York Times reported that Abbas Araghchi, Iran's foreign minister, called the rejection of a cease-fire possibly not final, citing contradictory messaging, and said Tehran still awaits an "official" American response.
Traders have cut the odds that Washington announces an end to its naval blockade by 31 October to 27%. That is down 12pp over the 7 days from 39% on 22 September, and down 2.0pp in the last 24 hours. The price touched 48% on 22 September and fell to 25% on 26 September. The other dates in the event climb steadily: 3% by 30 September, 14% by 15 October, 41% by 30 November and 55% by 31 December.
That ladder shows traders reading the rebuff as a delay, not a final answer. Traders still price an announcement by year-end at slightly better than even odds. The October date prices in more hope than the reporting supports. Iran is waiting for a formal reply, not a deal, and Mr Trump's public rejection of the cease-fire offer points away from an October announcement.
The rule pays on a "suspension" as well as an end. Read plainly, that word would cover a pause offered to restart talks, so a formal US reply softer than Mr Trump's words could still bring a Yes. Even so, Washington makes no end or pause official by 31 October, and 27% overrates one; any official US statement ending or suspending the blockade before 11:59pm ET that day proves this wrong. Iranian ships and their customers stay under blockade into November.