Default modelInterquartile mean (Vetted List)

Aoi Ito v Kimberly Birrell

2026-10-01 04:00 UTC — WTA China Open

Head to Head

39 sportsbooks (12 in analysis )

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

Aoi Ito (Local)

Prediction 22.26%4.49fair odd
EV +0.171%
Edge +0.038%
Kelly +0.049%
Growth +0.000%

assuming max odds 4.50

Bookmakers’ predictions’ distribution
21.19%22.30%22.27%24.51%MIN.MEANMEDIANMAX.
Odds’ distribution
3.704.304.304.5027.03%23.26%23.26%22.22%MIN.MEANMEDIANMAX.

Kimberly Birrell (Visit)

Prediction 77.74%1.29fair odd
EV -2.83%
Edge -2.26%
Kelly -11.30%
Growth +0.000%

assuming max odds 1.25

Bookmakers’ predictions’ distribution
75.49%77.70%77.73%78.81%MIN.MEANMEDIANMAX.
Odds’ distribution
1.161.211.211.2586.21%82.45%82.64%80.00%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Aoi Ito (Local): 22.26%; Kimberly Birrell (Visit): 77.74%. For Aoi Ito (Local), that estimate is equivalent to fair decimal odds of 4.49. 15 bookmakers offer odds above that level; the best available odds are 4.50, producing a positive expected value of +0.171%.

