Postseason Odds

Playing the rest of the season a million times

by Clay Davenport

See the Forecast-adjusted version of this report.

Generated Tue May 26 07:52:21 AM EDT 2026


Average wins by position in AL East:  99.8 92.1 82.5 75.8 68.8
AL East           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs      1D Change 7D Change
Rays              34   17   .549   95.5   66.5   48.27580   48.95300   97.22880       -0.35381    .48420
Yankees           32   22   .585   95.7   66.3   49.14620   48.38190   97.52810         .54900  -0.32940
Blue Jays         25   29   .507   80.2   81.8    1.89430   42.08230   43.97660       -2.26160  16.05900
Orioles           24   30   .452   72.3   89.7     .13900    9.93510   10.07410        1.67560   1.80320
Red Sox           22   30   .492   75.5   86.5     .54470   19.59130   20.13600        1.97750  -0.45090

Average wins by position in AL Central:  88.8 82.6 78.2 73.9 68.4
AL Central        W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs      1D Change 7D Change
Guardians         32   24   .495   85.5   76.5   53.68300   19.63800   73.32100       -5.58920   4.64430
White Sox         27   26   .472   78.8   83.2   17.16290   19.43570   36.59860        5.94210  -5.17920
Twins             26   28   .493   79.4   82.6   18.63860   21.14100   39.77960       -0.77800  12.83710
Royals            22   32   .476   73.8   88.2    4.90580    9.68580   14.59160         .22440  -9.75190
Tigers            21   33   .487   74.3   87.7    5.60970   10.43950   16.04920         .80680 -14.60650

Average wins by position in AL west:  86.4 80.8 76.4 71.8 66.0
AL West           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs      1D Change 7D Change
Athletics         27   27   .460   77.4   84.6   19.17360   12.53100   31.70460       -5.89060    .52290
Mariners          26   29   .498   79.8   82.2   29.76350   15.09330   44.85680        7.84410  -1.17590
Rangers           24   29   .517   81.7   80.3   41.49880   14.61100   56.10980       -8.57650  -7.97290
Astros            24   31   .446   72.2   89.8    5.67690    5.18260   10.85950        4.02990   6.49540
Angels            20   34   .462   70.2   91.8    3.88720    3.29850    7.18570         .40030  -3.37940

Average wins by AL Wild Card:  92.4 85.5 85.3

Average wins by position in NL East:  100.4 86.9 80.8 75.2 67.7
NL East           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs      1D Change 7D Change
Braves            36   18   .591  100.1   61.9   92.46130    5.77810   98.23940       -0.12250   1.33270
Nationals         28   27   .507   82.8   79.2    3.85720   33.26060   37.11780        7.88360  21.18890
Phillies          27   27   .471   76.5   85.5     .74860   10.60340   11.35200         .32440  -9.10720
Marlins           26   29   .523   81.6   80.4    2.82750   28.09300   30.92050        2.10530   1.41510
Mets              22   32   .456   70.0   92.0     .10540    1.65710    1.76250       -0.82950  -4.84210

Average wins by position in NL Central:  98.4 90.0 84.6 79.3 71.3
NL Central        W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs      1D Change 7D Change
Brewers           31   20   .588   96.8   65.2   72.32030   22.09240   94.41270        2.67519   9.66759
Cardinals         29   23   .490   82.3   79.7    5.07320   29.64550   34.71870       -7.79770  -7.52930
Cubs              29   25   .540   87.1   74.9   14.29370   47.25070   61.54440       -3.80610 -23.39500
Reds              28   25   .431   73.1   88.9     .35720    4.71260    5.06980         .30160   1.45520
Pirates           28   26   .533   84.4   77.6    7.95560   38.40550   46.36110        2.23630   6.45370

Average wins by position in NL West:  102.5 87.2 79.8 71.8 61.8
NL West           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs      1D Change 7D Change
Dodgers           34   20   .624  102.2   59.8   94.20230    4.97370   99.17600         .05580   2.63060
Padres            31   22   .475   81.5   80.5    1.72990   28.49560   30.22550       -5.28460 -10.44830
Diamondbacks      29   24   .512   84.3   77.7    3.98960   41.58130   45.57090        3.61290  12.51450
Giants            22   32   .464   72.2   89.8     .07750    3.33990    3.41740       -1.34730  -0.62010
Rockies           20   35   .408   62.9   99.1     .00070     .11060     .11130       -0.00740  -0.71630

Average wins by NL Wild Card:  92.5 88.8 85.9

As the title says, the post-season odds report was compiled by running a Monte Carlo simulation of the rest of the season one million times. Current wins, losses and expected winning percentages are taken from the Adjusted Standings Report.

Expected winning percentages (EWP) for each team starts with their W3 and L3 from the Adjusted Standings. A regression is applied to derive the EWP for the rest of the season, which is going to be between the current winning percentage and .500. To allow for uncertainty in the EWP, a normal distribution centered on the EWP is randomly sampled, and that value is used for the remainder of the season in that iteration. To simulate the normal 4% home-field advantage, the home team gets a .020 point bonus, while the visitors take a 0.020 penalty. The likelihood of winning each game is determined by the log5 method. W and L are the team's wins and losses through yesterday's games.

Pct3 is the expected winning percentage, taken from W3 and L3, with the regression-to-mean component.

Avg W and Avg L are the average number of wins and losses each team finishes over the million season iterations.

Champions is how often, in percentage terms, this team won the championship of their division. Ties are not broken, but credited as 0.5 championships apiece (for a two-way tie), .333 apiece for a three-way tie, .25 for four-way, etc. This is why the final decimal place is not an error!

Wild Card is how often, in percentage terms, this team won the wild card. As with championships, ties are not broken, but apportioned among the tied teams.

Playoffs is how often, in percentage terms, the team either wins the division or the wild card.