Default modelInterquartile mean (Vetted List)

Marta Kostyuk v Katherine Sebov

2026-08-05 19:00 UTC — WTA Canadian Open

Head to Head

39 sportsbooks (11 in analysis )

91%

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

Marta Kostyuk (Local)

Prediction 90.92%1.10fair odd

EV -2.72%

Edge -2.54%

Kelly -38.85%

Growth +0.000%

assuming max odds 1.07

Bookmakers’ predictions’ distribution

86.85%90.73%90.50%92.83%MIN.MEANMEDIANMAX.

Odds’ distribution

1.021.041.041.0798.04%95.94%96.15%93.46%MIN.MEANMEDIANMAX.

Katherine Sebov (Visit)

Prediction 9.08%11.01fair odd

EV +23.54%

Edge +1.73%

Kelly +1.87%

Growth +0.440%

assuming max odds 13.60

Bookmakers’ predictions’ distribution

7.17%9.27%9.50%13.15%MIN.MEANMEDIANMAX.

Odds’ distribution

6.8010.2010.0013.6014.71%9.81%10.00%7.35%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Marta Kostyuk (Local): 90.92%; Katherine Sebov (Visit): 9.08%. For Katherine Sebov (Visit), that estimate is equivalent to fair decimal odds of 11.01. 10 bookmakers offer odds above that level; the best available odds are 13.60, producing a positive expected value of +23.54%.

Sportsbook Odds (39 sportsbooks)