Sportsbook Odds (39 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
Unibet🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
LeoVegas (SE)🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
Unibet (SE)🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 18:59
Virgin Bet🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 18:59
Casumo🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 18:59
LiveScore Bet🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
Unibet (NL)🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
TABtouch🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
Grosvenor🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
betPARX🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:00
Hard Rock Bet🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 19:19
ATG (SE)🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 21:00
Svenska Spel🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 21:05
BetRivers🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 22:50
Bally Bet🎯4.50I 22.22%NM 21.19%EV +0.171%E +0.038%K +0.049%G +0.000%1.21I 82.64%NM 78.81%EV -5.93%E -4.90%K -28.26%G +0.000%4.9%2026-09-28 22:50
Marathon Bet🎯4.35I 22.99%NM 21.76%EV -3.17%E -0.728%K -0.946%G +0.000%1.21I 82.64%NM 78.24%EV -5.93%E -4.90%K -28.26%G +0.000%5.6%2026-09-29 00:04
DraftKings🎯4.30I 23.26%NM 22.24%EV -4.28%E -0.996%K -1.30%G +0.000%1.23I 81.30%NM 77.76%EV -4.38%E -3.56%K -19.04%G +0.000%4.6%2026-09-28 18:55
NordicBet🎯4.30I 23.26%NM 22.10%EV -4.28%E -0.996%K -1.30%G +0.000%1.22I 81.97%NM 77.90%EV -5.16%E -4.23%K -23.44%G +0.000%5.2%2026-09-28 23:40
Betsson🎯4.30I 23.26%NM 22.10%EV -4.28%E -0.996%K -1.30%G +0.000%1.22I 81.97%NM 77.90%EV -5.16%E -4.23%K -23.44%G +0.000%5.2%2026-09-28 23:40
Fanatics🎯4.30I 23.26%NM 22.10%EV -4.28%E -0.996%K -1.30%G +0.000%1.22I 81.97%NM 77.90%EV -5.16%E -4.23%K -23.44%G +0.000%5.2%2026-09-28 23:40
Coolbet🎯4.30I 23.26%NM 22.10%EV -4.28%E -0.996%K -1.30%G +0.000%1.22I 81.97%NM 77.90%EV -5.16%E -4.23%K -23.44%G +0.000%5.2%2026-09-28 23:44
GTbets🎯4.28I 23.36%NM 22.32%EV -4.73%E -1.10%K -1.44%G +0.000%1.23I 81.30%NM 77.68%EV -4.38%E -3.56%K -19.04%G +0.000%4.7%2026-09-28 18:59
1xBet🎯4.28I 23.36%NM 22.18%EV -4.73%E -1.10%K -1.44%G +0.000%1.22I 81.97%NM 77.82%EV -5.16%E -4.23%K -23.44%G +0.000%5.3%2026-09-29 00:10
Betway🎯4.25I 23.53%NM 22.30%EV -5.39%E -1.27%K -1.66%G +0.000%1.22I 81.97%NM 77.70%EV -5.16%E -4.23%K -23.44%G +0.000%5.5%2026-09-28 19:05
PointsBet (AU)🎯4.25I 23.53%NM 22.30%EV -5.39%E -1.27%K -1.66%G +0.000%1.22I 81.97%NM 77.70%EV -5.16%E -4.23%K -23.44%G +0.000%5.5%2026-09-28 23:35
BetMGM🎯4.20I 23.81%NM 22.51%EV -6.51%E -1.55%K -2.03%G +0.000%1.22I 81.97%NM 77.49%EV -5.16%E -4.23%K -23.44%G +0.000%5.8%2026-09-28 23:35
Ladbrokes (UK)🎯4.20I 23.81%NM 22.51%EV -6.51%E -1.55%K -2.03%G +0.000%1.22I 81.97%NM 77.49%EV -5.16%E -4.23%K -23.44%G +0.000%5.8%2026-09-28 23:35
888sport🎯4.20I 23.81%NM 22.51%EV -6.51%E -1.55%K -2.03%G +0.000%1.22I 81.97%NM 77.49%EV -5.16%E -4.23%K -23.44%G +0.000%5.8%2026-09-28 18:50
Coral🎯4.20I 23.81%NM 22.51%EV -6.51%E -1.55%K -2.03%G +0.000%1.22I 81.97%NM 77.49%EV -5.16%E -4.23%K -23.44%G +0.000%5.8%2026-09-28 23:35
888sport (SE)🎯4.20I 23.81%NM 22.51%EV -6.51%E -1.55%K -2.03%G +0.000%1.22I 81.97%NM 77.49%EV -5.16%E -4.23%K -23.44%G +0.000%5.8%2026-09-28 20:50
Mr Green (SE)🎯4.20I 23.81%NM 22.51%EV -6.51%E -1.55%K -2.03%G +0.000%1.22I 81.97%NM 77.49%EV -5.16%E -4.23%K -23.44%G +0.000%5.8%2026-09-29 00:30
PMU (FR)🎯4.20I 23.81%NM 21.64%EV -6.51%E -1.55%K -2.03%G +0.000%1.16I 86.21%NM 78.36%EV -9.82%E -8.47%K -61.39%G +0.000%10.0%2026-09-28 20:55
Betr (AU)🎯4.15I 24.10%NM 22.72%EV -7.62%E -1.84%K -2.42%G +0.000%1.22I 81.97%NM 77.28%EV -5.16%E -4.23%K -23.44%G +0.000%6.1%2026-09-29 02:04
theScore Bet🎯4.00I 25.00%NM 23.37%EV -10.96%E -2.74%K -3.65%G +0.000%1.22I 81.97%NM 76.63%EV -5.16%E -4.23%K -23.44%G +0.000%7.0%2026-09-28 19:04
betano_uk🎯4.00I 25.00%NM 23.08%EV -10.96%E -2.74%K -3.65%G +0.000%1.20I 83.33%NM 76.92%EV -6.71%E -5.59%K -33.56%G +0.000%8.3%2026-09-28 23:45
ReBet🎯4.00I 25.00%NM 23.08%EV -10.96%E -2.74%K -3.65%G +0.000%1.20I 83.33%NM 76.92%EV -6.71%E -5.59%K -33.56%G +0.000%8.3%2026-09-29 02:05
Bet Victor🎯4.00I 25.00%NM 23.08%EV -10.96%E -2.74%K -3.65%G +0.000%1.20I 83.33%NM 76.92%EV -6.71%E -5.59%K -33.56%G +0.000%8.3%2026-09-28 23:46
PlayUp🎯3.85I 25.97%NM 24.51%EV -14.30%E -3.71%K -5.02%G +0.000%1.25I 80.00%NM 75.49%EV -2.83%E -2.26%K -11.30%G +0.000%6.0%2026-09-29 02:09
Unibet (FR)🎯3.70I 27.03%NM 24.18%EV -17.64%E -4.77%K -6.53%G +0.000%1.18I 84.75%NM 75.82%EV -8.27%E -7.01%K -45.93%G +0.000%11.8%2026-09-28 23:40
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 (1)

BookmakerLocalVisitMargin ▲Updated
Smarkets◎3.85I 25.97%NM 23.61%1.19I 84.03%NM 76.39%10.0%2026-09-29 02:05