The School of Odds
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St. Louis Cardinals v Miami Marlins

Kickoff: 2026-03-21 17:05 UTC

Closing line — the calculated probabilities and expected value from the last prices recorded before kickoff, under your selected model. The game has started, so these are not live figures. Assess the reliability of each model's probability predictions against all settled-game outcomes →

Head to Head

18 sportsbooks (9 in analysis )

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

St. Louis Cardinals (Local)

Prediction 47.02%2.13fair odd
EV -1.27%
Edge -0.602%
Kelly -1.15%
Growth +0.000%

assuming max odds 2.10

Bookmakers’ predictions’ distribution
45.74%47.58%46.95%50.00%MIN.MEANMEDIANMAX.
Odds’ distribution
1.912.002.012.1052.36%49.94%49.75%47.62%MIN.MEANMEDIANMAX.

Miami Marlins (Visit)

Prediction 52.98%1.89fair odd
EV +1.20%
Edge +0.627%
Kelly +1.32%
Growth +0.016%

assuming max odds 1.91

Bookmakers’ predictions’ distribution
50.00%52.42%53.05%54.26%MIN.MEANMEDIANMAX.
Odds’ distribution
1.771.821.801.9156.50%55.03%55.56%52.36%MIN.MEANMEDIANMAX.

At the last prices before kickoff, Interquartile mean (Vetted List) estimated these probabilities for Head to Head: St. Louis Cardinals (Local): 47.02%; Miami Marlins (Visit): 52.98%. For Miami Marlins (Visit), that estimate was equivalent to fair decimal odds of 1.89. 4 bookmakers offered closing odds above that level; the best were 1.91, corresponding to a positive expected value of +1.20%.

Sportsbook Odds (18 sportsbooks)

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

BookmakerLocalVisit ▼MarginUpdated
Pinnacle🎯1.94I 51.55%NM 49.61%EV -8.79%E -4.53%K -9.35%G +0.000%1.91I 52.36%NM 50.39%EV +1.20%E +0.627%K +1.32%G +0.016%3.9%2026-03-21 17:00
BetRivers🎯1.91I 52.36%NM 50.00%EV -10.20%E -5.34%K -11.21%G +0.000%1.91I 52.36%NM 50.00%EV +1.20%E +0.627%K +1.32%G +0.016%4.7%2026-03-21 12:30
betPARX🎯1.91I 52.36%NM 50.00%EV -10.20%E -5.34%K -11.21%G +0.000%1.91I 52.36%NM 50.00%EV +1.20%E +0.627%K +1.32%G +0.016%4.7%2026-03-21 12:30
Bovada🎯1.93I 51.81%NM 49.48%EV -9.26%E -4.80%K -9.95%G +0.000%1.89I 52.91%NM 50.52%EV +0.139%E +0.073%K +0.156%G +0.000%4.7%2026-03-21 16:59
FanDuel🎯2.02I 49.50%NM 47.26%EV -5.03%E -2.49%K -4.93%G +0.000%1.81I 55.25%NM 52.74%EV -4.10%E -2.27%K -5.06%G +0.000%4.8%2026-03-21 14:24
LowVig.ag🎯2.05I 48.78%NM 46.75%EV -3.62%E -1.76%K -3.44%G +0.000%1.80I 55.56%NM 53.25%EV -4.63%E -2.57%K -5.79%G +0.000%4.3%2026-03-21 14:24
BetOnline.ag🎯2.05I 48.78%NM 46.75%EV -3.62%E -1.76%K -3.44%G +0.000%1.80I 55.56%NM 53.25%EV -4.63%E -2.57%K -5.79%G +0.000%4.3%2026-03-21 14:24
Caesars🎯2.05I 48.78%NM 46.75%EV -3.62%E -1.76%K -3.44%G +0.000%1.80I 55.56%NM 53.25%EV -4.63%E -2.57%K -5.79%G +0.000%4.3%2026-03-21 14:27
DraftKings🎯2.05I 48.78%NM 46.75%EV -3.62%E -1.76%K -3.44%G +0.000%1.80I 55.56%NM 53.25%EV -4.63%E -2.57%K -5.79%G +0.000%4.3%2026-03-21 14:30
Hard Rock Bet🎯2.05I 48.78%NM 46.75%EV -3.62%E -1.76%K -3.44%G +0.000%1.80I 55.56%NM 53.25%EV -4.63%E -2.57%K -5.79%G +0.000%4.3%2026-03-21 14:29
BetMGM🎯2.05I 48.78%NM 46.75%EV -3.62%E -1.76%K -3.44%G +0.000%1.80I 55.56%NM 53.25%EV -4.63%E -2.57%K -5.79%G +0.000%4.3%2026-03-21 14:24
MyBookie.ag🎯2.02I 49.50%NM 47.12%EV -5.03%E -2.49%K -4.93%G +0.000%1.80I 55.56%NM 52.88%EV -4.63%E -2.57%K -5.79%G +0.000%5.1%2026-03-21 14:33
theScore Bet🎯2.00I 50.00%NM 47.37%EV -5.97%E -2.98%K -5.97%G +0.000%1.80I 55.56%NM 52.63%EV -4.63%E -2.57%K -5.79%G +0.000%5.6%2026-03-21 14:30
Fliff🎯1.91I 52.36%NM 48.52%EV -10.20%E -5.34%K -11.21%G +0.000%1.80I 55.56%NM 51.48%EV -4.63%E -2.57%K -5.79%G +0.000%7.9%2026-03-21 15:24
BetAnything🎯2.10I 47.62%NM 45.74%EV -1.27%E -0.602%K -1.15%G +0.000%1.77I 56.50%NM 54.26%EV -6.22%E -3.51%K -8.08%G +0.000%4.1%2026-03-21 14:25
ReBet🎯2.00I 50.00%NM 46.95%EV -5.97%E -2.98%K -5.97%G +0.000%1.77I 56.50%NM 53.05%EV -6.22%E -3.51%K -8.08%G +0.000%6.5%2026-03-21 16:10
Fanatics🎯2.00I 50.00%NM 46.95%EV -5.97%E -2.98%K -5.97%G +0.000%1.77I 56.50%NM 53.05%EV -6.22%E -3.51%K -8.08%G +0.000%6.5%2026-03-21 14:29
BetUS🎯2.00I 50.00%NM 46.95%EV -5.97%E -2.98%K -5.97%G +0.000%1.77I 56.50%NM 53.05%EV -6.22%E -3.51%K -8.08%G +0.000%6.5%2026-03-21 14:24
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 (3)

BookmakerLocalVisitMargin ▲Updated
ProphetX◎2.07I 48.31%NM 47.86%1.90I 52.63%NM 52.14%0.9%2026-03-21 16:59
Kalshi◎2.04I 49.02%NM 48.48%1.92I 52.08%NM 51.52%1.1%2026-03-21 14:34
Novig◎2.05I 48.78%NM 48.23%1.91I 52.36%NM 51.77%1.1%2026-03-21 16:59