The School of Odds
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Boston Red Sox v Seattle Mariners

2026-09-02 20:11 UTC — MLB

Head to Head

65 sportsbooks (20 in analysis )

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

Boston Red Sox (Local)

Prediction 55.22%1.81fair odd
EV -2.26%
Edge -1.27%
Kelly -2.93%
Growth +0.000%

assuming max odds 1.77

Bookmakers’ predictions’ distribution
53.95%55.20%55.23%55.84%MIN.MEANMEDIANMAX.
Odds’ distribution
1.661.731.731.7760.24%57.89%57.80%56.50%MIN.MEANMEDIANMAX.

Seattle Mariners (Visit)

Prediction 44.78%2.23fair odd
EV -1.49%
Edge -0.677%
Kelly -1.24%
Growth +0.000%

assuming max odds 2.20

Bookmakers’ predictions’ distribution
44.16%44.80%44.77%46.05%MIN.MEANMEDIANMAX.
Odds’ distribution
2.052.132.142.2048.78%46.89%46.73%45.45%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Boston Red Sox (Local): 55.22%; Seattle Mariners (Visit): 44.78%. For Seattle Mariners (Visit), that estimate is equivalent to fair decimal odds of 2.23. No eligible bookmaker offers odds above that level: the best available odds are 2.20, with an expected value of -1.49%; they do not produce positive expected value.

