Default modelInterquartile mean (Vetted List)

Janice Tjen v Dayana Yastremska

2026-08-24 16:00 UTC — WTA Monterrey Open

Head to Head

41 sportsbooks (20 in analysis )

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

Janice Tjen (Local)

Prediction 58.65%1.71fair odd
EV -2.06%
Edge -1.23%
Kelly -3.07%
Growth +0.000%

assuming max odds 1.67

Bookmakers’ predictions’ distribution
57.29%58.56%58.75%59.45%MIN.MEANMEDIANMAX.
Odds’ distribution
1.511.611.611.6766.23%62.23%62.11%59.88%MIN.MEANMEDIANMAX.

Dayana Yastremska (Visit)

Prediction 41.35%2.42fair odd
EV -1.17%
Edge -0.488%
Kelly -0.839%
Growth +0.000%

assuming max odds 2.39

Bookmakers’ predictions’ distribution
40.55%41.44%41.25%42.71%MIN.MEANMEDIANMAX.
Odds’ distribution
2.152.272.252.3946.51%44.15%44.44%41.84%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Janice Tjen (Local): 58.65%; Dayana Yastremska (Visit): 41.35%. For Dayana Yastremska (Visit), that estimate is equivalent to fair decimal odds of 2.42. No eligible bookmaker offers odds above that level: the best available odds are 2.39, with an expected value of -1.17%; they do not produce positive expected value.

