The School of Odds
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Houston Astros v Seattle Mariners

2026-08-16 23:20 UTC — MLB

Head to Head

52 sportsbooks (16 in analysis )

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

Houston Astros (Local)

Prediction 54.88%1.82fair odd
EV -1.22%
Edge -0.680%
Kelly -1.53%
Growth +0.000%

assuming max odds 1.80

Bookmakers’ predictions’ distribution
53.66%54.89%54.84%56.28%MIN.MEANMEDIANMAX.
Odds’ distribution
1.661.741.731.8060.24%57.57%57.80%55.56%MIN.MEANMEDIANMAX.

Seattle Mariners (Visit)

Prediction 45.12%2.22fair odd
EV -0.726%
Edge -0.330%
Kelly -0.605%
Growth +0.000%

assuming max odds 2.20

Bookmakers’ predictions’ distribution
43.72%45.11%45.16%46.34%MIN.MEANMEDIANMAX.
Odds’ distribution
2.002.122.132.2050.00%47.15%47.06%45.45%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Houston Astros (Local): 54.88%; Seattle Mariners (Visit): 45.12%. For Seattle Mariners (Visit), that estimate is equivalent to fair decimal odds of 2.22. No eligible bookmaker offers odds above that level: the best available odds are 2.20, with an expected value of -0.726%; they do not produce positive expected value.

Sportsbook Odds (52 sportsbooks)

