Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Champions League Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Champions League Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Champions League Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Champions League Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Champions League Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Champions League Prediction → |
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 Champions League Prediction.
Active sub-markets
Market context
Bitcoin's price action on 31 May 2025 will be determined by macroeconomic conditions, regulatory developments, and technical levels established over the preceding months. The current 0% probability assigned to this market suggests traders are either uncertain about which price threshold the question specifies, or the settlement criteria remain ambiguous. Bitcoin closed 2024 near $42,000 and has historically demonstrated volatility of 15–25% month-on-month during periods of policy uncertainty or institutional repositioning.
Historical precedent shows Bitcoin's May performance correlates closely with first-quarter earnings seasons and central bank guidance cycles. In May 2021, Bitcoin fell from $58,000 to $30,000 following Chinese regulatory crackdowns and Elon Musk's Tesla reversal on payments acceptance. By contrast, May 2023 saw consolidation around $26,000–$28,000 ahead of the US debt-ceiling negotiations. The absence of a defined price target in this market's framing makes calibration difficult; traders should clarify whether settlement hinges on intraday highs, closing prices, or volume-weighted averages.
Key catalysts through May 2025 include US Federal Reserve policy announcements (typically mid-month), quarterly corporate earnings releases affecting tech and finance sector positioning, and any regulatory filings from spot Bitcoin ETF issuers regarding fund flows. Geopolitical tensions, energy price movements, and statements from major institutional holders such as MicroStrategy or Grayscale can shift sentiment within hours. Monitoring on-chain metrics—particularly exchange inflows and whale wallet movements—will signal whether accumulation or distribution is driving price direction in the final week of May.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- Is this market available outside the US?
- Champions League Prediction 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.
- 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.
- 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 What price will Bitcoin hit on May 31? on Champions League Prediction
Live order book, 0% fees, USDC settlement in seconds.
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