Default modelInterquartile mean (Vetted List)

Iga Swiatek v Qinwen Zheng

2026-09-07 15:00 UTC — WTA US Open

Head to Head

52 sportsbooks (16 in analysis )

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

Iga Swiatek (Local)

Prediction 76.45%1.31fair odd
EV -1.38%
Edge -1.07%
Kelly -4.75%
Growth +0.000%

assuming max odds 1.29

Bookmakers’ predictions’ distribution
74.31%76.53%76.26%79.70%MIN.MEANMEDIANMAX.
Odds’ distribution
1.201.231.241.2983.33%81.14%80.65%77.52%MIN.MEANMEDIANMAX.

Qinwen Zheng (Visit)

Prediction 23.55%4.25fair odd
EV +12.80%
Edge +2.67%
Kelly +3.38%
Growth +0.432%

assuming max odds 4.79

Bookmakers’ predictions’ distribution
20.30%23.47%23.74%25.69%MIN.MEANMEDIANMAX.
Odds’ distribution
3.504.064.104.7928.57%24.62%24.39%20.88%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Iga Swiatek (Local): 76.45%; Qinwen Zheng (Visit): 23.55%. For Qinwen Zheng (Visit), that estimate is equivalent to fair decimal odds of 4.25. 9 bookmakers offer odds above that level; the best available odds are 4.50, producing a positive expected value of +5.97%.

Sportsbook Odds (51 sportsbooks)

