What it is
Broadcast ratings quantify audience size for television programs, including live sports, by estimating the number of viewers or households watching. Companies like Nielsen use various methodologies, including meters in sample homes and surveys, to gather data. The "rating" represents the percentage of all TV households tuned in, while the "share" represents the percentage of households *with their TVs on* that are tuned in.
High broadcast ratings for sports events directly influence the value of media rights deals for leagues and conferences. Advertisers pay more for commercial slots during programs with large, engaged audiences, making ratings a critical metric for networks and content creators. Investors track ratings to gauge the health of sports leagues, the effectiveness of marketing campaigns, and the potential for future revenue growth from advertising and subscriptions, impacting media stock performance.
Why it matters
Ratings drive advertising revenue and media rights values, directly impacting the financial health of sports leagues and broadcasters.
Reviewed under editorial standardsUpdated September 26, 2026Not investment advice