NASCAR’s approach to measuring television ratings has taken a technological leap forward with a system dubbed Big Data + Panel.
The new methodology fuses conventional audience panels with real‑time viewership figures harvested from cable set‑top boxes and smart‑TV platforms, aiming to capture a more granular picture of who is watching each broadcast.
Because the sport’s fan base skews older, the updated counts often diverge from the traditional numbers that have long guided advertising rates and programming decisions.
Recent race performance under the new metric
In the most recent weekend, the Cup Series race streamed on Prime Video attracted 1.655 million viewers, a 12 percent decline from the previous year’s figure, while the O’Reilly Auto Parts Series on The CW drew 1.123 million viewers, marking a 14 percent increase over the prior season.
The shift to the hybrid metric comes with a caveat: the methodology was only rolled out in September, meaning that direct year‑over‑year comparisons now hinge on two different measurement frameworks.
The transition to the hybrid metric means that stakeholders must interpret ratings with caution, as the underlying data sources differ from those used in prior years.