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

Bookmaker	Local	Visit ▼	Margin	Updated
FanDuel	1.05I 95.24%NM 92.83%EV -4.54%E -4.32%K -90.76%G +0.000%	13.60I 7.35%NM 7.17%EV +23.54%E +1.73%K +1.87%G +0.440%	2.6%	2026-08-03 05:19
Paddy Power	1.04I 96.15%NM 92.59%EV -5.45%E -5.24%K -136.18%G +0.000%	13.00I 7.69%NM 7.41%EV +18.09%E +1.39%K +1.51%G +0.273%	3.8%	2026-08-03 05:20
Sky Bet	1.04I 96.15%NM 92.59%EV -5.45%E -5.24%K -136.18%G +0.000%	13.00I 7.69%NM 7.41%EV +18.09%E +1.39%K +1.51%G +0.273%	3.8%	2026-08-03 05:19
DraftKings	1.04I 96.15%NM 92.26%EV -5.45%E -5.24%K -136.18%G +0.000%	12.40I 8.06%NM 7.74%EV +12.64%E +1.02%K +1.11%G +0.140%	4.2%	2026-08-03 05:14
888sport	1.03I 97.09%NM 92.10%EV -6.36%E -6.17%K -211.88%G +0.000%	12.00I 8.33%NM 7.90%EV +9.01%E +0.751%K +0.819%G +0.074%	5.4%	2026-08-03 05:20
Mr Green (SE)	1.03I 97.09%NM 92.10%EV -6.36%E -6.17%K -211.88%G +0.000%	12.00I 8.33%NM 7.90%EV +9.01%E +0.751%K +0.819%G +0.074%	5.4%	2026-08-03 05:30
888sport (SE)	1.03I 97.09%NM 92.10%EV -6.36%E -6.17%K -211.88%G +0.000%	12.00I 8.33%NM 7.90%EV +9.01%E +0.751%K +0.819%G +0.074%	5.4%	2026-08-03 05:30
Marathon Bet	1.03I 97.09%NM 91.78%EV -6.36%E -6.17%K -211.88%G +0.000%	11.50I 8.70%NM 8.22%EV +4.46%E +0.388%K +0.425%G +0.019%	5.8%	2026-08-03 06:40
1xBet	1.03I 97.09%NM 91.78%EV -6.36%E -6.17%K -211.88%G +0.000%	11.50I 8.70%NM 8.22%EV +4.46%E +0.388%K +0.425%G +0.019%	5.8%	2026-08-03 06:40
Betr (AU)	1.03I 97.09%NM 91.61%EV -6.36%E -6.17%K -211.88%G +0.000%	11.25I 8.89%NM 8.39%EV +2.19%E +0.195%K +0.214%G +0.005%	6.0%	2026-08-03 07:05
PointsBet (AU)	1.04I 96.15%NM 91.36%EV -5.45%E -5.24%K -136.18%G +0.000%	11.00I 9.09%NM 8.64%EV -0.077%E -0.007%K -0.008%G +0.000%	5.2%	2026-08-03 05:20
betfred_uk	1.03I 97.09%NM 91.44%EV -6.36%E -6.17%K -211.88%G +0.000%	11.00I 9.09%NM 8.56%EV -0.077%E -0.007%K -0.008%G +0.000%	6.2%	2026-08-03 05:23
Winamax (DE)	1.04I 96.15%NM 90.99%EV -5.45%E -5.24%K -136.18%G +0.000%	10.50I 9.52%NM 9.01%EV -4.62%E -0.440%K -0.486%G +0.000%	5.7%	2026-08-03 05:20
Betway	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 05:20
BetRivers	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
Unibet (NL)	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
Virgin Bet	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
Unibet	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
LeoVegas (SE)	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
Casumo	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
LiveScore Bet	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
Grosvenor	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
TABtouch	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
Unibet (SE)	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
ATG (SE)	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
betPARX	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:29
Bally Bet	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
Svenska Spel	1.05I 95.24%NM 90.50%EV -4.54%E -4.32%K -90.76%G +0.000%	10.00I 10.00%NM 9.50%EV -9.16%E -0.916%K -1.02%G +0.000%	5.2%	2026-08-03 06:30
theScore Bet	1.05I 95.24%NM 90.05%EV -4.54%E -4.32%K -90.76%G +0.000%	9.50I 10.53%NM 9.95%EV -13.70%E -1.44%K -1.61%G +0.000%	5.8%	2026-08-03 05:15
Unibet (UK)	1.04I 96.15%NM 90.13%EV -5.45%E -5.24%K -136.18%G +0.000%	9.50I 10.53%NM 9.87%EV -13.70%E -1.44%K -1.61%G +0.000%	6.7%	2026-08-03 05:19
PMU (FR)	1.03I 97.09%NM 90.22%EV -6.36%E -6.17%K -211.88%G +0.000%	9.50I 10.53%NM 9.78%EV -13.70%E -1.44%K -1.61%G +0.000%	7.6%	2026-08-03 06:30
SportsBet	1.03I 97.09%NM 89.73%EV -6.36%E -6.17%K -211.88%G +0.000%	9.00I 11.11%NM 10.27%EV -18.24%E -2.03%K -2.28%G +0.000%	8.2%	2026-08-03 05:10
Betclic (FR)	1.04I 96.15%NM 89.21%EV -5.45%E -5.24%K -136.18%G +0.000%	8.60I 11.63%NM 10.79%EV -21.88%E -2.54%K -2.88%G +0.000%	7.8%	2026-08-03 06:40
Dabble (AU)	1.07I 93.46%NM 88.82%EV -2.72%E -2.54%K -38.85%G +0.000%	8.50I 11.76%NM 11.18%EV -22.79%E -2.68%K -3.04%G +0.000%	5.2%	2026-08-03 06:40
PlayUp	1.06I 94.34%NM 88.91%EV -3.63%E -3.42%K -60.48%G +0.000%	8.50I 11.76%NM 11.09%EV -22.79%E -2.68%K -3.04%G +0.000%	6.1%	2026-08-03 05:59
LeoVegas	1.04I 96.15%NM 89.10%EV -5.45%E -5.24%K -136.18%G +0.000%	8.50I 11.76%NM 10.90%EV -22.79%E -2.68%K -3.04%G +0.000%	7.9%	2026-08-03 05:39
ReBet	1.03I 97.09%NM 88.06%EV -6.36%E -6.17%K -211.88%G +0.000%	7.60I 13.16%NM 11.94%EV -30.96%E -4.07%K -4.69%G +0.000%	10.2%	2026-08-03 05:19
Winamax (FR)	1.02I 98.04%NM 87.28%EV -7.27%E -7.12%K -363.28%G +0.000%	7.00I 14.29%NM 12.72%EV -36.41%E -5.20%K -6.07%G +0.000%	12.3%	2026-08-03 05:20
Unibet (FR)	1.03I 97.09%NM 86.85%EV -6.36%E -6.17%K -211.88%G +0.000%	6.80I 14.71%NM 13.15%EV -38.23%E -5.62%K -6.59%G +0.000%	11.8%	2026-08-03 05:20

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 (4)

Bookmaker	Local	Visit	Margin ▲	Updated
Smarkets	1.02I 98.04%NM 86.96%	6.80I 14.71%NM 13.04%	12.7%	2026-08-03 05:20
Betfair Exchange (AU)	1.05I 95.24%NM 51.16%	1.10I 90.91%NM 48.84%	86.1%	2026-08-03 06:35
Betfair Exchange (UK)	1.05I 95.24%NM 51.16%	1.10I 90.91%NM 48.84%	86.1%	2026-08-03 06:35
Betfair Exchange (EU)	1.05I 95.24%NM 51.16%	1.10I 90.91%NM 48.84%	86.1%	2026-08-03 06:35