Sportsbook Odds (41 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
FanDuel🎯1.67I 59.88%NM 57.29%EV -2.06%E -1.23%K -3.07%G +0.000%2.24I 44.64%NM 42.71%EV -7.37%E -3.29%K -5.94%G +0.000%4.5%2026-08-23 14:20
Betway🎯1.65I 60.61%NM 57.69%EV -3.23%E -1.96%K -4.97%G +0.000%2.25I 44.44%NM 42.31%EV -6.96%E -3.09%K -5.56%G +0.000%5.1%2026-08-23 14:30
BetOnline.ag🎯1.64I 60.98%NM 59.10%EV -3.82%E -2.33%K -5.97%G +0.000%2.37I 42.19%NM 40.90%EV -1.99%E -0.841%K -1.45%G +0.000%3.2%2026-08-23 15:10
LowVig.ag🎯1.64I 60.98%NM 59.10%EV -3.82%E -2.33%K -5.97%G +0.000%2.37I 42.19%NM 40.90%EV -1.99%E -0.841%K -1.45%G +0.000%3.2%2026-08-23 15:10
SportsBet🎯1.64I 60.98%NM 57.29%EV -3.82%E -2.33%K -5.97%G +0.000%2.20I 45.45%NM 42.71%EV -9.02%E -4.10%K -7.52%G +0.000%6.4%2026-08-23 14:20
Pinnacle🎯1.63I 61.35%NM 59.45%EV -4.41%E -2.70%K -6.99%G +0.000%2.39I 41.84%NM 40.55%EV -1.17%E -0.488%K -0.839%G +0.000%3.2%2026-08-23 16:50
Bet Right🎯1.63I 61.35%NM 58.31%EV -4.41%E -2.70%K -6.99%G +0.000%2.28I 43.86%NM 41.69%EV -5.71%E -2.51%K -4.46%G +0.000%5.2%2026-08-23 18:29
1xBet🎯1.63I 61.35%NM 58.31%EV -4.41%E -2.70%K -6.99%G +0.000%2.28I 43.86%NM 41.69%EV -5.71%E -2.51%K -4.46%G +0.000%5.2%2026-08-23 15:00
PlayUp🎯1.63I 61.35%NM 57.99%EV -4.41%E -2.70%K -6.99%G +0.000%2.25I 44.44%NM 42.01%EV -6.96%E -3.09%K -5.56%G +0.000%5.8%2026-08-23 18:29
GTbets🎯1.62I 61.73%NM 59.09%EV -4.99%E -3.08%K -8.05%G +0.000%2.34I 42.74%NM 40.91%EV -3.23%E -1.38%K -2.41%G +0.000%4.5%2026-08-23 15:20
William Hill🎯1.62I 61.73%NM 58.67%EV -4.99%E -3.08%K -8.05%G +0.000%2.30I 43.48%NM 41.33%EV -4.89%E -2.12%K -3.76%G +0.000%5.2%2026-08-23 14:35
Fanatics🎯1.62I 61.73%NM 58.67%EV -4.99%E -3.08%K -8.05%G +0.000%2.30I 43.48%NM 41.33%EV -4.89%E -2.12%K -3.76%G +0.000%5.2%2026-08-23 14:45
PointsBet (AU)🎯1.62I 61.73%NM 58.14%EV -4.99%E -3.08%K -8.05%G +0.000%2.25I 44.44%NM 41.86%EV -6.96%E -3.09%K -5.56%G +0.000%6.2%2026-08-23 15:20
Ladbrokes (AU)🎯1.62I 61.73%NM 58.14%EV -4.99%E -3.08%K -8.05%G +0.000%2.25I 44.44%NM 41.86%EV -6.96%E -3.09%K -5.56%G +0.000%6.2%2026-08-23 14:40
Neds🎯1.62I 61.73%NM 58.14%EV -4.99%E -3.08%K -8.05%G +0.000%2.25I 44.44%NM 41.86%EV -6.96%E -3.09%K -5.56%G +0.000%6.2%2026-08-23 14:40
betfred_uk🎯1.62I 61.73%NM 58.14%EV -4.99%E -3.08%K -8.05%G +0.000%2.25I 44.44%NM 41.86%EV -6.96%E -3.09%K -5.56%G +0.000%6.2%2026-08-23 14:55
BoyleSports🎯1.62I 61.73%NM 57.59%EV -4.99%E -3.08%K -8.05%G +0.000%2.20I 45.45%NM 42.41%EV -9.02%E -4.10%K -7.52%G +0.000%7.2%2026-08-23 14:30
Sky Bet🎯1.62I 61.73%NM 57.59%EV -4.99%E -3.08%K -8.05%G +0.000%2.20I 45.45%NM 42.41%EV -9.02%E -4.10%K -7.52%G +0.000%7.2%2026-08-23 14:35
Paddy Power🎯1.62I 61.73%NM 57.59%EV -4.99%E -3.08%K -8.05%G +0.000%2.20I 45.45%NM 42.41%EV -9.02%E -4.10%K -7.52%G +0.000%7.2%2026-08-23 14:40
Bovada🎯1.61I 62.11%NM 59.34%EV -5.58%E -3.47%K -9.15%G +0.000%2.35I 42.55%NM 40.66%EV -2.82%E -1.20%K -2.09%G +0.000%4.7%2026-08-23 14:28
BetAnything🎯1.61I 62.11%NM 59.34%EV -5.58%E -3.47%K -9.15%G +0.000%2.35I 42.55%NM 40.66%EV -2.82%E -1.20%K -2.09%G +0.000%4.7%2026-08-23 18:09
DraftKings🎯1.61I 62.11%NM 59.24%EV -5.58%E -3.47%K -9.15%G +0.000%2.34I 42.74%NM 40.76%EV -3.23%E -1.38%K -2.41%G +0.000%4.8%2026-08-23 15:04
