MLB playoff odds are based on 25000 simulations of the rest of the season and playoffs. The team's estimated quality is determined by their performance over their last 100 regular season games (even if it spans seasons) and includes a regression to the mean factor. These results are based on standings through 1918-09-02. This page does not update during the postseason.

Playoff Odds Table
Current Remaining Average 90% Confidence Change
Tm Lg SRS rSOS W L W L W L Best Worst Pennant Win WS 1 Day 7 Days 30 Days
NL
1Chicago CubsNL1.00.084450.00.084.045.084-4584-45>99.9%52.3%0.0%0.0%+4.8%
2New York GiantsNL0.10.071530.00.071.053.071-5371-53<0.1%<0.1%0.0%0.0%-4.7%
3Cincinnati RedsNL0.40.06860-1.00.067.060.067-6067-60<0.1%<0.1%0.0%0.0%0.0%
4Pittsburgh PiratesNL0.40.065600.00.065.060.065-6065-60<0.1%<0.1%0.0%0.0%0.0%
5Brooklyn RobinsNL-0.60.157690.00.057.069.057-6957-69<0.1%<0.1%0.0%0.0%0.0%
6Philadelphia PhilliesNL-0.40.155680.00.055.068.055-6855-68<0.1%<0.1%0.0%0.0%0.0%
7Boston BravesNL-0.20.053710.00.053.071.053-7153-71<0.1%<0.1%0.0%0.0%0.0%
8St. Louis CardinalsNL-0.60.151780.0-1.051.077.051-7751-77<0.1%<0.1%0.0%0.0%0.0%
Current Remaining Average 90% Confidence Change
Tm Lg SRS rSOS W L W L W L Best Worst Pennant Win WS 1 Day 7 Days 30 Days
AL
1Boston Red SoxAL0.80.075510.00.075.051.075-5175-51>99.9%47.7%0.0%+2.2%+12.1%
2Cleveland IndiansAL0.50.073540.00.073.054.073-5473-54<0.1%<0.1%0.0%-1.8%-9.8%
3Washington NationalsAL0.4-0.172560.00.072.056.072-5672-56<0.1%<0.1%0.0%-0.3%-2.2%
4New York YankeesAL0.00.160630.00.060.063.060-6360-63<0.1%<0.1%0.0%0.0%-0.1%
5St. Louis BrownsAL-0.20.058640.00.058.064.058-6458-64<0.1%<0.1%0.0%0.0%0.0%
6Chicago White SoxAL-0.10.157670.0-1.057.066.057-6657-66<0.1%<0.1%0.0%0.0%0.0%
7Detroit TigersAL-0.40.15571-1.00.054.071.054-7154-71<0.1%<0.1%0.0%0.0%0.0%
8Philadelphia AthleticsAL-1.00.152760.00.052.076.052-7652-76<0.1%<0.1%0.0%0.0%0.0%