Default modelInterquartile mean (Vetted List)

Solana Sierra v Sloane Stephens

2026-08-03 14:00 UTC — WTA Canadian Open

Head to Head

47 sportsbooks (16 in analysis )

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

Solana Sierra (Local)

Prediction 46.49%2.15fair odd
EV -0.975%
Edge -0.458%
Kelly -0.863%
Growth +0.000%

assuming max odds 2.13

Bookmakers’ predictions’ distribution
44.68%46.56%46.46%48.04%MIN.MEANMEDIANMAX.
Odds’ distribution
1.862.022.022.1353.76%49.59%49.50%46.95%MIN.MEANMEDIANMAX.

Sloane Stephens (Visit)

Prediction 53.51%1.87fair odd
EV -2.61%
Edge -1.44%
Kelly -3.19%
Growth +0.000%

assuming max odds 1.82

Bookmakers’ predictions’ distribution
51.96%53.44%53.54%55.32%MIN.MEANMEDIANMAX.
Odds’ distribution
1.721.771.771.8258.14%56.65%56.50%54.95%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Solana Sierra (Local): 46.49%; Sloane Stephens (Visit): 53.51%. For Solana Sierra (Local), that estimate is equivalent to fair decimal odds of 2.15. No eligible bookmaker offers odds above that level: the best available odds are 2.13, with an expected value of -0.975%; they do not produce positive expected value.

