Halle Open: Frances Tiafoe vs Felix Auger-Aliassime

Platform comparison

Active sub-markets

Market context

Frances Tiafoe and Félix Auger-Aliassime are scheduled to meet in the Halle Open quarter-final, so a prediction market on the winner is effectively asking which player advances. In simple terms, a **YES** share pays out if the named player wins the match, while a **NO** share pays out if he loses; if the match is cancelled, ends without a winner, or is delayed beyond the market’s settlement rules, the market can resolve to 50-50 rather than one side.[1][6]

The current crowd-implied 100% YES price is far more extreme than the on-court evidence. Tennis.com lists Auger-Aliassime as the projected winner with a 60% chance, while head-to-head records show he has won all three previous meetings with Tiafoe, including a straight-sets win in 2022.[1][3][4] That sort of history matters in prediction markets because prices often reflect both form and match-up familiarity, but they can also overshoot when traders expect a specific result to be highly likely.[1][4]

For traders, the main catalysts are straightforward: the official match status, the live schedule, and whether the contest starts and finishes inside the settlement window. Recent coverage and live listings indicate both players have already advanced to this stage in Halle, so the key dependency is whether the quarter-final is actually played and completed rather than postponed or voided.[2][5][7] If the match is moved, shortened, or interrupted, the market rules on non-completion become just as important as the tennis itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Halle Open: Frances Tiafoe vs Felix Auger-Aliassime across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Market UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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?

On Prediction Market UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Prediction Market UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

What does it cost to trade on Prediction Market UK?

Zero. Prediction Market UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK triggers a quick verification flow that finishes in minutes.