Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
1% | 99% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
1% | 99% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
Market context
Bitcoin's price action on 27 May 2026 will be determined by spot exchange rates across major venues (Coinbase, Kraken, Bitstamp) during that calendar day, with settlement tied to USDC pairs. The 1% implied probability reflects an expectation that Bitcoin will either remain within a narrow band or that the settlement window's specificity—ending 28 May at 04:00 UTC—creates execution risk for traders betting on precise price levels. Historical volatility in Bitcoin's daily ranges has averaged 3–5% in recent years, though tail moves exceeding 10% occur during macro shocks or major announcements.
Comparable resolution events show that single-day price targets become increasingly difficult to hit as the probability window narrows. When Bitcoin has faced scheduled events—Federal Reserve decisions, major exchange listings, or macroeconomic data releases—intraday swings have often exceeded the range required for low-probability YES outcomes. Funding rates on perpetual futures contracts and whale flow data from on-chain monitors like Glassnode will signal whether large holders are positioning ahead of the date, though such positioning typically reflects longer-term conviction rather than single-day price targets.
Traders should monitor regulatory announcements, spot ETF flows, and any scheduled macroeconomic events in late May 2026. Bitcoin's correlation with risk assets and USD strength remains a material dependency; a significant equity market move or central bank communication could drive the volatility required to test extreme price levels. Exchange liquidity and USDC availability on settlement day will also affect execution, particularly if the target price sits far from prevailing spot rates.
Methodology
This page reads What price will Bitcoin hit on May 27? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- 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 BTC Prediction?
- Zero. BTC Prediction 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.
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Live order book, 0% fees, USDC settlement in seconds.
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