Pronóstico: Mubadala Citi DC Open, Qualification: Andres Martin vs Moez Echargui

Platform comparison

Market context

Polymarket is pricing Andres Martin to advance at **100% YES**, with the contract settled in USDC on Polygon through conditional tokens that pay out on the official match outcome. In practical terms, that leaves very little spread for traders: the market is treating Martin’s progression as effectively certain, even though the contract’s own rules still allow a 50-50 outcome if the match were cancelled, tied, or left unresolved beyond the stated delay window.[2]

The closest historical frame is a live, in-play tennis market with an already completed or near-completed contest, where pricing can snap towards one side once official scoring shows a clear lead. Tennis.com lists this as a qualifying-round match and gives Martin a projected win probability of 59%, which is much less extreme than Polymarket’s current 100% reading, suggesting the on-chain market is either reacting to a stronger event signal or has already incorporated match state more aggressively than the pre-match projection.[1] A trader reading this contract should therefore focus less on baseline player quality and more on whether the official ATP result page confirms a completed advancement, because Polymarket resolves from official ATP information and credible reporting if needed.[2]

The immediate catalysts are straightforward: official match completion, any retirement or disqualification announcement, and whether the ATP or tournament feed confirms a winner before the settlement window closes. Polymarket’s rules say a match that begins but is not completed resolves to the player who advances, while a pre-start walkover resolves to 50-50, so the key question is not just who looked better on court but how the fixture was officially recorded.[2]

Sources: 1 · 2 · 3

Methodology

We track Pronóstico: Mubadala Citi DC Open, Qualification: Andres Martin vs Moez Echargui 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 Polymarket Qué Es. 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.

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.

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.