Sportsbook Odds (47 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
GTbets2.13I 46.95%NM 44.68%EV -0.975%E -0.458%K -0.863%G +0.000%1.72I 58.14%NM 55.32%EV -7.96%E -4.63%K -11.06%G +0.000%5.1%2026-08-02 13:19
Coolbet2.08I 48.08%NM 46.67%EV -3.30%E -1.59%K -3.06%G +0.000%1.82I 54.95%NM 53.33%EV -2.61%E -1.44%K -3.19%G +0.000%3.0%2026-08-02 16:35
SportsBet2.08I 48.08%NM 45.69%EV -3.30%E -1.59%K -3.06%G +0.000%1.75I 57.14%NM 54.31%EV -6.36%E -3.63%K -8.48%G +0.000%5.2%2026-08-02 19:04
DraftKings2.07I 48.31%NM 46.09%EV -3.76%E -1.82%K -3.52%G +0.000%1.77I 56.50%NM 53.91%EV -5.29%E -2.99%K -6.87%G +0.000%4.8%2026-08-02 13:20
FanDuel2.06I 48.54%NM 46.35%EV -4.23%E -2.05%K -3.99%G +0.000%1.78I 56.18%NM 53.65%EV -4.75%E -2.67%K -6.09%G +0.000%4.7%2026-08-02 15:30
Fanatics2.05I 48.78%NM 46.34%EV -4.69%E -2.29%K -4.47%G +0.000%1.77I 56.50%NM 53.66%EV -5.29%E -2.99%K -6.87%G +0.000%5.3%2026-08-02 19:50
Caesars2.05I 48.78%NM 45.91%EV -4.69%E -2.29%K -4.47%G +0.000%1.74I 57.47%NM 54.09%EV -6.89%E -3.96%K -9.32%G +0.000%6.3%2026-08-02 14:24
Marathon Bet2.04I 49.02%NM 46.46%EV -5.16%E -2.53%K -4.96%G +0.000%1.77I 56.50%NM 53.54%EV -5.29%E -2.99%K -6.87%G +0.000%5.5%2026-08-02 15:35
1xBet2.04I 49.02%NM 46.46%EV -5.16%E -2.53%K -4.96%G +0.000%1.77I 56.50%NM 53.54%EV -5.29%E -2.99%K -6.87%G +0.000%5.5%2026-08-02 15:34
PointsBet (AU)2.04I 49.02%NM 46.46%EV -5.16%E -2.53%K -4.96%G +0.000%1.77I 56.50%NM 53.54%EV -5.29%E -2.99%K -6.87%G +0.000%5.5%2026-08-02 16:30
Unibet2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
PMU (FR)2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
TABtouch2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:19
BetRivers2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:19
Casumo2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:19
Unibet (SE)2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
LeoVegas (SE)2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
Unibet (NL)2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
Grosvenor2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
betPARX2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:19
Bally Bet2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
Svenska Spel2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:19
ATG (SE)2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:20
Virgin Bet2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 13:40
LiveScore Bet2.02I 49.50%NM 46.84%EV -6.09%E -3.01%K -5.97%G +0.000%1.78I 56.18%NM 53.16%EV -4.75%E -2.67%K -6.09%G +0.000%5.7%2026-08-02 14:10
Betclic (FR)2.02I 49.50%NM 46.70%EV -6.09%E -3.01%K -5.97%G +0.000%1.77I 56.50%NM 53.30%EV -5.29%E -2.99%K -6.87%G +0.000%6.0%2026-08-02 19:36
NordicBet2.02I 49.50%NM 46.56%EV -6.09%E -3.01%K -5.97%G +0.000%1.76I 56.82%NM 53.44%EV -5.82%E -3.31%K -7.66%G +0.000%6.3%2026-08-02 13:20
Unibet (UK)2.02I 49.50%NM 46.56%EV -6.09%E -3.01%K -5.97%G +0.000%1.76I 56.82%NM 53.44%EV -5.82%E -3.31%K -7.66%G +0.000%6.3%2026-08-02 20:00
Dabble (AU)2.00I 50.00%NM 47.37%EV -7.02%E -3.51%K -7.02%G +0.000%1.80I 55.56%NM 52.63%EV -3.68%E -2.05%K -4.60%G +0.000%5.6%2026-08-02 14:39
betfred_uk2.00I 50.00%NM 47.37%EV -7.02%E -3.51%K -7.02%G +0.000%1.80I 55.56%NM 52.63%EV -3.68%E -2.05%K -4.60%G +0.000%5.6%2026-08-02 16:29
PlayUp2.00I 50.00%NM 47.09%EV -7.02%E -3.51%K -7.02%G +0.000%1.78I 56.18%NM 52.91%EV -4.75%E -2.67%K -6.09%G +0.000%6.2%2026-08-02 15:29
Hard Rock Bet2.00I 50.00%NM 46.95%EV -7.02%E -3.51%K -7.02%G +0.000%1.77I 56.50%NM 53.05%EV -5.29%E -2.99%K -6.87%G +0.000%6.5%2026-08-02 13:19
Betr (AU)2.00I 50.00%NM 46.95%EV -7.02%E -3.51%K -7.02%G +0.000%1.77I 56.50%NM 53.05%EV -5.29%E -2.99%K -6.87%G +0.000%6.5%2026-08-02 16:29
theScore Bet2.00I 50.00%NM 46.95%EV -7.02%E -3.51%K -7.02%G +0.000%1.77I 56.50%NM 53.05%EV -5.29%E -2.99%K -6.87%G +0.000%6.5%2026-08-02 16:30
Betway2.00I 50.00%NM 46.67%EV -7.02%E -3.51%K -7.02%G +0.000%1.75I 57.14%NM 53.33%EV -6.36%E -3.63%K -8.48%G +0.000%7.1%2026-08-02 13:19
Fliff2.00I 50.00%NM 46.52%EV -7.02%E -3.51%K -7.02%G +0.000%1.74I 57.47%NM 53.48%EV -6.89%E -3.96%K -9.32%G +0.000%7.5%2026-08-02 19:20
BoyleSports2.00I 50.00%NM 46.38%EV -7.02%E -3.51%K -7.02%G +0.000%1.73I 57.80%NM 53.62%EV -7.43%E -4.29%K -10.18%G +0.000%7.8%2026-08-02 13:20
Bet Victor2.00I 50.00%NM 46.38%EV -7.02%E -3.51%K -7.02%G +0.000%1.73I 57.80%NM 53.62%EV -7.43%E -4.29%K -10.18%G +0.000%7.8%2026-08-02 15:35
Paddy Power2.00I 50.00%NM 46.38%EV -7.02%E -3.51%K -7.02%G +0.000%1.73I 57.80%NM 53.62%EV -7.43%E -4.29%K -10.18%G +0.000%7.8%2026-08-02 15:29
Sky Bet2.00I 50.00%NM 46.38%EV -7.02%E -3.51%K -7.02%G +0.000%1.73I 57.80%NM 53.62%EV -7.43%E -4.29%K -10.18%G +0.000%7.8%2026-08-02 15:30
betano_uk2.00I 50.00%NM 46.38%EV -7.02%E -3.51%K -7.02%G +0.000%1.73I 57.80%NM 53.62%EV -7.43%E -4.29%K -10.18%G +0.000%7.8%2026-08-02 15:35
Tipico (DE)2.00I 50.00%NM 46.24%EV -7.02%E -3.51%K -7.02%G +0.000%1.72I 58.14%NM 53.76%EV -7.96%E -4.63%K -11.06%G +0.000%8.1%2026-08-02 16:14
Winamax (DE)1.98I 50.51%NM 47.89%EV -7.95%E -4.01%K -8.11%G +0.000%1.82I 54.95%NM 52.11%EV -2.61%E -1.44%K -3.19%G +0.000%5.5%2026-08-02 13:45
LeoVegas1.98I 50.51%NM 46.92%EV -7.95%E -4.01%K -8.11%G +0.000%1.75I 57.14%NM 53.08%EV -6.36%E -3.63%K -8.48%G +0.000%7.6%2026-08-02 13:19
Unibet (FR)1.98I 50.51%NM 46.77%EV -7.95%E -4.01%K -8.11%G +0.000%1.74I 57.47%NM 53.23%EV -6.89%E -3.96%K -9.32%G +0.000%8.0%2026-08-02 20:05
ReBet1.98I 50.51%NM 46.77%EV -7.95%E -4.01%K -8.11%G +0.000%1.74I 57.47%NM 53.23%EV -6.89%E -3.96%K -9.32%G +0.000%8.0%2026-08-02 14:10
Winamax (FR)1.86I 53.76%NM 48.04%EV -13.53%E -7.27%K -15.73%G +0.000%1.72I 58.14%NM 51.96%EV -7.96%E -4.63%K -11.06%G +0.000%11.9%2026-08-02 13:45
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 (EU)2.00I 50.00%NM 48.72%1.90I 52.63%NM 51.28%2.6%2026-08-02 19:05
Betfair Exchange (AU)2.00I 50.00%NM 48.72%1.90I 52.63%NM 51.28%2.6%2026-08-02 15:05
Betfair Exchange (UK)2.00I 50.00%NM 48.72%1.90I 52.63%NM 51.28%2.6%2026-08-02 20:00
Novig2.04I 49.02%NM 46.74%1.79I 55.87%NM 53.26%4.9%2026-08-02 20:19
Smarkets1.94I 51.55%NM 46.70%1.70I 58.82%NM 53.30%10.4%2026-08-02 20:15
Matchbook1.74I 57.47%NM 42.19%1.27I 78.74%NM 57.81%36.2%2026-08-02 20:15