888sport🎯1.61I 62.11%NM 58.82%EV -5.58%E -3.47%K -9.15%G +0.000%2.30I 43.48%NM 41.18%EV -4.89%E -2.12%K -3.76%G +0.000%5.6%2026-08-23 14:40
BetMGM🎯1.61I 62.11%NM 58.82%EV -5.58%E -3.47%K -9.15%G +0.000%2.30I 43.48%NM 41.18%EV -4.89%E -2.12%K -3.76%G +0.000%5.6%2026-08-23 14:45
Marathon Bet🎯1.61I 62.11%NM 58.82%EV -5.58%E -3.47%K -9.15%G +0.000%2.30I 43.48%NM 41.18%EV -4.89%E -2.12%K -3.76%G +0.000%5.6%2026-08-23 14:50
Betr (AU)🎯1.61I 62.11%NM 58.29%EV -5.58%E -3.47%K -9.15%G +0.000%2.25I 44.44%NM 41.71%EV -6.96%E -3.09%K -5.56%G +0.000%6.6%2026-08-23 14:30
theScore Bet🎯1.61I 62.11%NM 58.29%EV -5.58%E -3.47%K -9.15%G +0.000%2.25I 44.44%NM 41.71%EV -6.96%E -3.09%K -5.56%G +0.000%6.6%2026-08-23 15:05
Winamax (DE)🎯1.60I 62.50%NM 58.97%EV -6.17%E -3.85%K -10.28%G +0.000%2.30I 43.48%NM 41.03%EV -4.89%E -2.12%K -3.76%G +0.000%6.0%2026-08-23 14:30
NordicBet🎯1.60I 62.50%NM 58.87%EV -6.17%E -3.85%K -10.28%G +0.000%2.29I 43.67%NM 41.13%EV -5.30%E -2.31%K -4.11%G +0.000%6.2%2026-08-23 14:40
Betsson🎯1.60I 62.50%NM 58.87%EV -6.17%E -3.85%K -10.28%G +0.000%2.29I 43.67%NM 41.13%EV -5.30%E -2.31%K -4.11%G +0.000%6.2%2026-08-23 14:40
Unibet (UK)🎯1.60I 62.50%NM 58.44%EV -6.17%E -3.85%K -10.28%G +0.000%2.25I 44.44%NM 41.56%EV -6.96%E -3.09%K -5.56%G +0.000%6.9%2026-08-23 14:35
betano_uk🎯1.60I 62.50%NM 57.89%EV -6.17%E -3.85%K -10.28%G +0.000%2.20I 45.45%NM 42.11%EV -9.02%E -4.10%K -7.52%G +0.000%8.0%2026-08-23 14:40
Bet Victor🎯1.60I 62.50%NM 57.89%EV -6.17%E -3.85%K -10.28%G +0.000%2.20I 45.45%NM 42.11%EV -9.02%E -4.10%K -7.52%G +0.000%8.0%2026-08-23 14:40
Caesars🎯1.59I 62.89%NM 59.13%EV -6.75%E -4.25%K -11.44%G +0.000%2.30I 43.48%NM 40.87%EV -4.89%E -2.12%K -3.76%G +0.000%6.4%2026-08-23 15:34
ReBet🎯1.58I 63.29%NM 58.64%EV -7.34%E -4.64%K -12.65%G +0.000%2.24I 44.64%NM 41.36%EV -7.37%E -3.29%K -5.94%G +0.000%7.9%2026-08-23 16:04
Tipico (DE)🎯1.57I 63.69%NM 58.90%EV -7.92%E -5.05%K -13.90%G +0.000%2.25I 44.44%NM 41.10%EV -6.96%E -3.09%K -5.56%G +0.000%8.1%2026-08-23 14:55
LeoVegas🎯1.57I 63.69%NM 58.90%EV -7.92%E -5.05%K -13.90%G +0.000%2.25I 44.44%NM 41.10%EV -6.96%E -3.09%K -5.56%G +0.000%8.1%2026-08-23 14:55
Betclic (FR)🎯1.55I 64.52%NM 58.56%EV -9.10%E -5.87%K -16.54%G +0.000%2.19I 45.66%NM 41.44%EV -9.44%E -4.31%K -7.93%G +0.000%10.2%2026-08-23 15:03
Winamax (FR)🎯1.54I 64.94%NM 58.27%EV -9.68%E -6.29%K -17.93%G +0.000%2.15I 46.51%NM 41.73%EV -11.09%E -5.16%K -9.64%G +0.000%11.4%2026-08-23 14:30
Unibet (FR)🎯1.53I 65.36%NM 58.42%EV -10.27%E -6.71%K -19.38%G +0.000%2.15I 46.51%NM 41.58%EV -11.09%E -5.16%K -9.64%G +0.000%11.9%2026-08-23 14:35
NetBet (FR)🎯1.51I 66.23%NM 59.30%EV -11.44%E -7.58%K -22.44%G +0.000%2.20I 45.45%NM 40.70%EV -9.02%E -4.10%K -7.52%G +0.000%11.7%2026-08-23 15:40
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)1.71I 58.48%NM 58.19%2.38I 42.02%NM 41.81%0.5%2026-08-23 16:15
Betfair Exchange (UK)1.71I 58.48%NM 58.19%2.38I 42.02%NM 41.81%0.5%2026-08-23 16:15
Betfair Exchange (AU)1.71I 58.48%NM 58.19%2.38I 42.02%NM 41.81%0.5%2026-08-23 16:15
Matchbook1.71I 58.48%NM 58.19%2.38I 42.02%NM 41.81%0.5%2026-08-23 18:15
ProphetX1.70I 58.82%NM 58.13%2.36I 42.37%NM 41.87%1.2%2026-08-23 18:20
Novig1.65I 60.61%NM 59.06%2.38I 42.02%NM 40.94%2.6%2026-08-23 17:35