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.
Market context
A one-hour BTC/USDT candle on Binance is being judged by whether its close finishes at or above its open. With the crowd assigning 0% to Up, the market is pricing in a down candle, but the contract only needs a flat or higher finish to resolve the other way. That makes intrahour order flow, not the broader day’s trend, the key variable.
Recent context is mixed but bearish in spot terms. Bitcoin was quoted around $75,924 on MetaMask’s live price page on May 22, while Robinhood’s May 22 11am EDT crypto event had BTC levels clustered around the $77,000 area, showing the market has been trading near a tight band rather than trending cleanly. By comparison, Bitcoin was above $110,000 in May 2025 in Oanda’s market history note, so the present level reflects a substantial reset from last year’s highs. In a market like this, a flat or modest bounce can still beat a consensus that has fully leaned down.
For the next print, traders will watch Binance spot tape, derivatives funding, and any sudden change in USDC or BTC exchange balances. If funding stays negative while spot absorbs sell pressure, a short squeeze can lift a one-hour candle even without a wider trend change. Macro still matters at the margin: Bitcoin has traded with risk assets and the dollar at times, while the SEC’s approval of spot bitcoin ETPs in January 2024 remains a structural backdrop for institutional flow. Any fast move in ETH or a broader crypto deleveraging event can spill into BTC within minutes, which is exactly the sort of shift that determines a single hourly close.
Methodology
This page reads Bitcoin Up or Down - May 22, 5PM ET 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 PolyGram, 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 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.
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- 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 Up or Down - May 22, 5PM ET on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →