Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
80% | 20% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
80% | 20% | 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 |
|---|---|
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 1 O/U 8.5 | 80% |
| Canadian Open: Matteo Berrettini vs Mariano Navone | 63% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 1 Winner | 57% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Match O/U 21.5 | 56% |
| Completed Match | 50% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 2 Winner | 50% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 2 O/U 8.5 | 50% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 1 O/U 9.5 | 50% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 2 O/U 9.5 | 50% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 2 O/U 10.5 | 50% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Match O/U 22.5 | 49% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Match O/U 23.5 | 43% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set Handicap +/-1.5 | 41% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Total Sets: O/U 2.5 | 39% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set 1 O/U 10.5 | 32% |
| Canadian Open: Matteo Berrettini vs Mariano Navone Set Handicap +/-1.5 | 23% |
Market context
Matteo Berrettini is the market favourite against Mariano Navone in their Canadian Open first-round meeting, with the crowd pricing Berrettini at 63% and several pre-match books in the same broad range, generally around the mid-60s to low-70s for his win chance. Sportsbook lines have also leaned his way, with Berrettini listed as the moneyline favourite in the market data now circulating ahead of the scheduled August 3 start.[1][3][6]
That probability is consistent with how traders usually read a power-server on hard courts against a clay-leaning grinder: Berrettini’s upside is a shorter, serve-dominant match, while Navone’s path is to extend rallies and force more break-point chances. Comparable pre-match models and odds snapshots have repeatedly made Berrettini the likelier winner, which is why a 63% YES price looks like a modest favourite rather than a runaway.[3][14][15]
For settlement, the key variables are less about in-play momentum than whether the match is actually completed by the 7-day window ending 2026-08-10T14:00:00Z. Any cancellation, no-show, or delay beyond that cut-off without an official winner pushes the contract to 50-50, so traders should watch tournament scheduling updates, court-order announcements, and any injury or withdrawal news right up to first serve. In crypto terms, the payout still settles in USDC, so the live market price can also reflect wider risk appetite in BTC and ETH if that affects book depth or whale positioning across prediction venues.[2][8][11]
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.
- 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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