Geneva Open: Taylor Fritz vs Alexei Popyrin

Platform comparison

Active sub-markets

Market context

Polymarket is pricing the Fritz leg at 0% YES on USDC-settled conditional tokens on Polygon, which usually means the contract has not yet been meaningfully marked up despite the Geneva draw being live. For a straight match-up market, that is a useful reminder to check whether the order book is simply thin rather than confidently bearish. Geneva is an ATP 250 clay event in the final week before Roland Garros, and Taylor Fritz and Alexei Popyrin are both the sort of players whose pricing can move quickly once the schedule, court assignment and any fitness news are confirmed.

Historically, Geneva has produced a fair amount of volatility relative to its category because the field is compact and late withdrawals are common in the lead-in to Paris. The official ATP overview confirms the tournament’s outdoor clay setting and its place in the 17–23 May window, while recent reporting around the event has already highlighted results moving quickly through the draw, including Alexei Popyrin’s upset of Taylor Fritz in the event coverage indexed by TennisUpToDate. In markets like this, a 0% spot can reflect stale pricing, missing liquidity, or an unresolved bracket rather than a hard view on the players’ true chances.

What matters now is whether the ATP publishes a firm order of play and whether either player is confirmed to take the court. The main catalysts are simple: a withdrawal, a walkover, a retirement, or a change to the scheduling that affects whether the match is actually played within the settlement window. If the match starts but is not completed, Polymarket’s conditional token rules determine who advances; if it is not played at all, or slips beyond seven days without a winner, the market can settle 50-50.

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Methodology

This page reviews Geneva Open: Taylor Fritz vs Alexei Popyrin 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

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?

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.

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 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 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.