Canadian Open: Juan Manuel Cerundolo vs Hamad Medjedovic

Platform comparison

Market context

Polymarket is pricing this contract at **100% YES**, so the market is effectively saying Hamad Medjedovic advances as the overwhelmingly expected outcome. On Polymarket, each side of the event is represented by **conditional tokens** settled in **USDC** on **Polygon**, with the contract resolving to one of the named players if the match is completed, or to **50-50** if it is cancelled, tied, or left without a winner beyond the seven-day window.

That price sits against a head-to-head record that has been one-sided for Medjedovic. Public match databases list him ahead in the pair’s meetings, with Cerundolo yet to beat him in their completed encounters, including a straight-sets win for Medjedovic at Roland Garros in 2025 and an earlier clay match in 2023.[1][13] For market users, that historical edge matters more than the raw 100% print: in practice, it can reflect thin liquidity, a late-stage information cascade, or simply a contract trading near certainty rather than a literal guarantee.

The main catalyst to watch is whether the Canadian Open schedule holds and whether the match is actually played within the settlement window, because a no-contest outcome or a delay beyond seven days would flip the market to 50-50 under the rules. Traders should also watch for official tournament order-of-play updates, withdrawals, and any weather or scheduling disruption, since those are the variables that can matter more than pre-match form once a contract is already pinned at the top of the range. The pair’s recent head-to-head results and Medjedovic’s stronger record in the matchup are the clearest public anchors for why the market sits where it does.[1][16]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Canadian Open: Juan Manuel Cerundolo vs Hamad Medjedovic across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.