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% |
| Cary: Timo Legout vs Braden Shick Total Sets: O/U 2.5 | 100% |
| Cary: Timo Legout vs Braden Shick Set 1 O/U 8.5 | 100% |
| Cary: Timo Legout vs Braden Shick Match O/U 21.5 | 100% |
| Cary: Timo Legout vs Braden Shick Set 1 Winner | 100% |
| Cary: Timo Legout vs Braden Shick Set 2 O/U 8.5 | 100% |
| Cary: Timo Legout vs Braden Shick Set 1 O/U 9.5 | 100% |
| Cary: Timo Legout vs Braden Shick Match O/U 22.5 | 100% |
| Cary: Timo Legout vs Braden Shick Set 2 O/U 9.5 | 100% |
| Cary: Timo Legout vs Braden Shick Match O/U 23.5 | 100% |
| Cary: Timo Legout vs Braden Shick Set 2 O/U 10.5 | 100% |
| Cary: Timo Legout vs Braden Shick | 0% |
| Cary: Timo Legout vs Braden Shick Set 2 Winner | 0% |
| Cary: Timo Legout vs Braden Shick Set Handicap +/-1.5 | 0% |
| Cary: Timo Legout vs Braden Shick Set Handicap +/-1.5 | 0% |
| Cary: Timo Legout vs Braden Shick Set 1 O/U 10.5 | 0% |
Market context
The underlying event is the ATP Challenger Cary final between Timo Legout and Braden Shick, originally set for 5 July 2026 at 7:30PM ET in Cary, USA. With the crowd-implied probability for Legout advancing at 0%, the market treats his victory as virtually impossible, likely reflecting a walkover, injury, or pre-match withdrawal before a ball was struck. Historical precedents in ATP Challenger events show that when a match fails to start due to player incapacity, prediction markets often resolve to a fair price rather than a binary outcome, as seen in Kalshi’s rules for similar tennis contracts where non-starts trigger fair-value settlements[2].
Traders should monitor official tournament announcements from the Cary Tennis Classic for any updates on player fitness or schedule changes, as these directly determine whether the match proceeds or resolves to a fair price[4]. The settlement mechanism relies on USDC and on-chain verification of match completion, with BTC and ETH macro trends influencing liquidity flows into such prediction contracts; recent whale activity in crypto derivatives suggests heightened sensitivity to sports-event volatility, particularly when funding rates shift sharply ahead of major tournaments[9]. Any delay beyond seven days without a winner will trigger a 50-50 resolution, making timing a critical catalyst for position management.
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.
- 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.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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