Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
Market context
Bitcoin's price at the noon ET candle close on 2 June 2026 will determine this contract's settlement. The market currently prices a 100% probability that BTC/USDT closes above the specified threshold on Binance's 1-minute chart at that precise moment. This extreme confidence reflects either a strike price set well below anticipated spot levels or a technical setup where the barrier has become immaterial to active traders. The resolution hinges entirely on Binance's official BTC/USDT feed—not other venues or trading pairs—making execution risk minimal provided Binance's infrastructure remains operational through the settlement window.
Historical precedent suggests that single-point-in-time Bitcoin price contracts at major exchanges rarely sustain 100% implied probabilities unless the strike sits substantially below fair value or the event date lies within a narrow timeframe where price discovery has already occurred. During 2024's spot ETF approvals and subsequent volatility, comparable noon-close contracts typically saw probabilities drift toward 95–98% only when strikes were positioned 8–12% below prevailing spot prices. The current reading warrants scrutiny of the actual strike level relative to Bitcoin's forward curve and spot-futures basis on Polygon-settled USDC positions.
Traders should monitor macroeconomic calendar events in May 2026—particularly US inflation data and Federal Reserve communications—as these historically drive intraday Bitcoin volatility. Binance's operational status, including any planned maintenance windows near the settlement time, presents a secondary consideration. The specificity of the 12:00 ET noon candle introduces microstructure risk; flash crashes or liquidity gaps at that exact minute could create settlement disputes, though Binance's historical candle integrity has remained robust.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, 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.
- Is this market available outside the US?
- Kalshi UK 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.
- 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 Kalshi UK?
- Zero. Kalshi UK 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.
Trade Bitcoin above 2026 on June 2? on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Trade on Kalshi UK →