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# Circana-Best Buy study finds retail media halo reaches rival retailers
- URL: https://www.medianexis.com/circana-best-buy-study-finds-retail-media-halo-reaches-rival-retailers/
- Published: 2026-10-08T22:59:28.000Z
- Updated: 2026-10-08T22:59:28.000Z
- Description: Circana is reporting, with Best Buy Ads, findings from a marketing mix modeling study showing Best Buy Ads delivered 79% higher ROAS than other media based on total U.S. Best Buy sales.
- Author: The Signals Desk
- Tags: Retail-media, Best Buy launches on TikTok Shop

**Why it matters.** Advertisers gain an independent, cross-retailer measurement case for justifying retail media budgets beyond last-click sales inside a single retailer’s walls.

*Signal from* [*markets.businessinsider.com*](https://markets.businessinsider.com/?ref=medianexis.com) *·* [*read the original*](https://markets.businessinsider.com/news/stocks/new-study-from-circana-and-best-buy-ads-shows-retail-media-s-reach-goes-far-beyond-the-click-1036605442?ref=medianexis.com)*.*