2020-21 NBA Season: An ATS Review of the First Four Months

by Al McMordie

Saturday, Apr 17, 2021
We're almost four months into this COVID-impacted NBA season.  So, let's take a look at how the season has shaped up thus far, from a point spread perspective.

The first thing which jumps out is the fact that the road teams have outperformed the home teams so far this season.  Through April 16, the home teams are 396-433-7 ATS, while the road teams are (obviously) 433-396-7 ATS.  

The split between favorites and underdogs is tighter.  NBA favorites are above .500 at 423-406-7 ATS, which would mean the underdogs are the reverse, at 406-423-7 ATS.

Away favorites are 189-162-4 ATS, while home favorites are under .500, at 234-244-3 ATS.  Of course, that would mean home dogs are 162-189-4 ATS, with road underdogs at 244-234-3 ATS.

Unrested NBA teams are 125-112-3 ATS vs. rested opponents.

Teams off wins are 227-228-4 ATS vs. opponents off a loss.

In match-ups between two teams that are each off a win, the road team has gone 101-77-3 ATS, while home teams have had the edge in match-ups between two teams that were each off a loss, as they've gone 92-88 ATS.

One of the most interesting datapoints involves match-ups between winning clubs.  In these games, the favorites have rolled to a 93-65 ATS record, including 38-16 ATS if the underdog was off a straight-up loss.  However, match-ups between two losing teams have not produced any interesting data, as the home teams have gone 88-89-3 ATS, while the favorites have gone 91-86-3 ATS.  Finally, match-ups between a winning club, and a losing opponent have seen underdogs with a winning record go 35-18 ATS vs. favorites with a losing record, including 28-12 ATS on the road!  But underdogs with a losing record are much closer to .500, at 151-142-2 ATS vs. favorites with a winning record.  And road teams have also held the edge, generally, in match-ups between winning and losing clubs, as the road teams have gone 190-156-2 ATS.

Finally, division match-ups have favored the road teams, as they've gone 78-59-3 ATS, including 45-34-1 with revenge (and 8-3-1 ATS with double revenge).  And, speaking of revenge, this season has been good to revenge-minded clubs, as they've gone 222-190-4 ATS, including 24-16-2 ATS with double-revenge.

Good luck, as always...
Al McMordie

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