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 has to finish the settlement window above or below the listed threshold by 04:00 UTC on 23 May, so intraday swings around that level matter more than the day’s close alone. On Polymarket, the contract is priced as an event with implied probability, while Kalshi-style books quote decimal-style yes/no pricing and exchange-style platforms such as Betfair or Smarkets typically show back-and-lay odds with fees that can change the true price paid. That makes direct comparisons awkward: a market showing 0% YES on one venue can still trade thinly elsewhere if the spread is wide or liquidity is shallow.
Recent comparables point to a market stuck in a tight range rather than a clean breakout. 24/7 Wall St. said earlier this month that Bitcoin was likely to trade between $75,000 and $85,000 in May, with $82,228 as the key 200-day moving average; Changelly, Kraken and CoinCheckup all put late-May forecasts in the high-$70,000s to low-$80,000s. Polymarket’s own price-bucket market on the day has been concentrated in the $76,000–$78,000 range, which is consistent with the wider market’s reluctance to price a sharp move. On that basis, any contract struck near the current spot level is heavily dependent on whether Bitcoin can sustain a move through nearby resistance rather than merely spike through it.
The main catalysts are standard crypto-market drivers rather than a single scheduled event: US macro data, Treasury yields, ETF flow headlines, and any overnight move in risk assets can shift Bitcoin quickly before the 04:00 UTC cut-off. For venue comparison, Polymarket offers direct probability pricing and has wider retail reach in many jurisdictions, whereas Kalshi’s regulated framework is US-focused and usually easier to interpret as a binary price; Betfair and Smarkets add more flexible trading mechanics but often at the cost of fees and local access limits.
Methodology
We read What price will Bitcoin hit on May 22? 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
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
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'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 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 What price will Bitcoin hit on May 22? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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