Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
83% | 17% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
83% | 17% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Market context
Bitcoin's intraday price movement between noon ET on 24 May 2026 and noon ET on 25 May 2026 will determine this market's outcome. The 79% crowd probability favours an upward move across that 24-hour window, reflecting persistent bullish sentiment in spot markets. Resolution hinges on Binance's 1-minute candle closes at those precise timestamps, making execution timing and data feed reliability critical factors for settlement.
Historical volatility patterns suggest single-day directional bias is difficult to predict with high confidence, yet the current odds reflect asymmetric conviction. Bitcoin's daily close-to-close moves have averaged 2–4% in recent years depending on macro conditions and funding environment. When on-ramp friction tightens—delayed SEPA transfers, elevated Klarna withdrawal fees, or USDC liquidity constraints—retail deposit flows compress, which typically dampens intraday momentum. Conversely, periods of frictionless fiat entry correlate with stronger directional conviction in spot books, supporting the elevated YES probability here.
Traders should monitor Federal Reserve communications and Treasury yield movements in the week prior, as these drive macro risk appetite and influence Bitcoin's correlation to equities. Any major exchange outage or custody-related news could disrupt book depth and create slippage at settlement time. Payment rail status—particularly SEPA settlement windows and Klarna's real-time deposit availability—will affect how much fresh capital enters the market on 24–25 May. Binance's own maintenance schedules and any announced API changes should be cross-checked against the resolution window to rule out technical barriers to accurate price capture.
Methodology
We track Bitcoin Up or Down on May 25? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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 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'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 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.
Trade Bitcoin Up or Down on May 25? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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