Bloomfield Hills: Jacob Fearnley vs Tristan Boyer

Platform comparison

Market context

The match has already been on court and, by the live listings, Jacob Fearnley was the scheduled favourite to advance against Tristan Boyer, with one tracker showing the contest as completed in Fearnley’s favour.[1][2] That leaves the market’s 100% YES price looking like a reflection of a result that has effectively already been absorbed by the scoreboard and live data rather than an unresolved pre-match view.[2]

For context, this kind of market often trades near certainty once a match is underway and one side has visibly advanced, especially in challenger-level events where reporting can lag the actual outcome by a short period.[2][3] Before play, outside prices were already leaning Fearnley’s way, with one prediction model giving him a 69% win chance and a set score lean of 2-0, which is consistent with a market that would have moved quickly if he took the first set.[4]

The main catalyst to watch now is whether the official draw, live score feed, and final result all align before settlement, because that determines whether the market resolves cleanly or needs to fall back on the event rules if there is any data mismatch or abandonment.[2][5] Given the scheduled start was around 15:00 and the reporting now shows a completed result, the key dependency is no longer tennis form but final confirmation that Fearnley advanced and that no administrative issue reclassifies the match.[1][2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, 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?

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