Israel x Iran permanent peace deal by 2026?

Platform comparison

Active sub-markets

Market context

The underlying reality is that Israel and Iran have maintained no formal diplomatic ties since 1979, and as of mid-2026, the two nations are engaged in an ongoing joint airstrike campaign with the United States, making a permanent peace deal by May 2026 virtually impossible. Historical precedents, such as the recent US–Iran memorandum of understanding signed in June 2026, demonstrate that even when ceasefires occur, they are framed as temporary steps toward final negotiations rather than definitive end-states to hostilities [1][2]. The US–Iran pact explicitly covers an immediate, permanent stop to military operations in Lebanon and includes Israel’s neighbour, yet it remains a memorandum requiring sixty days of further negotiation on sanctions and nuclear programmes before a final deal is approved [1][4]. This pattern suggests that crowd-implied probabilities of 0% correctly reflect the absence of any definitive, lasting agreement explicitly ending military hostilities between Israel and Iran.

Traders should monitor scheduled announcements from the UN Security Council regarding the transition from the interim pact to a final agreement, as well as any shifts in Iran’s stance on retaining uranium enrichment rights, which remains a critical red line [1][4]. Recent reports indicate Iran’s foreign minister has reiterated control over the Strait of Hormuz and shipping decisions, terms likely unacceptable to the US, Israel, and Gulf states, further complicating prospects for a permanent deal [5]. On platforms like Polymarket, implied probability is displayed as a percentage (0% here), whereas Kalshi and Betfair typically show decimal odds, creating divergent risk perceptions for the same event [7]. Fee structures also vary significantly: Polymarket charges no trading fees but imposes withdrawal fees, while Kalshi requires KYC and charges platform fees, influencing liquidity and trader participation on this specific market.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Israel x Iran permanent peace deal by 2026? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.