Default modelInterquartile mean (Vetted List)

Ann Li v Donna Vekic

2026-09-02 15:00 UTC — WTA US Open

Head to Head

44 sportsbooks (15 in analysis )

Estimated chance of each outcome, according to the model: Interquartile mean (Vetted List)

Ann Li (Local)

Prediction 55.21%1.81fair odd
EV -3.38%
Edge -1.93%
Kelly -4.50%
Growth +0.000%

assuming max odds 1.75

Bookmakers’ predictions’ distribution
54.55%55.18%55.15%56.43%MIN.MEANMEDIANMAX.
Odds’ distribution
1.621.721.721.7561.73%58.29%58.14%57.14%MIN.MEANMEDIANMAX.

Donna Vekic (Visit)

Prediction 44.79%2.23fair odd
EV -2.37%
Edge -1.09%
Kelly -2.01%
Growth +0.000%

assuming max odds 2.18

Bookmakers’ predictions’ distribution
43.57%44.82%44.85%45.45%MIN.MEANMEDIANMAX.
Odds’ distribution
2.002.102.102.1850.00%47.61%47.62%45.87%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Ann Li (Local): 55.21%; Donna Vekic (Visit): 44.79%. For Donna Vekic (Visit), that estimate is equivalent to fair decimal odds of 2.23. No eligible bookmaker offers odds above that level: the best available odds are 2.18, with an expected value of -2.37%; they do not produce positive expected value.

Sportsbook Odds (44 sportsbooks)

We're not affiliated with any bookmaker, we earn nothing from any action done with them.

