Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 1 O/U 8.5 | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 2 O/U 8.5 | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Match O/U 21.5 | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 1 O/U 9.5 | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 1 O/U 10.5 | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set Handicap +/-1.5 | 100% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 1 Winner | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Total Sets: O/U 2.5 | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set Handicap +/-1.5 | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 2 Winner | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 2 O/U 9.5 | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Match O/U 22.5 | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Set 2 O/U 10.5 | 0% |
| Plovdiv 2: Hernan Casanova vs Yannick Alexandrescou Match O/U 23.5 | 0% |
Market context
Hernan Casanova is due to play Yannick Alexandrescou in the Plovdiv Challenger, and the market’s 0% YES implies traders are pricing in either a very low chance the match completes with Casanova advancing or, more likely, that the listed contract will not resolve the straightforward way before the settlement window closes. Public scoreboards and draw listings still frame the fixture as a normal round-of-32 meeting, with Casanova a much higher-ranked player than Alexandrescou on the ATP ladder, which is the main sporting reason a Casanova advance is the base case when the match is actually played.[2][4][6][7]
Comparable Challenger markets tend to track two things more than headline rankings: whether the match is merely delayed, and whether the organiser updates the draw cleanly. In this contract, a no-result, tie, or delay beyond seven days forces a 50-50 settlement, so the practical risk is not only an upset but also administrative failure to complete the match in time. That makes the 0% YES reading easier to understand on-chain: if resolution has already been treated as unlikely or ambiguous by market participants, the settlement path can dominate the sporting price, especially when the event timing has already shifted across listings.[4][5][6]
The main catalysts are straightforward: an official start time confirmation, a completed result, or any further postponement from the Plovdiv event feed. Live listings currently show the match under different stated times, which is exactly the sort of schedule drift that can keep a prediction contract pinned near zero even before any balls are struck.[1][3][4][5] For crypto-linked traders, the relevant comparison is with spot USDC liquidity rather than BTC or ETH direction, because the contract settles in stable value terms; unless broader market stress is affecting funding and risk appetite, the decisive driver remains whether the tennis fixture is played and formally recorded before the deadline.[7]
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
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