NBA Finals Ratings Impress Even With Nielsen Measurement Context

In earning their first NBA title in 53 years, the New York Knicks gifted the league and ABC the biggest TV turnout since Michael Jordan celebrated his final championship in 1998.

According to Nielsen Big Data + Panel estimates, the Knicks’ five-game defeat of the favored San Antonio Spurs averaged 20.6 million viewers per night, making this year’s installment of the Finals the most-watched since the Chicago Bulls beat the Utah Jazz in six games. Over the course of what would prove to be Jordan’s sixth and final NBA Finals triumph, NBC 28 years ago averaged a record-high 29 million viewers.

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The Knicks’ historic victory doubled the TV turnout from a year ago, when ABC averaged 10.2 million viewers per broadcast.

Game 5, in which the Knicks once again demonstrated that no Spurs lead was ever safe, served up 24.54 million viewers on ABC Saturday night, peaking at 33 million as the clock ran out at Frost Bank Center. That edged ABC and ESPN’s combined deliveries for Game 3, which boasted 23.79 million viewers.

While the NBA Finals enjoyed a bit of a boost by way of Nielsen’s upgrade to its ratings measurement scheme, the Knicks-Spurs series likely would have been the most-watched since at least 2017 without the currency lift. That five-game Warriors-Cavs outing averaged 20.4 million viewers per game and now stands as ABC’s second most-watched title tilt since it resumed airing the best-of-seven series in 2003.

Per Nielsen, Knicks-Spurs now stands as the NBA’s ninth most-watched Finals since the People Meter era began in 1988.

Comparisons to past years are also skewed by Nielsen’s addition of out-of-home estimates to its national TV sample in fall 2020. Since the OOH numbers were officially incorporated into the vanilla TV numbers, live sports have been the primary beneficiary of viewing in bars, restaurants and other public (and not-so-public) venues. Nielsen also tallies impressions served up within the comfort of other people’s homes; since the initial rollout six years ago, the company has since expanded its OOH coverage to 100% of its markets in the lower 48 states.

The impact of OOH deliveries may be obliquely apprehended by way of comparing the household ratings from the final days of NBC’s previous stewardship of the NBA Finals to this month’s numbers. The aforementioned Bulls-Jazz set averaged an 18.7 household rating, with 33% of all TVs in use at the time of the live broadcasts tuned into NBC. The Knicks-Spurs series averaged a 10.0 HH rating.

In other words, while ABC’s average deliveries were off 29% compared to NBC’s 1998 average, its household rating was off by nearly half (-47%). That OOH has had such a demonstrable impact on live-sports impressions is particularly noteworthy, as it was former ESPN ad sales chief Ed Erhardt who brokered the very first OOH deal with a media-buying agency—and in so doing, kicked open the door to a long overlooked subset of fans.

In 2018, Rita Ferro succeeded the retiring Erhardt as the ESPN sales boss under a new title (president, Disney ad sales). Last year, Ferro’s team generated $4.44 billion in ad sales at the sports unit alone, as the ESPN unit raked in $10.8 billion in total revenue.

While Disney’s NBA sales numbers are still being tallied, media buyers expect data to show that this year’s series blew past the $288 million in advertising ABC captured with the seven-game Pacers-Thunder Finals in 2025. Scatter rates for Game 5 were said to have reached up to $1.4 million per 30-second unit, while spots secured in the 2025-26 upfront bazaar came in at around $850,000 a pop over the length of the series.

As a bonus, Disney gets to keep all the ad money it took in during the Finals, as not a single compensatory makegood unit had to be put into service to placate advertisers.

The massive crowds whipped up by the Knicks and Spurs effectively guarantees that three NBA games will land on the list of the 100 most-watched broadcasts of 2026. The last time an NBA broadcast earned a place in that lineup was in 2019, when Games 5 and 6 of the Raptors-Warriors series broke the 18.3 million-viewer mark.

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