BookmakerLocal ▼VisitMarginUpdated
Coolbet🎯1.75I 57.14%NM 55.47%EV -3.38%E -1.93%K -4.50%G +0.000%2.18I 45.87%NM 44.53%EV -2.37%E -1.09%K -2.01%G +0.000%3.0%2026-09-01 06:19
Betway🎯1.75I 57.14%NM 54.55%EV -3.38%E -1.93%K -4.50%G +0.000%2.10I 47.62%NM 45.45%EV -5.95%E -2.83%K -5.41%G +0.000%4.8%2026-09-01 01:10
Unibet (SE)🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Unibet (NL)🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
BetRivers🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Virgin Bet🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Casumo🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Unibet🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
LeoVegas (SE)🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
LiveScore Bet🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
TABtouch🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Grosvenor🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
ATG (SE)🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Svenska Spel🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
Bally Bet🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
betPARX🎯1.74I 57.47%NM 54.69%EV -3.93%E -2.26%K -5.31%G +0.000%2.10I 47.62%NM 45.31%EV -5.95%E -2.83%K -5.41%G +0.000%5.1%2026-09-01 06:45
BoyleSports🎯1.73I 57.80%NM 55.41%EV -4.48%E -2.59%K -6.14%G +0.000%2.15I 46.51%NM 44.59%EV -3.71%E -1.73%K -3.23%G +0.000%4.3%2026-09-01 04:30
betfred_uk🎯1.73I 57.80%NM 54.83%EV -4.48%E -2.59%K -6.14%G +0.000%2.10I 47.62%NM 45.17%EV -5.95%E -2.83%K -5.41%G +0.000%5.4%2026-09-01 00:35
betano_uk🎯1.73I 57.80%NM 54.83%EV -4.48%E -2.59%K -6.14%G +0.000%2.10I 47.62%NM 45.17%EV -5.95%E -2.83%K -5.41%G +0.000%5.4%2026-09-01 02:08
William Hill🎯1.73I 57.80%NM 54.83%EV -4.48%E -2.59%K -6.14%G +0.000%2.10I 47.62%NM 45.17%EV -5.95%E -2.83%K -5.41%G +0.000%5.4%2026-09-01 05:30
888sport🎯1.73I 57.80%NM 54.83%EV -4.48%E -2.59%K -6.14%G +0.000%2.10I 47.62%NM 45.17%EV -5.95%E -2.83%K -5.41%G +0.000%5.4%2026-09-01 05:35
Bet Right🎯1.72I 58.14%NM 55.21%EV -5.03%E -2.93%K -6.99%G +0.000%2.12I 47.17%NM 44.79%EV -5.05%E -2.38%K -4.51%G +0.000%5.3%2026-09-01 06:20
Winamax (DE)🎯1.72I 58.14%NM 54.97%EV -5.03%E -2.93%K -6.99%G +0.000%2.10I 47.62%NM 45.03%EV -5.95%E -2.83%K -5.41%G +0.000%5.8%2026-09-01 04:05
PlayUp🎯1.72I 58.14%NM 54.74%EV -5.03%E -2.93%K -6.99%G +0.000%2.08I 48.08%NM 45.26%EV -6.84%E -3.29%K -6.34%G +0.000%6.2%2026-09-01 05:35
PMU (FR)🎯1.72I 58.14%NM 54.62%EV -5.03%E -2.93%K -6.99%G +0.000%2.07I 48.31%NM 45.38%EV -7.29%E -3.52%K -6.82%G +0.000%6.4%2026-09-01 06:45
FanDuel🎯1.71I 58.48%NM 55.81%EV -5.58%E -3.27%K -7.87%G +0.000%2.16I 46.30%NM 44.19%EV -3.26%E -1.51%K -2.81%G +0.000%4.8%2026-09-01 06:13
Bovada🎯1.71I 58.48%NM 55.70%EV -5.58%E -3.27%K -7.87%G +0.000%2.15I 46.51%NM 44.30%EV -3.71%E -1.73%K -3.23%G +0.000%5.0%2026-09-01 00:33
MyBookie.ag🎯1.71I 58.48%NM 55.24%EV -5.58%E -3.27%K -7.87%G +0.000%2.11I 47.39%NM 44.76%EV -5.50%E -2.61%K -4.96%G +0.000%5.9%2026-09-01 01:09
PointsBet (AU)🎯1.71I 58.48%NM 55.12%EV -5.58%E -3.27%K -7.87%G +0.000%2.10I 47.62%NM 44.88%EV -5.95%E -2.83%K -5.41%G +0.000%6.1%2026-09-01 06:45
Fanatics🎯1.71I 58.48%NM 55.12%EV -5.58%E -3.27%K -7.87%G +0.000%2.10I 47.62%NM 44.88%EV -5.95%E -2.83%K -5.41%G +0.000%6.1%2026-09-01 01:11
Betr (AU)🎯1.71I 58.48%NM 55.12%EV -5.58%E -3.27%K -7.87%G +0.000%2.10I 47.62%NM 44.88%EV -5.95%E -2.83%K -5.41%G +0.000%6.1%2026-09-01 06:45
Caesars🎯1.71I 58.48%NM 55.12%EV -5.58%E -3.27%K -7.87%G +0.000%2.10I 47.62%NM 44.88%EV -5.95%E -2.83%K -5.41%G +0.000%6.1%2026-09-01 05:37
GTbets🎯1.70I 58.82%NM 55.96%EV -6.14%E -3.61%K -8.77%G +0.000%2.16I 46.30%NM 44.04%EV -3.26%E -1.51%K -2.81%G +0.000%5.1%2026-09-01 02:10
Marathon Bet🎯1.70I 58.82%NM 55.73%EV -6.14%E -3.61%K -8.77%G +0.000%2.14I 46.73%NM 44.27%EV -4.16%E -1.94%K -3.65%G +0.000%5.6%2026-09-01 06:22
Tipico (DE)🎯1.70I 58.82%NM 55.26%EV -6.14%E -3.61%K -8.77%G +0.000%2.10I 47.62%NM 44.74%EV -5.95%E -2.83%K -5.41%G +0.000%6.4%2026-09-01 03:55
Unibet (UK)🎯1.70I 58.82%NM 55.15%EV -6.14%E -3.61%K -8.77%G +0.000%2.09I 47.85%NM 44.85%EV -6.40%E -3.06%K -5.87%G +0.000%6.7%2026-09-01 01:10
theScore Bet🎯1.69I 59.17%NM 55.41%EV -6.69%E -3.96%K -9.69%G +0.000%2.10I 47.62%NM 44.59%EV -5.95%E -2.83%K -5.41%G +0.000%6.8%2026-09-01 00:30
DraftKings🎯1.67I 59.88%NM 56.62%EV -7.79%E -4.67%K -11.63%G +0.000%2.18I 45.87%NM 43.38%EV -2.37%E -1.09%K -2.01%G +0.000%5.8%2026-09-01 00:30
Sky Bet🎯1.67I 59.88%NM 55.70%EV -7.79%E -4.67%K -11.63%G +0.000%2.10I 47.62%NM 44.30%EV -5.95%E -2.83%K -5.41%G +0.000%7.5%2026-09-01 06:15
LeoVegas🎯1.67I 59.88%NM 55.11%EV -7.79%E -4.67%K -11.63%G +0.000%2.05I 48.78%NM 44.89%EV -8.19%E -3.99%K -7.80%G +0.000%8.7%2026-09-01 05:45
SportsBet🎯1.66I 60.24%NM 56.43%EV -8.35%E -5.03%K -12.64%G +0.000%2.15I 46.51%NM 43.57%EV -3.71%E -1.73%K -3.23%G +0.000%6.8%2026-09-01 00:30
ReBet🎯1.65I 60.61%NM 55.04%EV -8.90%E -5.39%K -13.69%G +0.000%2.02I 49.50%NM 44.96%EV -9.53%E -4.72%K -9.34%G +0.000%10.1%2026-09-01 01:11
Unibet (FR)🎯1.64I 60.98%NM 54.95%EV -9.45%E -5.76%K -14.76%G +0.000%2.00I 50.00%NM 45.05%EV -10.43%E -5.21%K -10.43%G +0.000%11.0%2026-09-01 01:11
Winamax (FR)🎯1.62I 61.73%NM 55.25%EV -10.55%E -6.51%K -17.02%G +0.000%2.00I 50.00%NM 44.75%EV -10.43%E -5.21%K -10.43%G +0.000%11.7%2026-09-01 04:05
Margin = Margin (Overround) · I = Implied Probability · NM = No-Margin Probability · EV = Expected Value · E = Edge · K = Kelly Criterion · G = Bankroll Growth

