Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
3% | 97% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
3% | 97% | 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
| 72,000-74,000 | 3% YES | 97% NO |
| <70,000 | 0% YES | 100% NO |
| 70,000-72,000 | 1% YES | 99% NO |
| >88,000 | 0% YES | 100% NO |
| 74,000-76,000 | 71% YES | 30% NO |
| 76,000-78,000 | 25% YES | 75% NO |
Market context
Bitcoin is trading in a tight, highly technical range heading into the noon ET Binance close on 23 May, with recent price calls clustering around the high-$70,000s to low-$80,000s. CoinCodex currently has BTC around $78,100 for 23 May and $81,737 by 25 May, while 24/7 Wall St. argues the key level is the 200-day moving average at about $82,228, with May likely to stay between $75,000 and $85,000. That puts the present 3% Yes probability well below the sort of move needed to finish above most nearby resistance bands.
For comparison, recent market commentary has treated $80,000 as the near-term ceiling rather than a base case. 24/7 Wall St. notes that Bitcoin has repeatedly failed to close above its 200-day average since October 2025, and says a weekly close through that level would be the first convincing trend reversal signal this year. CoinCodex’s own model is more constructive over several days, but still implies only modest gains into late May, not a large intraday jump. In other words, the market is asking for an unusually clean break in a narrow window, rather than a sustained rally.
The main catalysts before settlement are simple: any fresh move in spot BTC, whether driven by ETF flows, large holder activity, or broader risk sentiment. 24/7 Wall St. highlighted recent whale buying and falling exchange reserves as supportive, but also pointed to Strategy’s buying pace as a variable that could change risk appetite. Traders will also be watching whether Bitcoin can finally hold above $80,000 in the hours before the Binance noon ET candle closes; with the settlement tied to that exact minute, a brief spike is not enough unless it is still there at the close.
Methodology
We track Bitcoin price on May 23? 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.
- 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 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.
- 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.
Trade Bitcoin price on May 23? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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