The School of Odds
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Round Rock Express v Tacoma Rainiers

2026-09-20 00:05 UTC — MiLB

Head to Head

7 sportsbooks (4 in analysis )

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

Round Rock Express (Local)

Prediction 50.00%2.00fair odd
EV -4.50%
Edge -2.36%
Kelly -4.95%
Growth +0.000%

assuming max odds 1.91

Bookmakers’ predictions’ distribution
50.00%50.00%50.00%50.00%MIN.MEANMEDIANMAX.
Odds’ distribution
1.871.881.871.9153.48%53.23%53.48%52.36%MIN.MEANMEDIANMAX.

Tacoma Rainiers (Visit)

Prediction 50.00%2.00fair odd
EV -4.50%
Edge -2.36%
Kelly -4.95%
Growth +0.000%

assuming max odds 1.91

Bookmakers’ predictions’ distribution
50.00%50.00%50.00%50.00%MIN.MEANMEDIANMAX.
Odds’ distribution
1.871.881.871.9153.48%53.23%53.48%52.36%MIN.MEANMEDIANMAX.

For Head to Head, Interquartile mean (Vetted List) estimates these probabilities: Round Rock Express (Local): 50.00%; Tacoma Rainiers (Visit): 50.00%. For Round Rock Express (Local), that estimate is equivalent to fair decimal odds of 2.00. No eligible bookmaker offers odds above that level: the best available odds are 1.91, with an expected value of -4.50%; they do not produce positive expected value.

Sportsbook Odds (7 sportsbooks)

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BookmakerLocal ▼VisitMarginUpdated
1xBet🎯1.91I 52.36%NM 50.00%EV -4.50%E -2.36%K -4.95%G +0.000%1.91I 52.36%NM 50.00%EV -4.50%E -2.36%K -4.95%G +0.000%4.7%2026-09-19 17:17
FanDuel🎯1.89I 52.91%NM 50.00%EV -5.50%E -2.91%K -6.18%G +0.000%1.89I 52.91%NM 50.00%EV -5.50%E -2.91%K -6.18%G +0.000%5.8%2026-09-19 17:04
Hard Rock Bet🎯1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%7.0%2026-09-19 18:09
theScore Bet🎯1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%7.0%2026-09-19 17:05
BetOnline.ag🎯1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%7.0%2026-09-19 17:14
Caesars🎯1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%7.0%2026-09-19 17:13
Bovada🎯1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%1.87I 53.48%NM 50.00%EV -6.50%E -3.48%K -7.47%G +0.000%7.0%2026-09-19 17:16
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.