Sportsbook Odds (65 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
GTbets🎯1.77I 56.50%NM 55.42%EV -2.26%E -1.27%K -2.93%G +0.000%2.20I 45.45%NM 44.58%EV -1.49%E -0.677%K -1.24%G +0.000%2.0%2026-09-02 01:09
Caesars🎯1.77I 56.50%NM 55.42%EV -2.26%E -1.27%K -2.93%G +0.000%2.20I 45.45%NM 44.58%EV -1.49%E -0.677%K -1.24%G +0.000%2.0%2026-09-02 01:15
Everygame🎯1.77I 56.50%NM 55.42%EV -2.26%E -1.27%K -2.93%G +0.000%2.20I 45.45%NM 44.58%EV -1.49%E -0.677%K -1.24%G +0.000%2.0%2026-09-02 04:54
1xBet🎯1.77I 56.50%NM 55.30%EV -2.26%E -1.27%K -2.93%G +0.000%2.19I 45.66%NM 44.70%EV -1.94%E -0.885%K -1.63%G +0.000%2.2%2026-09-02 04:30
BetOnline.ag🎯1.77I 56.50%NM 55.19%EV -2.26%E -1.27%K -2.93%G +0.000%2.18I 45.87%NM 44.81%EV -2.39%E -1.09%K -2.02%G +0.000%2.4%2026-09-02 01:05
LowVig.ag🎯1.77I 56.50%NM 55.19%EV -2.26%E -1.27%K -2.93%G +0.000%2.18I 45.87%NM 44.81%EV -2.39%E -1.09%K -2.02%G +0.000%2.4%2026-09-02 01:10
BetUS🎯1.77I 56.50%NM 55.19%EV -2.26%E -1.27%K -2.93%G +0.000%2.18I 45.87%NM 44.81%EV -2.39%E -1.09%K -2.02%G +0.000%2.4%2026-09-02 01:55
Pinnacle🎯1.76I 56.82%NM 55.44%EV -2.81%E -1.60%K -3.69%G +0.000%2.19I 45.66%NM 44.56%EV -1.94%E -0.885%K -1.63%G +0.000%2.5%2026-09-02 01:55
FanDuel🎯1.75I 57.14%NM 55.24%EV -3.36%E -1.92%K -4.48%G +0.000%2.16I 46.30%NM 44.76%EV -3.28%E -1.52%K -2.83%G +0.000%3.4%2026-09-01 20:05
TAB🎯1.75I 57.14%NM 55.13%EV -3.36%E -1.92%K -4.48%G +0.000%2.15I 46.51%NM 44.87%EV -3.73%E -1.73%K -3.24%G +0.000%3.7%2026-09-02 03:30
BetAnything🎯1.75I 57.14%NM 55.01%EV -3.36%E -1.92%K -4.48%G +0.000%2.14I 46.73%NM 44.99%EV -4.18%E -1.95%K -3.66%G +0.000%3.9%2026-09-02 04:44
Betfair Sportsbook (UK)🎯1.75I 57.14%NM 54.55%EV -3.36%E -1.92%K -4.48%G +0.000%2.10I 47.62%NM 45.45%EV -5.97%E -2.84%K -5.43%G +0.000%4.8%2026-09-02 03:45
Tipico (DE)🎯1.75I 57.14%NM 53.95%EV -3.36%E -1.92%K -4.48%G +0.000%2.05I 48.78%NM 46.05%EV -8.21%E -4.00%K -7.82%G +0.000%5.9%2026-09-02 04:20
BetRivers🎯1.74I 57.47%NM 55.38%EV -3.91%E -2.25%K -5.29%G +0.000%2.16I 46.30%NM 44.62%EV -3.28%E -1.52%K -2.83%G +0.000%3.8%2026-09-02 04:30
Svenska Spel🎯1.74I 57.47%NM 55.38%EV -3.91%E -2.25%K -5.29%G +0.000%2.16I 46.30%NM 44.62%EV -3.28%E -1.52%K -2.83%G +0.000%3.8%2026-09-02 04:30
PointsBet (AU)🎯1.74I 57.47%NM 55.27%EV -3.91%E -2.25%K -5.29%G +0.000%2.15I 46.51%NM 44.73%EV -3.73%E -1.73%K -3.24%G +0.000%4.0%2026-09-01 20:05
theScore Bet🎯1.74I 57.47%NM 55.27%EV -3.91%E -2.25%K -5.29%G +0.000%2.15I 46.51%NM 44.73%EV -3.73%E -1.73%K -3.24%G +0.000%4.0%2026-09-01 20:10
MyBookie.ag🎯1.74I 57.47%NM 55.27%EV -3.91%E -2.25%K -5.29%G +0.000%2.15I 46.51%NM 44.73%EV -3.73%E -1.73%K -3.24%G +0.000%4.0%2026-09-01 20:15
Betway🎯1.74I 57.47%NM 55.27%EV -3.91%E -2.25%K -5.29%G +0.000%2.15I 46.51%NM 44.73%EV -3.73%E -1.73%K -3.24%G +0.000%4.0%2026-09-01 20:15
DraftKings🎯1.74I 57.47%NM 55.04%EV -3.91%E -2.25%K -5.29%G +0.000%2.13I 46.95%NM 44.96%EV -4.62%E -2.17%K -4.09%G +0.000%4.4%2026-09-02 01:14
Unibet (NL)🎯1.73I 57.80%NM 55.41%EV -4.46%E -2.58%K -6.12%G +0.000%2.15I 46.51%NM 44.59%EV -3.73%E -1.73%K -3.24%G +0.000%4.3%2026-09-02 04:30