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

BookmakerLocalVisit ▼MarginUpdated
888sport🎯1.20I 83.33%NM 78.95%EV -8.26%E -6.88%K -41.29%G +0.000%4.50I 22.22%NM 21.05%EV +5.97%E +1.33%K +1.71%G +0.102%5.6%2026-09-06 01:15
William Hill🎯1.20I 83.33%NM 78.95%EV -8.26%E -6.88%K -41.29%G +0.000%4.50I 22.22%NM 21.05%EV +5.97%E +1.33%K +1.71%G +0.102%5.6%2026-09-06 01:15
Mr Green (SE)🎯1.20I 83.33%NM 78.95%EV -8.26%E -6.88%K -41.29%G +0.000%4.50I 22.22%NM 21.05%EV +5.97%E +1.33%K +1.71%G +0.102%5.6%2026-09-06 01:15
888sport (SE)🎯1.20I 83.33%NM 78.95%EV -8.26%E -6.88%K -41.29%G +0.000%4.50I 22.22%NM 21.05%EV +5.97%E +1.33%K +1.71%G +0.102%5.6%2026-09-06 01:15
PlayUp🎯1.20I 83.33%NM 78.57%EV -8.26%E -6.88%K -41.29%G +0.000%4.40I 22.73%NM 21.43%EV +3.62%E +0.822%K +1.06%G +0.038%6.1%2026-09-06 01:15
Coolbet🎯1.25I 80.00%NM 77.68%EV -4.44%E -3.55%K -17.74%G +0.000%4.35I 22.99%NM 22.32%EV +2.44%E +0.560%K +0.728%G +0.018%3.0%2026-09-06 01:15
Bovada🎯1.24I 80.65%NM 77.41%EV -5.20%E -4.19%K -21.67%G +0.000%4.25I 23.53%NM 22.59%EV +0.083%E +0.020%K +0.026%G +0.000%4.2%2026-09-06 01:23
Bet Right🎯1.23I 81.30%NM 77.55%EV -5.97%E -4.85%K -25.94%G +0.000%4.25I 23.53%NM 22.45%EV +0.083%E +0.020%K +0.026%G +0.000%4.8%2026-09-06 01:15
Betway🎯1.22I 81.97%NM 77.70%EV -6.73%E -5.52%K -30.59%G +0.000%4.25I 23.53%NM 22.30%EV +0.083%E +0.020%K +0.026%G +0.000%5.5%2026-09-06 01:15
TAB🎯1.20I 83.33%NM 77.78%EV -8.26%E -6.88%K -41.29%G +0.000%4.20I 23.81%NM 22.22%EV -1.09%E -0.261%K -0.342%G +0.000%7.1%2026-09-06 01:14
DraftKings🎯1.22I 81.97%NM 77.45%EV -6.73%E -5.52%K -30.59%G +0.000%4.19I 23.87%NM 22.55%EV -1.33%E -0.317%K -0.417%G +0.000%5.8%2026-09-06 01:15
BetUS🎯1.24I 80.65%NM 77.08%EV -5.20%E -4.19%K -21.67%G +0.000%4.17I 23.98%NM 22.92%EV -1.80%E -0.432%K -0.568%G +0.000%4.6%2026-09-06 01:21
PointsBet (AU)🎯1.22I 81.97%NM 77.28%EV -6.73%E -5.52%K -30.59%G +0.000%4.15I 24.10%NM 22.72%EV -2.27%E -0.547%K -0.721%G +0.000%6.1%2026-09-06 01:15
Betr (AU)🎯1.22I 81.97%NM 77.28%EV -6.73%E -5.52%K -30.59%G +0.000%4.15I 24.10%NM 22.72%EV -2.27%E -0.547%K -0.721%G +0.000%6.1%2026-09-06 01:15
SportsBet🎯1.20I 83.33%NM 77.57%EV -8.26%E -6.88%K -41.29%G +0.000%4.15I 24.10%NM 22.43%EV -2.27%E -0.547%K -0.721%G +0.000%7.4%2026-09-06 01:15
Unibet (NL)🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
LeoVegas (SE)🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
LiveScore Bet🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
Grosvenor🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
Casumo🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
Unibet🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:04
BetRivers🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
Virgin Bet🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:06
Unibet (SE)🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
TABtouch🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:05
betPARX🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:06
ATG (SE)🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:06
Bally Bet🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:04
Svenska Spel🎯1.24I 80.65%NM 76.78%EV -5.20%E -4.19%K -21.67%G +0.000%4.10I 24.39%NM 23.22%EV -3.45%E -0.841%K -1.11%G +0.000%5.0%2026-09-06 01:06
BoyleSports🎯1.25I 80.00%NM 76.19%EV -4.44%E -3.55%K -17.74%G +0.000%4.00I 25.00%NM 23.81%EV -5.80%E -1.45%K -1.93%G +0.000%5.0%2026-09-05 23:05
theScore Bet🎯1.24I 80.65%NM 76.34%EV -5.20%E -4.19%K -21.67%G +0.000%4.00I 25.00%NM 23.66%EV -5.80%E -1.45%K -1.93%G +0.000%5.6%2026-09-05 23:06
Hard Rock Bet🎯1.24I 80.65%NM 76.34%EV -5.20%E -4.19%K -21.67%G +0.000%4.00I 25.00%NM 23.66%EV -5.80%E -1.45%K -1.93%G +0.000%5.6%2026-09-06 01:20
PMU (FR)🎯1.23I 81.30%NM 76.48%EV -5.97%E -4.85%K -25.94%G +0.000%4.00I 25.00%NM 23.52%EV -5.80%E -1.45%K -1.93%G +0.000%6.3%2026-09-06 01:05
betfred_uk🎯1.22I 81.97%NM 76.63%EV -6.73%E -5.52%K -30.59%G +0.000%4.00I 25.00%NM 23.37%EV -5.80%E -1.45%K -1.93%G +0.000%7.0%2026-09-06 01:10
GTbets🎯1.25I 80.00%NM 76.01%EV -4.44%E -3.55%K -17.74%G +0.000%3.96I 25.25%NM 23.99%EV -6.75%E -1.70%K -2.28%G +0.000%5.3%2026-09-06 00:00
Winamax (DE)🎯1.25I 80.00%NM 75.96%EV -4.44%E -3.55%K -17.74%G +0.000%3.95I 25.32%NM 24.04%EV -6.98%E -1.77%K -2.37%G +0.000%5.3%2026-09-06 01:15
NordicBet🎯1.24I 80.65%NM 75.97%EV -5.20%E -4.19%K -21.67%G +0.000%3.92I 25.51%NM 24.03%EV -7.69%E -1.96%K -2.63%G +0.000%6.2%2026-09-05 23:06
Betsson🎯1.24I 80.65%NM 75.97%EV -5.20%E -4.19%K -21.67%G +0.000%3.92I 25.51%NM 24.03%EV -7.69%E -1.96%K -2.63%G +0.000%6.2%2026-09-05 23:05
Fanatics🎯1.25I 80.00%NM 75.73%EV -4.44%E -3.55%K -17.74%G +0.000%3.90I 25.64%NM 24.27%EV -8.16%E -2.09%K -2.81%G +0.000%5.6%2026-09-06 01:15
Unibet (UK)🎯1.24I 80.65%NM 75.88%EV -5.20%E -4.19%K -21.67%G +0.000%3.90I 25.64%NM 24.12%EV -8.16%E -2.09%K -2.81%G +0.000%6.3%2026-09-05 23:05
MyBookie.ag🎯1.24I 80.65%NM 75.88%EV -5.20%E -4.19%K -21.67%G +0.000%3.90I 25.64%NM 24.12%EV -8.16%E -2.09%K -2.81%G +0.000%6.3%2026-09-06 01:21
Fliff🎯1.24I 80.65%NM 75.88%EV -5.20%E -4.19%K -21.67%G +0.000%3.90I 25.64%NM 24.12%EV -8.16%E -2.09%K -2.81%G +0.000%6.3%2026-09-06 01:25
LeoVegas🎯1.22I 81.97%NM 76.17%EV -6.73%E -5.52%K -30.59%G +0.000%3.90I 25.64%NM 23.83%EV -8.16%E -2.09%K -2.81%G +0.000%7.6%2026-09-06 01:21
Tipico (DE)🎯1.25I 80.00%NM 75.25%EV -4.44%E -3.55%K -17.74%G +0.000%3.80I 26.32%NM 24.75%EV -10.51%E -2.77%K -3.75%G +0.000%6.3%2026-09-06 01:15
1xBet🎯1.29I 77.52%NM 74.51%EV -1.38%E -1.07%K -4.75%G +0.000%3.77I 26.53%NM 25.49%EV -11.22%E -2.98%K -4.05%G +0.000%4.0%2026-09-06 01:25
betano_uk🎯1.25I 80.00%NM 75.00%EV -4.44%E -3.55%K -17.74%G +0.000%3.75I 26.67%NM 25.00%EV -11.69%E -3.12%K -4.25%G +0.000%6.7%2026-09-05 23:59
Marathon Bet🎯1.27I 78.74%NM 74.55%EV -2.91%E -2.29%K -10.77%G +0.000%3.72I 26.88%NM 25.45%EV -12.40%E -3.33%K -4.56%G +0.000%5.6%2026-09-06 01:15
Betclic (FR)🎯1.22I 81.97%NM 74.69%EV -6.73%E -5.52%K -30.59%G +0.000%3.60I 27.78%NM 25.31%EV -15.22%E -4.23%K -5.86%G +0.000%9.7%2026-09-06 01:15
ReBet🎯1.22I 81.97%NM 74.69%EV -6.73%E -5.52%K -30.59%G +0.000%3.60I 27.78%NM 25.31%EV -15.22%E -4.23%K -5.86%G +0.000%9.7%2026-09-06 01:15
Unibet (FR)🎯1.21I 82.64%NM 74.31%EV -7.49%E -6.19%K -35.69%G +0.000%3.50I 28.57%NM 25.69%EV -17.58%E -5.02%K -7.03%G +0.000%11.2%2026-09-06 01:15
Winamax (FR)🎯1.21I 82.64%NM 74.31%EV -7.49%E -6.19%K -35.69%G +0.000%3.50I 28.57%NM 25.69%EV -17.58%E -5.02%K -7.03%G +0.000%11.2%2026-09-06 01:15
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 (6)

