Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
4% | 96% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
4% | 96% | 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 action during the final week of May 2026 will be shaped by the interplay between spot exchange liquidity, funding rate dynamics, and macro positioning ahead of the settlement window. The 4% implied probability reflects market consensus that a significant move—sufficient to trigger the YES condition—remains unlikely within that narrow five-day band, though the specific price threshold remains material to how traders are calibrating risk.
Historical precedent suggests that late-May volatility in Bitcoin has often coincided with institutional rebalancing cycles and quarterly derivative expiries. The May 2021 correction saw BTC shed 50% over weeks, whilst May 2024 witnessed tighter consolidation around $60,000–$65,000 ranges as spot ETF inflows stabilised demand. Current on-chain metrics from Glassnode show whale accumulation patterns have remained relatively flat through Q2 2026, suggesting large holders are neither aggressively positioning for nor against a breakout during this window.
Traders should monitor funding rates on major exchanges—elevated long positioning would signal vulnerability to liquidation cascades if spot prices compress. Any material announcement regarding US monetary policy, Federal Reserve communications, or large USDC settlement flows could shift leverage ratios sharply. Additionally, the BTC/ETH correlation remains a secondary indicator; if Ethereum experiences significant volatility tied to staking or regulatory developments, Bitcoin's directional bias may follow. Spot volume data from CoinGecko and Santiment will be critical for assessing whether the market has sufficient liquidity to sustain any attempted move beyond the threshold during that specific week.
Methodology
This page reads What price will Bitcoin hit May 25-31? 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
- 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.
- 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.
- 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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Live order book, 0% fees, USDC settlement in seconds.
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