Unibet (SE)🎯1.73I 57.80%NM 55.41%EV -4.46%E -2.58%K -6.12%G +0.000%2.15I 46.51%NM 44.59%EV -3.73%E -1.73%K -3.24%G +0.000%4.3%2026-09-02 04:30
Ladbrokes (UK)🎯1.73I 57.80%NM 55.41%EV -4.46%E -2.58%K -6.12%G +0.000%2.15I 46.51%NM 44.59%EV -3.73%E -1.73%K -3.24%G +0.000%4.3%2026-09-02 01:55
Coral🎯1.73I 57.80%NM 55.41%EV -4.46%E -2.58%K -6.12%G +0.000%2.15I 46.51%NM 44.59%EV -3.73%E -1.73%K -3.24%G +0.000%4.3%2026-09-02 01:55
Unibet (UK)🎯1.73I 57.80%NM 55.06%EV -4.46%E -2.58%K -6.12%G +0.000%2.12I 47.17%NM 44.94%EV -5.07%E -2.39%K -4.53%G +0.000%5.0%2026-09-01 20:10
Coolbet🎯1.73I 57.80%NM 55.06%EV -4.46%E -2.58%K -6.12%G +0.000%2.12I 47.17%NM 44.94%EV -5.07%E -2.39%K -4.53%G +0.000%5.0%2026-09-02 02:15
Paddy Power🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-01 20:04
betano_uk🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-01 20:10
Bet Victor🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-01 20:10
betfred_uk🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-01 22:25
Neds🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-02 01:55
Ladbrokes (AU)🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-02 01:55
William Hill🎯1.73I 57.80%NM 54.83%EV -4.46%E -2.58%K -6.12%G +0.000%2.10I 47.62%NM 45.17%EV -5.97%E -2.84%K -5.43%G +0.000%5.4%2026-09-02 02:59
Bovada🎯1.72I 58.14%NM 55.56%EV -5.02%E -2.92%K -6.97%G +0.000%2.15I 46.51%NM 44.44%EV -3.73%E -1.73%K -3.24%G +0.000%4.7%2026-09-02 04:29
Bet Right🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-01 23:55
Casumo🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-02 04:30
Unibet🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-02 04:30
LeoVegas (SE)🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-02 04:30
betPARX🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-02 04:30
Bally Bet🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-02 04:30
ATG (SE)🎯1.72I 58.14%NM 55.44%EV -5.02%E -2.92%K -6.97%G +0.000%2.14I 46.73%NM 44.56%EV -4.18%E -1.95%K -3.66%G +0.000%4.9%2026-09-02 04:30
NordicBet🎯1.72I 58.14%NM 55.21%EV -5.02%E -2.92%K -6.97%G +0.000%2.12I 47.17%NM 44.79%EV -5.07%E -2.39%K -4.53%G +0.000%5.3%2026-09-01 22:25
Betsson🎯1.72I 58.14%NM 55.21%EV -5.02%E -2.92%K -6.97%G +0.000%2.12I 47.17%NM 44.79%EV -5.07%E -2.39%K -4.53%G +0.000%5.3%2026-09-01 22:25
PlayUp🎯1.72I 58.14%NM 55.21%EV -5.02%E -2.92%K -6.97%G +0.000%2.12I 47.17%NM 44.79%EV -5.07%E -2.39%K -4.53%G +0.000%5.3%2026-09-01 22:25
Marathon Bet🎯1.72I 58.14%NM 55.21%EV -5.02%E -2.92%K -6.97%G +0.000%2.12I 47.17%NM 44.79%EV -5.07%E -2.39%K -4.53%G +0.000%5.3%2026-09-02 04:23
LeoVegas🎯1.72I 58.14%NM 55.21%EV -5.02%E -2.92%K -6.97%G +0.000%2.12I 47.17%NM 44.79%EV -5.07%E -2.39%K -4.53%G +0.000%5.3%2026-09-02 03:35
SportsBet🎯1.72I 58.14%NM 54.97%EV -5.02%E -2.92%K -6.97%G +0.000%2.10I 47.62%NM 45.03%EV -5.97%E -2.84%K -5.43%G +0.000%5.8%2026-09-01 20:05
Winamax (DE)🎯1.72I 58.14%NM 54.97%EV -5.02%E -2.92%K -6.97%G +0.000%2.10I 47.62%NM 45.03%EV -5.97%E -2.84%K -5.43%G +0.000%5.8%2026-09-01 20:55
