Bloomfield Hills: Jacob Fearnley vs Tristan Boyer

Platform comparison

Market context

The Bloomfield Hills meeting between Jacob Fearnley and Tristan Boyer has already been priced by the sport as a Fearnley lean, but not one that resembles a 100% proposition. Tennis Explorer’s live market showed average pre-match odds of about 1.51 for Fearnley and 2.35 for Boyer, which implies roughly a 66% chance for Fearnley rather than certainty, while BetClan’s model put Fearnley’s win probability at 69% and also leaned 2-0 to Fearnley[1][3]. That leaves a clear gap between sportsbook-style pricing and the market’s current 100% YES, suggesting the contract is trading on near-certainty despite the underlying tennis data pointing to a competitive favourite, not a foregone conclusion[1][3].

For traders, the key catalyst was whether the scheduled July 23 match actually took place and produced a completed result before the settlement deadline, because once the player advancement is recorded the contract should track that outcome directly[2]. The match is now reported as finished, with 365Scores showing Fearnley beat Boyer 1-0 in Bloomfield Hills[2]. In comparable cases like this, the main risk to a 100% market is not pre-match opinion but event integrity: late withdrawals, postponements, walkovers, or data-feed discrepancies are what can create divergence between prediction markets and bookmaker lines, especially when the crowd has already priced in an outcome before official confirmation[1][2].

Sources: 1 · 2 · 3

Methodology

We track Bloomfield Hills: Jacob Fearnley vs Tristan Boyer 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

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. 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.

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 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.