In the October 2023 Big Data analysis of girl group brand reputation, the results indicated that NewJeans ranked first, followed by IVE in second place, and BLACKPINK in third place.

The Korea Corporate Reputation Research Institute measured brand big data from September 9, 2023, to October 9, 2023, totaling 49,593,553 data points, to analyze the brand reputation index for girl groups. The index was calculated based on participation, media, communication, and community indices. Compared to the previous month, September, the girl group brand big data decreased by 8.72%, which had a total of 54,329,852 data points.

The brand reputation index Korea is an indicator created through the analysis of brand big data, which reveals that consumers' online habits significantly influence brand consumption. The girl group brand reputation index measures the positive and negative evaluations of girl groups, media interest, consumer interest, and communication volume. It also includes channel analysis from the brand reputation monitor.