Geneva Open: Cameron Norrie vs Mariano Navone

Platform comparison

Active sub-markets

Market context

Polymarket is pricing Cameron Norrie’s advance at 0% YES, with the contract sitting on the Polygon chain and settling through conditional tokens in USDC. The underlying event is the Geneva Open match between Norrie and Mariano Navone, originally scheduled for 20 May; the market only resolves once one player is confirmed through or, if the match is abandoned under the stated rules, reverts to 50-50. For a user holding the contract, the key point is that the price reflects the platform’s view of the path to a completed winner, not the broader form discussion around either player.

Comparable ATP Geneva previews have not been unanimous: recent bookmaker and model views have split, with some outlets leaning to Navone and others rating the match close to even. That is useful context because a 0% YES price is far more extreme than the cited pre-match odds, which clustered around a narrow Navone edge rather than a foregone conclusion. In practice, on-chain pricing can stay detached from headline odds when liquidity is thin, so the contract should be read as a market statement about executable flow rather than a consensus forecast of the tennis itself.

For traders, the immediate catalysts are match confirmation, any revised order of play, and whether the tie starts and finishes inside the settlement window. A delay, postponement, or retirement scenario matters because the market rules distinguish between a completed advance and a match that never gets a decisive result. The most relevant external reference point is the Geneva Open’s own draw and schedule updates, alongside live match reports such as those carried by recent preview coverage from Tennis Tonic and other tennis news desks.

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

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.

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.

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.