Geneva Open: Stan Wawrinka vs Alex Michelsen

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Active sub-markets

Market context

Alex Michelsen has already won the Geneva round-of-16 match against Stan Wawrinka on 20 May, with ATP reporting Michelsen advancing after two tie-break sets. That makes the live market’s 0% YES price largely a stale reading rather than a view on the tennis itself; the relevant question now is whether the contract settles on the completed result or flips to the fallback 50-50 if the market’s settlement conditions are triggered by a data or timing issue.

For framing, this is similar to other ATP match markets that briefly carry a zero price once the result is effectively known: the market does not usually stay at 0% because of skill, but because the expected winner has already been confirmed by official scoring. Wawrinka’s home event exit also fits the broader pattern of veteran-versus-younger-player matchups on clay where pre-match sentiment can understate the favourite’s consistency once play begins. ATP’s Geneva match page and video highlights both show Michelsen as the winner, which is the key reference point for any settlement check.

The main catalysts to watch are administrative rather than sporting: whether the market has already been updated from ATP results, whether the match completion is recognised cleanly by the exchange, and whether any dispute over an interruption or incomplete scoreline arises before the settlement window closes on 27 May. If there is no settlement issue, the official ATP result should be decisive; if there is a data mismatch, the contract terms push it towards the tie/50-50 outcome rather than leaving it unresolved.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), 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?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.