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

BookmakerLocal ▼VisitMarginUpdated
Caesars🎯1.80I 55.56%NM 54.43%EV -1.22%E -0.680%K -1.53%G +0.000%2.15I 46.51%NM 45.57%EV -2.98%E -1.39%K -2.59%G +0.000%2.1%2026-08-15 18:29
1xBet🎯1.79I 55.87%NM 54.80%EV -1.77%E -0.991%K -2.24%G +0.000%2.17I 46.08%NM 45.20%EV -2.08%E -0.958%K -1.78%G +0.000%1.9%2026-08-15 18:49
GTbets🎯1.78I 56.18%NM 55.05%EV -2.32%E -1.30%K -2.98%G +0.000%2.18I 45.87%NM 44.95%EV -1.63%E -0.747%K -1.38%G +0.000%2.1%2026-08-15 20:24
BetUS🎯1.78I 56.18%NM 54.94%EV -2.32%E -1.30%K -2.98%G +0.000%2.17I 46.08%NM 45.06%EV -2.08%E -0.958%K -1.78%G +0.000%2.3%2026-08-15 23:24
BetOnline.ag🎯1.78I 56.18%NM 54.82%EV -2.32%E -1.30%K -2.98%G +0.000%2.16I 46.30%NM 45.18%EV -2.53%E -1.17%K -2.18%G +0.000%2.5%2026-08-15 18:29
LowVig.ag🎯1.78I 56.18%NM 54.82%EV -2.32%E -1.30%K -2.98%G +0.000%2.16I 46.30%NM 45.18%EV -2.53%E -1.17%K -2.18%G +0.000%2.5%2026-08-15 18:30
Hard Rock Bet🎯1.77I 56.50%NM 55.42%EV -2.87%E -1.62%K -3.73%G +0.000%2.20I 45.45%NM 44.58%EV -0.726%E -0.330%K -0.605%G +0.000%2.0%2026-08-15 23:34
Betway🎯1.77I 56.50%NM 54.85%EV -2.87%E -1.62%K -3.73%G +0.000%2.15I 46.51%NM 45.15%EV -2.98%E -1.39%K -2.59%G +0.000%3.0%2026-08-15 23:24
PointsBet (AU)🎯1.77I 56.50%NM 54.26%EV -2.87%E -1.62%K -3.73%G +0.000%2.10I 47.62%NM 45.74%EV -5.24%E -2.49%K -4.76%G +0.000%4.1%2026-08-15 18:39
Neds🎯1.77I 56.50%NM 53.66%EV -2.87%E -1.62%K -3.73%G +0.000%2.05I 48.78%NM 46.34%EV -7.49%E -3.66%K -7.14%G +0.000%5.3%2026-08-15 22:09
Ladbrokes (AU)🎯1.77I 56.50%NM 53.66%EV -2.87%E -1.62%K -3.73%G +0.000%2.05I 48.78%NM 46.34%EV -7.49%E -3.66%K -7.14%G +0.000%5.3%2026-08-15 22:09
Pinnacle🎯1.76I 56.82%NM 55.33%EV -3.42%E -1.94%K -4.50%G +0.000%2.18I 45.87%NM 44.67%EV -1.63%E -0.747%K -1.38%G +0.000%2.7%2026-08-15 23:44
MyBookie.ag🎯1.75I 57.14%NM 54.90%EV -3.97%E -2.27%K -5.29%G +0.000%2.13I 46.95%NM 45.10%EV -3.88%E -1.82%K -3.44%G +0.000%4.1%2026-08-16 00:33
BetAnything🎯1.75I 57.14%NM 54.90%EV -3.97%E -2.27%K -5.29%G +0.000%2.13I 46.95%NM 45.10%EV -3.88%E -1.82%K -3.44%G +0.000%4.1%2026-08-16 00:30
Ladbrokes (UK)🎯1.75I 57.14%NM 54.55%EV -3.97%E -2.27%K -5.29%G +0.000%2.10I 47.62%NM 45.45%EV -5.24%E -2.49%K -4.76%G +0.000%4.8%2026-08-15 22:09
Coral🎯1.75I 57.14%NM 54.55%EV -3.97%E -2.27%K -5.29%G +0.000%2.10I 47.62%NM 45.45%EV -5.24%E -2.49%K -4.76%G +0.000%4.8%2026-08-15 22:09
FanDuel🎯1.74I 57.47%NM 55.38%EV -4.52%E -2.60%K -6.10%G +0.000%2.16I 46.30%NM 44.62%EV -2.53%E -1.17%K -2.18%G +0.000%3.8%2026-08-15 22:09
Unibet (SE)🎯1.74I 57.47%NM 55.27%EV -4.52%E -2.60%K -6.10%G +0.000%2.15I 46.51%NM 44.73%EV -2.98%E -1.39%K -2.59%G +0.000%4.0%2026-08-15 23:49
Unibet (NL)🎯1.74I 57.47%NM 55.27%EV -4.52%E -2.60%K -6.10%G +0.000%2.15I 46.51%NM 44.73%EV -2.98%E -1.39%K -2.59%G +0.000%4.0%2026-08-15 23:49
BetRivers🎯1.74I 57.47%NM 55.27%EV -4.52%E -2.60%K -6.10%G +0.000%2.15I 46.51%NM 44.73%EV -2.98%E -1.39%K -2.59%G +0.000%4.0%2026-08-15 23:49
Svenska Spel🎯1.74I 57.47%NM 55.27%EV -4.52%E -2.60%K -6.10%G +0.000%2.15I 46.51%NM 44.73%EV -2.98%E -1.39%K -2.59%G +0.000%4.0%2026-08-15 23:49
theScore Bet🎯1.74I 57.47%NM 55.27%EV -4.52%E -2.60%K -6.10%G +0.000%2.15I 46.51%NM 44.73%EV -2.98%E -1.39%K -2.59%G +0.000%4.0%2026-08-16 00:09
DraftKings🎯1.74I 57.47%NM 55.04%EV -4.52%E -2.60%K -6.10%G +0.000%2.13I 46.95%NM 44.96%EV -3.88%E -1.82%K -3.44%G +0.000%4.4%2026-08-15 23:53
Fliff🎯1.74I 57.47%NM 54.69%EV -4.52%E -2.60%K -6.10%G +0.000%2.10I 47.62%NM 45.31%EV -5.24%E -2.49%K -4.76%G +0.000%5.1%2026-08-16 01:35
BetMGM🎯1.74I 57.47%NM 54.69%EV -4.52%E -2.60%K -6.10%G +0.000%2.10I 47.62%NM 45.31%EV -5.24%E -2.49%K -4.76%G +0.000%5.1%2026-08-15 22:14
LeoVegas (SE)🎯1.73I 57.80%NM 55.30%EV -5.07%E -2.93%K -6.94%G +0.000%2.14I 46.73%NM 44.70%EV -3.43%E -1.60%K -3.01%G +0.000%4.5%2026-08-15 23:49
