Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 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.
Active sub-markets
Market context
Bitcoin's price on 24 May 2026 remains unset, with settlement occurring the following day. The 0% crowd probability across Polymarket reflects either extreme confidence in a specific price threshold or sparse liquidity in this particular contract. Kalshi's regulatory framework in the US typically draws tighter KYC requirements than Polymarket's offshore model, which may explain divergent trader participation between platforms. Betfair and Smarkets, operating under UK gambling licences, display decimal odds natively rather than implied probability percentages, making direct comparison across venues require manual conversion—a friction point for cross-platform arbitrage on crypto settlement contracts.
Historical Bitcoin price movements over comparable 18-month windows show volatility clustering around macroeconomic shifts and Federal Reserve policy announcements. The 2023–2024 rally from $16,500 to $73,000 occurred amid easing recession fears and spot ETF approvals; the preceding 2022 collapse saw 65% drawdown following the FTX collapse and rate-hiking cycle. Current positioning suggests traders are either hedging against a specific price band or avoiding this contract due to wide settlement uncertainty.
Catalysts through May 2026 include US inflation data releases (monthly), any major regulatory announcements from the SEC or CFTC regarding spot or derivatives trading, and macroeconomic shifts tied to interest rate expectations. Bitcoin's correlation with equity indices and the US dollar remains material. Fee structures on Kalshi (typically 5% on winnings) versus Polymarket's variable taker fees and Smarkets' commission model will compound returns differently for positions held across the settlement window.
Methodology
We read What price will Bitcoin hit on May 24? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
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
- 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.
- 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.
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