Samsun: Paul Inchauspe vs Yanki Erel

Platform comparison

Market context

Paul Inchauspe vs Yanki Erel is priced on Polymarket as a **100% YES** contract, so the market is effectively treating Inchauspe as the advance condition with no meaningful bid for the alternative. Because settlement is tied to the tennis outcome, the key on-chain point is simple: holders are trading USDC-settled conditional tokens on Polygon, and the contract resolves either to the named winner or, if the match is not completed under the market rules, to a 50-50 outcome.

The current pricing is hard to reconcile with the pre-match numbers shown by tennis trackers, which had Erel as the higher-ranked player at ATP No. 287 against Inchauspe around No. 679, while third-party projections ranged from roughly 51% to more than 80% for Erel depending on the model and live context. That gap matters for Polymarket users because a 100% print usually reflects either a stale order book, a trading error, or the market already having absorbed the relevant result elsewhere rather than a conventional pre-match view. The pair also had no prior head-to-head record listed, so there was little historical basis for a decisive edge either way.

For traders, the practical catalysts are match status updates and whether the quarter-final was actually played, because the market only settles to a side if one player advances against the other. Tennis platforms listed the fixture for 31 July in Samsun on outdoor hard court, but if the match were postponed beyond the seven-day window, cancelled, or left unresolved by retirement rules, the contract would revert to 50-50 under the stated mechanics. In a live prediction-market setting, the relevant checks are the official draw, any rescheduling notices, and the scoreline or retirement status once play begins.

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Methodology

We track Samsun: Paul Inchauspe vs Yanki Erel across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.