Geneva Open: Alexei Popyrin vs Casper Ruud

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Active sub-markets

Market context

Polymarket is pricing Alexei Popyrin v Casper Ruud at 55% YES today, with USDC locked into Polygon-based conditional tokens that will settle on which player advances in Geneva. Ruud has already moved through the early rounds in good shape, beating Raphael Collignon 7-6(2), 6-2, while Popyrin arrives off a harder route after surviving Clement Tabur in three sets and then upsetting Taylor Fritz in Geneva, according to ATP reporting. That leaves the contract close to a coin-flip, but with a modest edge for Ruud rather than a strong market view either way.

The 55% level fits a match-up where clay results and recent match load matter more than raw ranking alone. Ruud has the cleaner longer-run profile on the surface, and ATP Tour noted he has won seven of his past eight matches in Geneva, which is one reason traders have kept him ahead despite Popyrin’s upset potential. Comparable quarter-final markets in ATP 250 events often tighten when one player has already spent more time on court; that is relevant here because Popyrin’s route included a three-setter before facing Fritz, while Ruud’s wins have been more controlled.

For traders, the main catalysts are the official order of play, any fitness update after Tuesday and Wednesday’s matches, and whether the fixture begins as scheduled rather than drifting into a late delay. ATP’s Geneva coverage is the key source for confirmation, and if either player withdraws or the match is interrupted without a completed winner, the contract mechanics matter: unresolved cases can fall back to the market’s 50-50 settlement rule. If the match is played and finished, the token resolves to the player who advances.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Geneva Open: Alexei Popyrin vs Casper Ruud across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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'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 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.