Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Legit? Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Legit? → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Legit? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Legit? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Legit? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Legit? → |
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 Polymarket Legit?.
Active sub-markets
Market context
Bitcoin's price action on 28 May 2026 will be determined by spot and futures markets operating across major exchanges including Coinbase, Kraken, and Binance. The Polymarket contract currently shows 0% implied probability, meaning traders are pricing in either extreme confidence that Bitcoin will not reach a specific threshold on that date, or insufficient liquidity to establish a meaningful price discovery mechanism. Settlement occurs the following day, giving a narrow window for price observation across global trading hours.
Historical precedent suggests Bitcoin's daily price volatility has ranged from 2–8% in normal market conditions, though geopolitical events, regulatory announcements, or macroeconomic data releases can trigger larger swings. The 2021–2022 period saw multiple instances where single-day moves exceeded 10%, whilst the 2023–2024 consolidation phase produced tighter ranges. The current 0% probability reading may reflect either that the strike price is positioned far outside realistic trading ranges for that date, or that the contract has attracted minimal trading activity since listing.
Traders monitoring this contract should watch for scheduled US Federal Reserve communications, inflation data releases, and any major cryptocurrency regulatory announcements in the weeks preceding May 2026. Bitcoin's correlation with traditional equity markets has strengthened since 2023, making broader macroeconomic calendar events relevant. On-chain settlement via USDC on Polygon means traders will need sufficient liquidity in the conditional token pair to establish or exit positions, which may constrain trading activity if volume remains low.
Methodology
We track What price will Bitcoin hit on May 28? 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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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 Polymarket Legit??
- Zero. Polymarket Legit? 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Legit? triggers a quick verification flow that finishes in minutes.
Trade What price will Bitcoin hit on May 28? on Polymarket Legit?
Live order book, 0% fees, USDC settlement in seconds.
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