US-Iran Hormuz Agreement by 2026?

Platform comparison

Market context

Polymarket has this contract at **69% YES**, so the market is pricing a better-than-even chance that an official US-Iran diplomatic instrument on Hormuz traffic lands before the 31 August 2026 deadline. On Polymarket, positions are held in **USDC** on **Polygon**, with outcomes resolved through conditional tokens, so the trade is really about whether a qualifying announcement is made, not whether shipping fully normalises in practice.

The current price sits against a recent pattern of partial deals, technical talks and repeated deadline slips. Reuters reported on 1 July that US-Iran talks in Doha were still focused on implementing a prior framework to restore shipping through the strait, while more recent reporting said Iran’s foreign minister described negotiations with Oman as being in their “final stages”. [1][3][5] That backdrop helps explain why the market is not at 90%: there is already a memorandum-style precedent from June, but the relevant contract here needs a fresh agreement or a clearly qualifying instrument, not just a continuation of talks or a short de-escalation. [8][12][16]

For traders, the key catalysts are official readouts from Washington and Tehran, any Oman- or Qatar-mediated announcement, and whether either side publishes text that explicitly sets out obligations to permit or increase traffic through Hormuz. Reuters noted that the June framework was expected to be followed by technical negotiations, which means headlines around signing ceremonies, cabinet briefings, or foreign-ministry statements can matter more than broad diplomatic rhetoric. [18][1] The contract can still fail if leaders announce progress without the required commitments, or if a deal covers ceasefire and nuclear issues but leaves shipping terms too vague to qualify.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track US-Iran Hormuz Agreement by 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.