Live prediction market odds for Sofia Costoulas vs. Hanne Vandewinkel. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-03-30
Sofia Costoulas vs. Hanne Vandewinkel — WTA Tennis match scheduled for 2026-03-30. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Sofia Costoulas leads the “Sofia Costoulas vs. Hanne Vandewinkel” event at 28.5% implied probability, followed by Hanne Vandewinkel at 71.5%. A 55.0% cross-platform spread signals an active arbitrage window.
Sofia Costoulas vs. Hanne Vandewinkel is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Sofia Costoulas leads at 29% implied probability, making it the market favorite. Other contenders include Hanne Vandewinkel at 72%.
Sofia Costoulas currently leads at 29% implied probability. Behind Sofia Costoulas, Hanne Vandewinkel at 72% are the next closest contenders. The 55.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Sofia Costoulas: 1¢ on Kalshi, 56¢ on Polymarket. Hanne Vandewinkel: 99¢ on Kalshi, 44¢ on Polymarket. The 55.0% 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 29¢ means the market estimates a 29% probability that Sofia Costoulas will be the outcome. Buying one share at 29¢ pays out $1.00 if correct — a 245% 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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Sofia Costoulas
28.5% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Hanne Vandewinkel wins the Vandewinkel vs Costoulas professional tennis match in the 2026 WTA Bogota Round Of 32 after a ball has been played, then the market resolves to Yes.
The following market refers to the Vandewinkel vs Costoulas professional tennis match in the 2026 WTA Bogota Round Of 32 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 Hanne Vandewinkel and Sofia Costoulas in the Copa Colsanitas, scheduled for March 30 2026. This market will resolve to "Vandewinkel" if Hanne Vandewinkel wins by 2 or more sets than Sofia Costoulas, based on the final completed score. Otherwise, it will resolve to "Costoulas." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official WTA results.
