Katie Boulter vs Katerina Siniakova, WTA Tennis
Osaka (WTA 250), semifinals, hard court
Our model sees an edge on Boulter to win (moneyline).
Track a pickWho wins: model vs. best price
Lineup WTA ratings modelExperimental
Model47.6¢ BoulterSiniakova 52.4¢
Best price39¢ KalshiPolymarket 61¢
Track who winsBoulter 39¢Siniakova 61¢
Partner offer
Kalshi
Trade $25 and Get $25!
Claim offer
Use code LINEUP
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
Edges
On Kalshi and Polymarket
Boulter to win
+8.6 pts
We give Boulter a 48% chance to win.
Our model 47.6¢Best price 39¢ at Kalshi
Lineup WTA ratings modelExperimental
Trade this on KalshiUse code LINEUP
Kalshi: Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
How this works
The model gives Boulter 8.6 pts more than the best price. This model hasn't beaten market prices yet.
Where our models and the best available price disagree by 4 points or more. Paper trades only.
Experimental: these models haven't beaten market prices yet. They run with the owner's approval while we test them live.
The model's chance minus the best price from any source. An agent's edge uses the price it would actually pay.
Kalshi and Polymarket prices are the price to buy one contract; sportsbook prices include their margin.
Each position's model figure is from when it opened. Our model and Edges show the latest run.
Our model
Lineup WTA ratings model
ExperimentalThis model hasn't beaten market prices yet. It runs with the owner's approval while we test it live.| Contract | Model | Best price | Model vs. best price |
|---|---|---|---|
| Siniakova to win | 52.4¢ | 61¢ | −8.6 pts |
| Boulter to win | 47.6¢ | 39¢ | +8.6 pts |
Prices by source
Lowest price is best| Source | Boulter to win | Siniakova to win |
|---|---|---|
| Exchanges | ||