Overnight ratings for Game 1 of the 2018 Finals were down slightly from 2017 with a 12.3.

The Game 1 rating is down just six percent from the all-time Game 1 high of the 2016 opener.

Game 1 overnight ratings of Warriors-Cavaliers by year:

2018 — 12.3
2017 — 12.4
2016 — 13.1
2015 — 12.9