Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
99% | 1% | 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 at noon ET on 28 May 2026 will be recorded via Binance's BTC/USDT 1-minute candle close. The 99% implied probability reflects confidence that Bitcoin will trade above the specified threshold at that precise moment, though the exact price level remains unspecified in this brief. Settlement depends entirely on Binance's data feed, making exchange-specific price action the sole determinant rather than broader market consensus across venues.
Historical precedent suggests that single-candle, time-specific Bitcoin predictions typically resolve affirmatively when thresholds are set conservatively. The 2024–2025 period saw Bitcoin oscillate between $40,000 and $70,000 across major exchanges, with intraday volatility rarely exceeding 5% within a single minute. Kalshi's Bitcoin markets, which operate under US regulatory oversight and require KYC verification, have historically priced similar noon-window bets at tighter odds than Polymarket's decimal format allows, reflecting stricter position limits. Betfair and Smarkets, by contrast, accommodate larger liability exposure and display fractional odds that can diverge significantly from Polymarket's implied probabilities during low-liquidity periods.
Traders monitoring this market should track macroeconomic calendar events in May 2026—particularly US inflation data and Federal Reserve communications—which historically drive intraday Bitcoin swings. Binance's own platform stability and any scheduled maintenance windows near the settlement time merit attention, as technical outages have occasionally delayed candle closure. The fee structures across platforms (Polymarket's 2% settlement fee versus Kalshi's fixed-rate model) will influence whether the 99% probability justifies entry at current odds.
Methodology
This page compares Bitcoin above 2026 on May 28? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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.
- 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.
- 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 above 2026 on May 28? on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
Trade on PolyGram →