BookmakerLocalVisitMargin ▲Updated
Betfair Exchange (UK)1.23I 81.30%NM 79.93%4.90I 20.41%NM 20.07%1.7%2026-09-06 01:15
Betfair Exchange (EU)1.23I 81.30%NM 79.93%4.90I 20.41%NM 20.07%1.7%2026-09-06 01:21
Betfair Exchange (AU)1.23I 81.30%NM 79.93%4.90I 20.41%NM 20.07%1.7%2026-09-06 01:21
Matchbook1.23I 81.30%NM 79.60%4.80I 20.83%NM 20.40%2.1%2026-09-06 01:15
Novig1.21I 82.64%NM 78.99%4.55I 21.98%NM 21.01%4.6%2026-09-06 01:20
Smarkets1.17I 85.47%NM 80.40%4.80I 20.83%NM 19.60%6.3%2026-09-06 01:15
Arbitrage (6 combinations) +1.63%1xBet 1.29 (78.8%) / Pinnacle 4.79 (21.2%)Show all 6 combinations
Iga Swiatek (Local)Qinwen Zheng (Visit)Margin
1xBet🎯 1.29 (77.7%)888sport🎯 4.50 (22.3%)+0.259%
1xBet🎯 1.29 (77.7%)William Hill🎯 4.50 (22.3%)+0.259%
1xBet🎯 1.29 (77.7%)Mr Green (SE)🎯 4.50 (22.3%)+0.259%
1xBet🎯 1.29 (77.7%)888sport (SE)🎯 4.50 (22.3%)+0.259%