Black Friday Cyber Monday (BFCM)

The late-November holiday shopping weekend, from Black Friday through Cyber Monday, that drives peak ecommerce sales and ad costs.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Black Friday Cyber Monday (BFCM) is the late-November holiday shopping period running from the Friday after US Thanksgiving through the following Monday. It drives peak ecommerce sales and some of the year's highest advertising costs. Retailers plan promotions, inventory, and media budgets months ahead to capture demand during this concentrated window.