Bloomfield Hills: Jacob Fearnley vs Tristan Boyer

Platform comparison

Market context

Jacob Fearnley is due to play Tristan Boyer in Bloomfield Hills, and the market is already pricing Fearnley as the clear favourite at 87% implied probability. In tennis markets, that level usually reflects a combination of draw position, ranking gap, and the expectation that the scheduled favourite will actually take the court and progress, rather than a view that the contest itself is settled in advance.

For traders, the key catalyst is simply whether the match starts on schedule and whether either player withdraws, retires, or the event is pushed beyond the seven-day settlement window, because those outcomes can force a 50-50 result under the market rules. With no fresh public update available in the search results, the leaning appears to rest mainly on the original schedule and the assumption that Fearnley remains the side most likely to advance; any late scrape, weather delay, or order-of-play change would matter more here than in a standard completed match.

Methodology

This page tracks Bloomfield Hills: Jacob Fearnley vs Tristan Boyer across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.

Which political events have the biggest volume?

US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.