Iran agrees to end enrichment of uranium by July 31?

Platform comparison

Market context

Iran would need to make a *public* pledge to end all uranium enrichment before 31 July 2026 for this contract to settle Yes, and the bar is unusually clear: any unilateral announcement or part of a wider deal would count, and even a temporary or time-limited commitment is sufficient under the market rules. That leaves the main question as whether Tehran is willing to cross a long-standing red line. Arms Control Association says Iran’s enrichment limits under the JCPOA expired in October 2025 and the deal’s core 15-year commitments ran to 2031, but Iran has already moved well beyond those limits in recent years.[6][5]

Historically, the market’s 56% crowd-implied probability looks like a bet on diplomacy happening before a formal reversal in Iranian policy. The record points the other way: CFR notes Iran began exceeding stockpile limits in 2019 and later announced it would no longer limit enrichment, while the Arms Control Association says enrichment remains the central sticking point in talks and Iranian officials have treated preserving an enrichment right inside Iran as a red line.[2][4] That helps explain why a Yes outcome would likely require a sharp diplomatic break, not just incremental inspection or sanctions language.

For traders, the key catalysts are the Omani-mediated talks between the U.S. and Iran, any public statement from Iranian leaders, and any shift in the framing of a broader nuclear arrangement. Arms Control Center says five rounds of talks had taken place by June 2025, with enrichment, verification, and stockpile handling still unresolved; it also notes the U.S. has floated a no-enrichment-on-Iranian-soil model, which Tehran has resisted.[4] Analyst consensus, as reflected in those nuclear-watch sources, is more cautious than the market price: there is ongoing diplomacy, but the observable policy baseline still favours continued enrichment rather than an explicit end to it.[2][4][7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Iran agrees to end enrichment of uranium by July 31? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Best Prediction Markets — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

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How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.