Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 1 Winner | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Match O/U 21.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Total Sets: O/U 2.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 1 O/U 8.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 2 O/U 8.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Match O/U 22.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Match O/U 23.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 2 O/U 9.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 2 O/U 10.5 | 100% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler | 0% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 2 Winner | 0% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set Handicap +/-1.5 | 0% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 1 O/U 9.5 | 0% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set Handicap +/-1.5 | 0% |
| Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler Set 1 O/U 10.5 | 0% |
Market context
Mathys Erhard’s Polymarket contract against Joel Schwaerzler is pricing at **43% YES** on the current crowd view, with settlement tied to whether Erhard advances in the Grodzisk Mazowiecki Challenger on Polygon using USDC and conditional tokens. The listed schedule has the semi-final on outdoor hard courts at Central Court, so the market is really a live read on a single ATP Challenger match rather than a broad tournament storyline.[1][2][14]
That 43% sits below what several tennis preview and odds pages have had for Schwaerzler, which helps explain why the market is not leaning towards Erhard despite his path to the semi-final. Schwaerzler is ranked higher than Erhard in the live match listings, and head-to-head data shown by multiple tennis trackers has Schwaerzler ahead 1-0, including a straight-sets win in Kigali earlier this year.[1][5][8][13] At the same time, this is only one prior meeting, on clay rather than hard court, so the historical sample is thin and should not be overstated.[8]
For traders, the main catalysts are straightforward: whether the match is played on time, whether either player is withdrawn, and whether the result is completed before the seven-day resolution cut-off embedded in the contract terms. The ATP results page and live score feeds are the cleanest sources for start-time changes and completion status, while the match pages show the semi-final is expected to be played on 8 August at 11:00 UTC.[1][12][14] If the match is postponed too long or not completed, Polymarket’s fallback mechanics move the market to 50-50 rather than forcing a winner.[
Methodology
This page reviews Pronóstico: Grodzisk Mazowiecki: Mathys Erhard vs Joel Schwaerzler across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Qué Es, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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