# US-Iran ceasefire held through October

*World. 75% certain. Wednesday, 4 November 2026*

> Speculative fiction assembled from prediction-market prices. This has not happened.

**The ceasefire lasted through October and senior diplomatic talks stayed stalled.**

The United States and Iran kept their ceasefire in effect through October 31, 2026. The truce survived the entire month despite ongoing tensions. No senior diplomatic meeting between the two sides took place by that date.

Records show the agreement remained active through the end of the month. The arrangement covered all hostilities that might have otherwise escalated. Its persistence meant that the United States avoided a renewal of open conflict during the period.

A senior diplomatic meeting that could have advanced the dialogue was not scheduled before the October deadline. The absence of such a meeting was logged on the same day the ceasefire status was confirmed. This left diplomatic channels without a high-level engagement for the month.

The United States also did not reissue the previously discussed oil-sanction relief for Iran by the October 31 deadline. The sanction regime therefore remained unchanged through the period.

## Analysis

The ceasefire's survival through October provided a temporary buffer against a return to open hostilities, limiting the risk of further incidents in the strategically vital Gulf region. By holding the truce through a month that included the United States' midterm election cycle, the status quo may have eased pressures on policymakers who faced domestic political considerations.

The lack of a senior diplomatic meeting by the end of October signals that high-level dialogue has stalled, reducing the likelihood of rapid progress on broader issues such as nuclear negotiations or regional security arrangements. Without a new diplomatic channel, any future moves toward a comprehensive agreement will likely depend on lower-level contacts or external events to rekindle momentum.

The decision not to reissue oil-sanction relief kept economic constraints on Iran in place, preserving the United States' leverage but also maintaining pressure on Iran's oil revenues.

### Background consulted for the analysis

- [Iran Sanctions - United States Department of State](https://www.state.gov/iran-sanctions)
- [International sanctions against Iran - Wikipedia](https://en.wikipedia.org/wiki/International_sanctions_against_Iran)
- [2026 Strait of Hormuz crisis - Wikipedia](https://en.wikipedia.org/wiki/2026_Strait_of_Hormuz_crisis)
- [United States sanctions against Iran - Wikipedia](https://en.wikipedia.org/wiki/United_States_sanctions_against_Iran)

## What this was built from

- **US x Iran ceasefire continues through October 31?**: Yes, 90%; settles Saturday, 31 October 2026 (polymarket). [Market](https://polymarket.com/event/us-iran-ceasefire-continues-throughptptpt)
- **Next US-Iran senior diplomatic meeting by October 31, 2026? (copy)**: No, 87%; settles Saturday, 31 October 2026 (polymarket). [Market](https://polymarket.com/event/next-us-iran-senior-diplomatic-meeting-byptptpt)
- **US-Iran ceasefire continues through the midterms?**: Yes, 75%; settles Wednesday, 4 November 2026 (polymarket). [Market](https://polymarket.com/event/us-iran-ceasefire-continues-through-the-midterms)
- **US reissues Iran oil sanction relief by October 31?**: No, 93%; settles Sunday, 1 November 2026 (polymarket). [Market](https://polymarket.com/event/us-reissues-iran-oil-sales-sanction-relief-byptptpt-20260708142359046)