Fanatics🎯1.71I 58.48%NM 55.70%EV -5.57%E -3.26%K -7.84%G +0.000%2.15I 46.51%NM 44.30%EV -3.73%E -1.73%K -3.24%G +0.000%5.0%2026-09-02 04:05
888sport🎯1.71I 58.48%NM 55.70%EV -5.57%E -3.26%K -7.84%G +0.000%2.15I 46.51%NM 44.30%EV -3.73%E -1.73%K -3.24%G +0.000%5.0%2026-09-01 23:55
888sport (SE)🎯1.71I 58.48%NM 55.70%EV -5.57%E -3.26%K -7.84%G +0.000%2.15I 46.51%NM 44.30%EV -3.73%E -1.73%K -3.24%G +0.000%5.0%2026-09-01 23:55
Mr Green (SE)🎯1.71I 58.48%NM 55.70%EV -5.57%E -3.26%K -7.84%G +0.000%2.15I 46.51%NM 44.30%EV -3.73%E -1.73%K -3.24%G +0.000%5.0%2026-09-01 23:55
Hard Rock Bet🎯1.71I 58.48%NM 55.70%EV -5.57%E -3.26%K -7.84%G +0.000%2.15I 46.51%NM 44.30%EV -3.73%E -1.73%K -3.24%G +0.000%5.0%2026-09-02 01:25
BetMGM🎯1.71I 58.48%NM 55.70%EV -5.57%E -3.26%K -7.84%G +0.000%2.15I 46.51%NM 44.30%EV -3.73%E -1.73%K -3.24%G +0.000%5.0%2026-09-02 01:55
TABtouch🎯1.71I 58.48%NM 55.35%EV -5.57%E -3.26%K -7.84%G +0.000%2.12I 47.17%NM 44.65%EV -5.07%E -2.39%K -4.53%G +0.000%5.6%2026-09-02 04:30
Fliff🎯1.71I 58.48%NM 55.12%EV -5.57%E -3.26%K -7.84%G +0.000%2.10I 47.62%NM 44.88%EV -5.97%E -2.84%K -5.43%G +0.000%6.1%2026-09-02 03:05
Betclic (FR)🎯1.71I 58.48%NM 55.12%EV -5.57%E -3.26%K -7.84%G +0.000%2.10I 47.62%NM 44.88%EV -5.97%E -2.84%K -5.43%G +0.000%6.1%2026-09-01 20:10
ReBet🎯1.71I 58.48%NM 55.12%EV -5.57%E -3.26%K -7.84%G +0.000%2.10I 47.62%NM 44.88%EV -5.97%E -2.84%K -5.43%G +0.000%6.1%2026-09-01 20:15
Betr (AU)🎯1.70I 58.82%NM 55.84%EV -6.12%E -3.60%K -8.74%G +0.000%2.15I 46.51%NM 44.16%EV -3.73%E -1.73%K -3.24%G +0.000%5.3%2026-09-01 23:55
Dabble (AU)🎯1.70I 58.82%NM 55.84%EV -6.12%E -3.60%K -8.74%G +0.000%2.15I 46.51%NM 44.16%EV -3.73%E -1.73%K -3.24%G +0.000%5.3%2026-09-02 03:25
LiveScore Bet🎯1.70I 58.82%NM 55.26%EV -6.12%E -3.60%K -8.74%G +0.000%2.10I 47.62%NM 44.74%EV -5.97%E -2.84%K -5.43%G +0.000%6.4%2026-09-02 04:30
Virgin Bet🎯1.70I 58.82%NM 55.26%EV -6.12%E -3.60%K -8.74%G +0.000%2.10I 47.62%NM 44.74%EV -5.97%E -2.84%K -5.43%G +0.000%6.4%2026-09-02 04:30
Unibet (FR)🎯1.68I 59.52%NM 54.96%EV -7.23%E -4.30%K -10.63%G +0.000%2.05I 48.78%NM 45.04%EV -8.21%E -4.00%K -7.82%G +0.000%8.3%2026-09-02 02:15
Winamax (FR)🎯1.68I 59.52%NM 54.96%EV -7.23%E -4.30%K -10.63%G +0.000%2.05I 48.78%NM 45.04%EV -8.21%E -4.00%K -7.82%G +0.000%8.3%2026-09-01 20:55
Grosvenor🎯1.66I 60.24%NM 55.38%EV -8.33%E -5.02%K -12.62%G +0.000%2.06I 48.54%NM 44.62%EV -7.76%E -3.77%K -7.32%G +0.000%8.8%2026-09-02 04:30
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 (7)

BookmakerLocalVisitMargin ▲Updated
BetOpenly◎1.80I 55.56%NM 55.56%2.25I 44.44%NM 44.44%0.0%2026-09-02 04:55
ProphetX◎1.78I 56.18%NM 55.94%2.26I 44.25%NM 44.06%0.4%2026-09-02 03:10
Kalshi◎1.79I 55.87%NM 55.36%2.22I 45.05%NM 44.64%0.9%2026-09-02 01:05
Polymarket◎1.82I 54.95%NM 54.39%2.17I 46.08%NM 45.61%1.0%2026-09-01 20:05
Novig◎1.75I 57.14%NM 56.47%2.27I 44.05%NM 43.53%1.2%2026-09-02 04:55
Matchbook◎1.75I 57.14%NM 54.78%2.12I 47.17%NM 45.22%4.3%2026-09-02 04:45
Smarkets◎1.65I 60.61%NM 55.28%2.04I 49.02%NM 44.72%9.6%2026-09-02 00:10