Will the Iranian regime fall by June 30?

Platform comparison

Market context

The Islamic Republic of Iran has just secured a fourteen-point Memorandum of Understanding with the United States, formally ending a six-month war that began in late February and stabilising the regime under Supreme Leader Mojtaba Khamenei. This breakthrough, signed by Presidents Trump and Pezeshkian on 17 June, includes the immediate lifting of the US maritime blockade and a permanent cessation of hostilities, effectively cementing the current clerical authority rather than threatening its collapse.

Historical precedents for regime overthrow, such as the 1979 Iranian Revolution or the 2011 Arab Spring, invariably involved sustained internal fragmentation or total external military defeat, neither of which is present here; the recent war concluded with the regime retaining core structures like the IRGC and Guardian Council. Platforms diverge sharply on interpreting this stability: Polymarket displays decimal odds (1.00 for No), whereas Kalshi and Betfair emphasise implied probability (0% Yes), while fee structures and KYC requirements further separate these books, with Kalshi demanding strict identity verification unlike the more accessible Polymarket.

Traders must monitor the 60-day suspension of hostilities mandated by the MOU and any follow-on negotiations regarding Iran’s fissile stockpiles, which began in Switzerland over the weekend. As noted in the ISW Iran Update of 24 June, the regime is leveraging these talks to secure influence around the Strait of Hormuz, suggesting continued consolidation rather than dissolution [7]. The immediate catalyst is the two-month fee waiver on the Persian Gulf Strait Authority, a deliverable that reinforces state control and economic normalisation, making a regime fall by June 2026 statistically negligible.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Will the Iranian regime fall by June 30? 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

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 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?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

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.