Marta Kostyuk vs Sloane Stephens
WTA Tour · Tue, Aug 18, 08:00 a.m.
The market has already made up its mind on Marta Kostyuk v Sloane Stephens in the WTA Tour (Tue, Aug 18, 08:00 a.m.): stripping bookmaker margin out of 10 price feeds gives Marta Kostyuk 85% against 15% for Sloane Stephens.
Fair odds on Marta Kostyuk sit at 1.18; the best available price is 1.13 at Unibet; Sloane Stephens pays up to 7.03 at Pinnacle. Average margin on this match is 5.5% — anything above fair value is worth taking, anything below it is paying the bookmaker's spread.
Watch the move on away: it opened at 5.00 and now trades at 5.75 (+15.0%). Line movement of this size usually means new information or heavy one-sided volume — check the odds table below before locking a price.
Implied probability
Marta Kostyuk 85% Sloane Stephens 15%
1X2 / Moneyline
| Operator | 1 | 2 | |
|---|---|---|---|
| Unibet | 1.13▼0.02 | 5.75▲0.75 | Compare Odds |
| DraftKings | 1.13▼0.03 | 6.24▲0.86 | Compare Odds |
| Pinnacle | 1.13 | 7.03▲0.34 | Compare Odds |
| FanDuel | 1.12▼0.03 | 6.70▲1.00 | Compare Odds |
| Betway | 1.12▼0.03 | 6.00▲0.75 | Compare Odds |
| BetMGM | 1.12▼0.07 | 6.00▲1.40 | Compare Odds |
| BetRivers | 1.12▼0.05 | 6.10▲1.10 | Compare Odds |
| LeoVegas | 1.11▼0.03 | 5.50▲0.50 | Compare Odds |
| 888sport | 1.11▼0.06 | 6.50▲1.50 | Compare Odds |
| Caesars Sportsbook | 1.11 | 6.00 | Compare Odds |