Thursday, April 11, 2019

NBA Playoffs 2019 Bracket Math

As I did for NHL, I've compiled 10,000 simulation runs using each team's Pythagorean expectation for the upcoming NBA playoffs. While I haven't kept up this model in a few years, I was very successful with it back in 2015 and 2014

That being said, this year's iteration definitely has some surprising results:


TeamSecond RoundConf FinalsNBA FinalsChampion
Western Conf
Golden State87.42%53.63%38.32%15.56%
LA Clippers12.58%2.35%0.50%0.06%
Houston48.09%19.91%11.62%3.51%
Utah51.91%24.11%14.90%5.21%
Portland57.81%33.17%12.56%3.03%
Oklahoma City42.19%20.48%6.09%1.19%
Denver70.08%36.40%13.94%3.41%
San Antonio29.92%9.95%2.07%0.25%
Eastern Conf
Milwaukee96.44%80.54%63.35%49.31%
Detroit3.56%0.71%0.12%0.00%
Boston60.56%12.04%5.80%2.57%
Indiana39.44%6.71%2.76%0.95%
Philadelphia72.47%23.39%3.81%1.19%
Brooklyn27.53%3.96%0.32%0.05%
Toronto86.72%67.40%23.34%13.65%
Orlando13.28%5.25%0.50%0.06%

I don't take into account any type of playoff experience bump
like FiveThirtyEight does, so a couple of the above numbers stand out:
  • Milwaukee as an almost 1 in 2 favorite! Maybe there is some value on them relative to their 6/1 title odds in Vegas, but the Warriors projection seems just a tad low
  • Utah over Houston in Round 1!! I actually have Utah as the 2nd strongest team in the West (see below), and this is reflected in their second best chances to come out of the West too
  • Detroit with literally a 0.00% chance to win it all. Over 10,000 sims, this is actually very hard to achieve. 10,000 different possible versions of reality and not in ONE did they win the title
Maybe this will all look clairvoyant when Giannis clinches Finals MVP in Game 5 over the Warriors, which my model shows has a very elevated 6.5% chance of happening.



Western ConfPythRank
Golden State0.7192
Denver0.6478
Portland0.6497
Houston0.6705
Utah0.6874
Oklahoma City0.62210
San Antonio0.56312
LA Clippers0.52913
Eastern Conf
Milwaukee0.7821
Toronto0.7093
Philadelphia0.59711
Boston0.6596
Indiana0.6259
Brooklyn0.50015
Orlando0.52714
Detroit0.48816

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