Wimbledon WTA: Barbora Krejcikova vs Mirra Andreeva

Platform comparison

Market context

Mirra Andreeva is set to face former champion Barbora Krejcikova in the second round of Wimbledon today, with the match originally scheduled for 08:00 EDT. The crowd-implied probability of 100% YES for Krejcikova advancing appears starkly misaligned with current betting odds and expert previews, which heavily favour the Russian to win in three sets[1][2]. This disconnect suggests the market has not yet adjusted to the real-world assessment that Andreeva, the French Open champion, holds a significant edge despite Krejcikova’s pedigree[2].

Historically, such extreme one-sided probabilities in tennis prediction markets often precede a sharp correction once live action begins or when fresh data contradicts the initial sentiment. Comparable cases show that when a lower-ranked but in-form player like Andreeva faces a veteran champion, the market frequently overreacts to the champion’s name before the match dynamics reveal the true winner[5]. The 100% figure likely reflects a lag in information rather than a genuine consensus on Krejcikova’s superiority, as recent analysis consistently points to Andreeva winning the first set 6-3 and the match overall[1].

Traders should monitor the official start time and any immediate withdrawal announcements, as the market rules state that if the match does not begin, it resolves to a fair price rather than a fixed outcome[3]. Key catalysts include the live score progression, particularly whether Andreeva secures the first set as predicted, and any injury updates that could alter the contest’s trajectory[5]. With Robinhood and Kalshi markets already pricing Andreeva at 64¢ and 37¢ respectively, the 100% YES line is an outlier that demands immediate scrutiny before the ball is played[4][3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.