Estoril Open: Stan Wawrinka vs Roman Andres Burruchaga

Platform comparison

Market context

Stan Wawrinka has already played Roman Andres Burruchaga at the Estoril Open, and the Argentine won the first-round match 2-1 after a three-set battle.[1][2] That makes the contract effectively a settled result rather than a live toss-up: the crowd-implied 0% YES is in line with the reported final score, while the original sportsbook pricing had Burruchaga favoured at around -235 against Wawrinka at +180, which pointed to a clear but not overwhelming edge before play.[3][4]

The main comparison point here is not current match uncertainty, but how pre-match pricing and post-result market behaviour can diverge. Analysts and betting previews generally leaned towards Burruchaga, with one preview calling for him to win in three sets, while odds aggregators showed Burruchaga as the shorter-priced side across books.[3][4] Reuters also framed the result as Wawrinka’s final tour-level clay match, which is useful context for reading the market: once a match has been completed and reported, prediction-market prices typically collapse to the confirmed outcome rather than reflecting the earlier consensus.[2]

For traders, the relevant catalysts were the official ATP scheduling, match completion, and any possibility of an abandonment or delay beyond the settlement rules, because those are the only events that could have forced a 50-50 resolution.[1] With published results already showing Burruchaga as the winner, the only meaningful cross-platform divergence now would have been between pre-match sportsbook probabilities and the prediction market’s post-settlement pricing logic, not between competing live opinions on the tennis itself.[1][2][3]

Sources: 1 · 2 · 3 · 4

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

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 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.