Live prediction market odds for Katerina Siniakova vs. Elvina Kalieva. Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-04-22
Katerina Siniakova vs. Elvina Kalieva — WTA Tennis match scheduled for 2026-04-22. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Katerina Siniakova leads the “Katerina Siniakova vs. Elvina Kalieva” event at 65.8% implied probability, followed by Elvina Kalieva at 37.3%. A 14.5% cross-platform spread signals an active arbitrage window.
Katerina Siniakova vs. Elvina Kalieva is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Katerina Siniakova leads at 66% implied probability, making it the market favorite. Other contenders include Elvina Kalieva at 37%.
Katerina Siniakova currently leads at 66% implied probability. Behind Katerina Siniakova, Elvina Kalieva at 37% are the next closest contenders. The 14.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Katerina Siniakova: 73¢ on Kalshi, 59¢ on Polymarket. Elvina Kalieva: 33¢ on Kalshi, 42¢ on Polymarket. The 14.5% spread across platforms highlights where markets disagree — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 66¢ means the market estimates a 66% probability that Katerina Siniakova will be the outcome. Buying one share at 66¢ pays out $1.00 if correct — a 52% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Elvina Kalieva wins the Kalieva vs Siniakova professional tennis match in the 2026 WTA Madrid Round Of 128 after a ball has been played, then the market resolves to Yes.
The following market refers to the Kalieva vs Siniakova professional tennis match in the 2026 WTA Madrid Round Of 128 after a ball has been played. If the match does not occur (signaled by a ball being played) due to a player injury, walkover, forfeiture, or any other cancellation (all before the match starts), the market will resolve to a fair price in accordance with the rules. If this match is postponed or delayed, the market will remain open and close after the rescheduled match has finished (within two weeks).
PolymarketThis market refers to the tennis match between Elvina Kalieva and Katerina Siniakova in the Madrid Open, originally scheduled for April 22, 2026 at 11:30AM ET. This market will resolve to 'Elvina Kalieva' if Elvina Kalieva advances against Katerina Siniakova. This market will resolve to 'Katerina Siniakova' if Katerina Siniakova advances against Elvina Kalieva. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Katerina Siniakova
65.8% avg