Casumo🎯1.73I 57.80%NM 55.30%EV -5.07%E -2.93%K -6.94%G +0.000%2.14I 46.73%NM 44.70%EV -3.43%E -1.60%K -3.01%G +0.000%4.5%2026-08-15 23:49
Unibet🎯1.73I 57.80%NM 55.30%EV -5.07%E -2.93%K -6.94%G +0.000%2.14I 46.73%NM 44.70%EV -3.43%E -1.60%K -3.01%G +0.000%4.5%2026-08-15 23:49
ATG (SE)🎯1.73I 57.80%NM 55.30%EV -5.07%E -2.93%K -6.94%G +0.000%2.14I 46.73%NM 44.70%EV -3.43%E -1.60%K -3.01%G +0.000%4.5%2026-08-15 23:49
betPARX🎯1.73I 57.80%NM 55.30%EV -5.07%E -2.93%K -6.94%G +0.000%2.14I 46.73%NM 44.70%EV -3.43%E -1.60%K -3.01%G +0.000%4.5%2026-08-15 23:49
Bally Bet🎯1.73I 57.80%NM 55.30%EV -5.07%E -2.93%K -6.94%G +0.000%2.14I 46.73%NM 44.70%EV -3.43%E -1.60%K -3.01%G +0.000%4.5%2026-08-15 23:48
Bet Right🎯1.73I 57.80%NM 55.06%EV -5.07%E -2.93%K -6.94%G +0.000%2.12I 47.17%NM 44.94%EV -4.34%E -2.05%K -3.87%G +0.000%5.0%2026-08-15 22:29
Marathon Bet🎯1.73I 57.80%NM 54.95%EV -5.07%E -2.93%K -6.94%G +0.000%2.11I 47.39%NM 45.05%EV -4.79%E -2.27%K -4.31%G +0.000%5.2%2026-08-16 01:29
Unibet (UK)🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-15 21:54
Bet Victor🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-15 21:54
888sport🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-15 18:39
Betr (AU)🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-15 18:39
888sport (SE)🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-15 18:39
Mr Green (SE)🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-15 18:39
betano_uk🎯1.73I 57.80%NM 54.83%EV -5.07%E -2.93%K -6.94%G +0.000%2.10I 47.62%NM 45.17%EV -5.24%E -2.49%K -4.76%G +0.000%5.4%2026-08-16 01:39
Bovada🎯1.72I 58.14%NM 55.56%EV -5.61%E -3.26%K -7.80%G +0.000%2.15I 46.51%NM 44.44%EV -2.98%E -1.39%K -2.59%G +0.000%4.7%2026-08-15 22:09
PlayUp🎯1.72I 58.14%NM 55.21%EV -5.61%E -3.26%K -7.80%G +0.000%2.12I 47.17%NM 44.79%EV -4.34%E -2.05%K -3.87%G +0.000%5.3%2026-08-15 23:34
TABtouch🎯1.72I 58.14%NM 55.21%EV -5.61%E -3.26%K -7.80%G +0.000%2.12I 47.17%NM 44.79%EV -4.34%E -2.05%K -3.87%G +0.000%5.3%2026-08-15 23:49
SportsBet🎯1.72I 58.14%NM 54.97%EV -5.61%E -3.26%K -7.80%G +0.000%2.10I 47.62%NM 45.03%EV -5.24%E -2.49%K -4.76%G +0.000%5.8%2026-08-15 18:34
Winamax (DE)🎯1.72I 58.14%NM 54.97%EV -5.61%E -3.26%K -7.80%G +0.000%2.10I 47.62%NM 45.03%EV -5.24%E -2.49%K -4.76%G +0.000%5.8%2026-08-15 21:55
Betclic (FR)🎯1.72I 58.14%NM 54.86%EV -5.61%E -3.26%K -7.80%G +0.000%2.09I 47.85%NM 45.14%EV -5.69%E -2.72%K -5.22%G +0.000%6.0%2026-08-15 21:53
LiveScore Bet🎯1.70I 58.82%NM 55.26%EV -6.71%E -3.95%K -9.59%G +0.000%2.10I 47.62%NM 44.74%EV -5.24%E -2.49%K -4.76%G +0.000%6.4%2026-08-15 23:49
Virgin Bet🎯1.70I 58.82%NM 55.26%EV -6.71%E -3.95%K -9.59%G +0.000%2.10I 47.62%NM 44.74%EV -5.24%E -2.49%K -4.76%G +0.000%6.4%2026-08-15 23:49
Unibet (FR)🎯1.68I 59.52%NM 54.35%EV -7.81%E -4.65%K -11.48%G +0.000%2.00I 50.00%NM 45.65%EV -9.75%E -4.88%K -9.75%G +0.000%9.5%2026-08-15 23:24
Paddy Power🎯1.67I 59.88%NM 56.28%EV -8.36%E -5.00%K -12.47%G +0.000%2.15I 46.51%NM 43.72%EV -2.98%E -1.39%K -2.59%G +0.000%6.4%2026-08-15 22:08
Grosvenor🎯1.67I 59.88%NM 55.23%EV -8.36%E -5.00%K -12.47%G +0.000%2.06I 48.54%NM 44.77%EV -7.04%E -3.42%K -6.64%G +0.000%8.4%2026-08-15 23:49
Winamax (FR)🎯1.66I 60.24%NM 54.64%EV -8.91%E -5.37%K -13.50%G +0.000%2.00I 50.00%NM 45.36%EV -9.75%E -4.88%K -9.75%G +0.000%10.2%2026-08-15 21:54
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
Kalshi◎1.79I 55.87%NM 55.36%2.22I 45.05%NM 44.64%0.9%2026-08-16 01:30
Polymarket◎1.79I 55.87%NM 55.36%2.22I 45.05%NM 44.64%0.9%2026-08-15 18:29
Novig◎1.79I 55.87%NM 55.14%2.20I 45.45%NM 44.86%1.3%2026-08-16 01:45
ProphetX◎1.79I 55.87%NM 55.14%2.20I 45.45%NM 44.86%1.3%2026-08-16 00:55
Matchbook◎1.76I 56.82%NM 55.33%2.18I 45.87%NM 44.67%2.7%2026-08-16 01:45
Smarkets◎1.68I 59.52%NM 54.59%2.02I 49.50%NM 45.41%9.0%2026-08-15 23:35

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