ITF Roehampton: Charles Broom vs Oliver Tarvet

Platform comparison

Market context

The Roehampton ITF men’s event has reached the stage where a head-to-head between Charles Broom and Oliver Tarvet is being priced on match outcome rather than tournament narrative, and the live data points strongly towards **Charles Broom**. TennisTemple shows Broom leading Tarvet 6–3, 6–2 in the final, with live rankings around ATP 289 for Broom and ATP 379 for Tarvet, while the market itself is already sitting at a crowd-implied **100% YES**, which indicates the result is effectively being treated as settled rather than speculative.[4][15]

For framing, the nearest analogue is a market that has moved past the “who is better?” question and into “has the expected winner already been confirmed on court?” In that setting, pre-match H2H or ranking gaps matter less than the live state of play, and the key read-through is that Broom’s shorter odds and higher live ranking are consistent with the current consensus, while Tarvet would need either a completed turnaround or a rare procedural outcome to alter the outcome.[10][15][18]

The main catalyst to watch is whether the match is officially completed and recorded before the settlement window closes, because that determines whether the market resolves to Broom, Tarvet, or reverts to 50-50 under the cancellation and abandonment rules.[13] Flashscore and TennisTemple are the most useful live checks here: both currently list the match in progress, and the decisive variable is whether the final result is posted cleanly rather than the fixture being interrupted or ruled void.[3][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for ITF Roehampton: Charles Broom vs Oliver Tarvet plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

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.

UK Frequently Asked Questions

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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.

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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.

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Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.

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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.

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Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.