NASCAR has been shoring up the industry focusing on key economic indicators such as attendance, television ratings, and more have lagged following massive growth in the early 2000s. With some tracks hosting multiple races a year and the contracts that hamstring NASCAR, the ability to possibly shorten the schedule is problematic. The purchase by NASCAR would take ISC back to private and mask earnings reports. That plays into a larger strategy of NASCAR controlling their narrative as they deal with poor optics of sparsely attended races. Looking ahead, NASCAR sees television ratings for the season up slightly.
Source: Forbes May 23, 2019 19:07 UTC