Geneva Open: Cameron Norrie vs Mariano Navone

Platform comparison

Active sub-markets

Market context

Polymarket’s contract is effectively priced at 0% YES, so the chain is treating Cameron Norrie advancement as almost impossible for now. On Polygon, buyers are holding conditional tokens settled in USDC, with the market only paying out once the exchange outcome is determined. The underlying match is the Geneva Open round-of-16 meeting between Norrie and Mariano Navone, which was scheduled for 20 May and has already produced conflicting pre-match signals from outside models and sportsbooks.

That near-zero price is out of step with the published match previews, which generally made Navone a narrow favourite rather than a runaway one. Tennis Tonic listed Navone around 1.87 and Norrie 1.93, while Bleacher Nation showed Navone at roughly -150 and Norrie at +115. Dimers called it essentially even, putting both players near 50%, and the ATP live page later recorded Navone winning 6-4, 6-4. In comparable tennis markets, a 0% contract usually reflects either a completed result already embedded in the market, or pricing so extreme that the remaining path to settlement has been effectively exhausted.

For traders, the key items are whether the match result is final and whether any tournament-side correction changes the official advancing player. The settlement rules matter because if the match is not fully completed, or if there is a cancellation, tie, or delay beyond seven days without a winner, the contract can resolve 50-50 instead of to either player. The most relevant live references are the ATP scores feed and any updated Geneva draw or order-of-play notices, rather than pre-match opinion pieces, because those determine whether the contract still has any practical path away from its current 0% YES pricing.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Geneva Open: Cameron Norrie vs Mariano Navone 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

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'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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in 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.