Estoril Open: Nuno Borges vs Roman Andres Burruchaga

Platform comparison

Market context

Nuno Borges’s meeting with Roman Andres Burruchaga at the Estoril Open has been priced by the crowd at **0% YES**, so the market is effectively treating a Borges advance as dead money unless new information flips the setup. In programme-driven terms, that makes the right-hand side of the order book the useful reference: if your bot is scanning for mispricings, you would normally compare exchange depth against fresh model outputs and pre-match odds rather than assume the current tape reflects the live chance of play or the likely winner.

Comparable previews before the match leaned towards Borges, with independent models and tipsters naming him the favourite and one estimate putting him around 62–69% to win. That framing matters because the market is about **who advances**, not set scoreline, and clay-court matches in ATP 250 events can still swing sharply on serve efficiency, break-point conversion and any fitness edge. A zero price therefore reads more like a market that has already resolved in practice, or one where traders are discounting the outcome due to an off-market factor, than a normal pre-match win line.

The key catalysts are straightforward for a scripted watcher: official order-of-play updates, any walkover or late withdrawal, the actual start time, and whether the match was completed or suspended. Spanish-language reporting on 22 July indicated Borges was already beaten by Burruchaga in three sets, which would point the market towards a Roman Andres Burruchaga resolution if that result is the final official outcome. For a rules-based workflow, the decisive check is the tournament’s verified result feed, then any settlement exception for cancellation, tie or delay beyond seven days.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Estoril Open: Nuno Borges vs Roman Andres Burruchaga 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 Fees. 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 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.

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.