Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
79% | 21% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
79% | 21% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 79% |
| October 31 | 66% |
| September 30 | 49% |
| August 31 | 23% |
| August 22 | 12% |
| August 15 | 1% |
| August 14 | 1% |
| July 24 | 0% |
| July 31 | 0% |
| July 14 | 0% |
| August 7 | 0% |
| August 8 | 0% |
| August 9 | 0% |
| August 10 | 0% |
| August 11 | 0% |
| August 12 | 0% |
| August 13 | 0% |
Market context
The real-world event behind this market is whether Washington formally announces that the naval blockade on Iranian shipping has ended after its July 2026 reimposition. The current crowd pricing at 0% YES implies traders expect no fresh US statement lifting the measure before the 31 August 2026 settlement window closes, which is consistent with the market only resolving on a public, official announcement rather than on quieter operational changes.
Comparable episodes matter because the blockade has already been framed in recent weeks as something that can be switched on and off by executive or CENTCOM announcement. Reuters/AP-style coverage is less available here than in normal sanctions markets, but the June ceasefire and reopening reports show how quickly shipping access, sanctions language, and military posture can change when negotiations advance; the July 14 restoration of the blockade then reset the baseline again.[2][12][11] For a trader, the main reference point is not whether vessels are transiting, but whether the US government explicitly says the blockade is terminated, lifted, ended, or suspended.
From a regulatory and access angle, this is the sort of event market that can sit under German GlüStV scrutiny if offered to users in Germany, because even prediction products tied to public events may be treated as gambling-like unless properly authorised. The US CFTC reach is also relevant because event contracts can fall within its enforcement perimeter if available to US persons or structured in a way that implicates commodity-event rules. “No-KYC up to $1,500” generally means a user can access and trade up to that cumulative threshold without identity verification, but it does not change the underlying legal availability of the market by jurisdiction or remove platform controls on higher-volume participation.
Methodology
This overview of US announces end of Iranian blockade by 2026? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Do I need to KYC for Is Kalshi Legit?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- What happens during a tax audit?
- You're responsible for documenting your trades. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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