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% |
| Lincoln: Jack Kennedy vs Anton Shepp Total Sets: O/U 2.5 | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 2 Winner | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 1 O/U 8.5 | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp Match O/U 21.5 | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 1 O/U 9.5 | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp Match O/U 22.5 | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp Match O/U 23.5 | 100% |
| Lincoln: Jack Kennedy vs Anton Shepp | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 1 Winner | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 2 O/U 8.5 | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set Handicap +/-1.5 | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 2 O/U 9.5 | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set Handicap +/-1.5 | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 1 O/U 10.5 | 0% |
| Lincoln: Jack Kennedy vs Anton Shepp Set 2 O/U 10.5 | 0% |
Market context
A tennis match between Jack Kennedy and Anton Shepp is scheduled for 13 July 2026 in Lincoln, with the contest originally set for 11:00 AM ET. The market resolves on 20 July 2026 at 15:00 UTC, allowing a seven-day window for completion. Current pricing reflects zero confidence in Kennedy's advancement, though both players remain active on the professional circuit with varying ranking trajectories and recent form metrics that merit scrutiny before settlement.
Historical precedent for matches between lower-ranked or emerging players shows that markets frequently misprice uncertainty when limited public information exists. ATP Challenger events in secondary markets like Lincoln have produced upsets at rates materially higher than implied by flat zero probabilities, particularly when one player carries momentum from recent qualifying rounds or has favourable surface conditions. The absence of recent head-to-head data between Kennedy and Shepp compounds this pricing gap; traders should examine their respective clay-court records and performance in comparable tournaments from 2025–2026 to calibrate true win probability.
Key catalysts include official confirmation of both players' participation, which typically arrives 48–72 hours before the event, and any withdrawal announcements that would trigger the 50-50 tie resolution. Injury reports and recent match results from the week prior to 13 July will influence late-market repricing. On-chain USDC settlement mechanics mean that any ambiguity around retirement rules—whether a player's withdrawal after the first set counts as advancement for the opponent—should be clarified against ATP rulebooks before the match begins, as such edge cases have historically created settlement disputes on decentralised platforms.
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.
- 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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