Updated is when each book last changed its price, so an older time means the odds simply haven't moved, not that the price is stale. Books not seen in the last ~15 minutes are normally dropped; only if a whole market's feed goes quiet are the latest recorded prices shown instead.

Exchanges (8)

BookmakerLocalVisitMargin ▲Updated
Kalshi1.75I 57.14%NM 56.47%2.27I 44.05%NM 43.53%1.2%2026-09-01 05:30
ProphetX1.67I 59.88%NM 56.62%2.18I 45.87%NM 43.38%5.8%2026-09-01 06:30
Novig1.63I 61.35%NM 56.42%2.11I 47.39%NM 43.58%8.7%2026-09-01 06:35
Matchbook1.58I 63.29%NM 58.20%2.20I 45.45%NM 41.80%8.7%2026-09-01 06:40
Betfair Exchange (EU)1.57I 63.69%NM 58.13%2.18I 45.87%NM 41.87%9.6%2026-09-01 06:45
Betfair Exchange (UK)1.57I 63.69%NM 58.13%2.18I 45.87%NM 41.87%9.6%2026-09-01 06:40
Betfair Exchange (AU)1.57I 63.69%NM 58.13%2.18I 45.87%NM 41.87%9.6%2026-09-01 06:45
Smarkets1.62I 61.73%NM 55.74%2.04I 49.02%NM 44.26%10.7%2026-09-01 01:11