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% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 1 O/U 8.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 2 Winner | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 2 O/U 8.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Match O/U 21.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Total Sets: O/U 2.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 1 O/U 9.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Match O/U 22.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Match O/U 23.5 | 100% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka | 0% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 1 Winner | 0% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set Handicap +/-1.5 | 0% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 2 O/U 9.5 | 0% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set Handicap +/-1.5 | 0% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 2 O/U 10.5 | 0% |
| Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka Set 1 O/U 10.5 | 0% |
Market context
The match is scheduled for the Grodzisk Mazowiecki Challenger on outdoor hard courts, with Daniil Glinka far ahead in the rankings at around ATP No. 169 versus Fares Zakaria near ATP No. 517.[1][2] That gap is consistent with the market’s very low 0% implied YES on Zakaria, because tennis contracts on this venue typically price the higher-ranked player as the likelier advance unless there is a clear withdrawal, retirement, or postponement risk.[2][6]
Comparable pre-match pricing also points the same way: one live feed shows Glinka trading at about 84¢ and Zakaria around 19¢, while another modelled probability screen has Glinka at 96.2% to win.[20][6] Zakaria’s recent results have been uneven, with one source noting he has lost 13 of his last 14 matches, whereas Glinka arrives with stronger Challenger-level form and no prior head-to-head between the pair to complicate the read.[3][4]
For the contract mechanics, the main watchpoint is whether the match is actually played and finished before the seven-day delay threshold, because a cancellation, tie, or unresolved delay would settle 50-50 rather than on either player.[The market rules in prompt] The practical catalysts are the order of play, any late withdrawal news, and whether the match starts on time at Central Court; live scoreboards already list it as a 12:00 UTC start on 3 August, so any change in schedule or walkover would matter more than broad BTC or ETH moves unless the event coincides with a wider risk-off move in USDC-linked markets.[1][10][20]
Methodology
This page reads Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
- 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 does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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.
Trade Grodzisk Mazowiecki: Fares Zakaria vs Daniil Glinka on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →