Black Friday is not won in November. According to CTC data, brands that grow their active customer file by 10% or more this year have a 77% chance of beating last year’s BFCM — with a median result of 40% growth. The brands that hold back in September are the ones that underperform in Q4.

Topics covered in this episode:

• Why your active customer file is the single biggest predictor of BFCM performance

• The data: 77%, 50%, and 30% — what your customer file growth tells you right now

• How CTC defines and measures the active customer file across Shopify brands

• Why short-term LTV peaks in the first 30 to 60 days after acquisition

• Why that window gets heightened heading into BFCM, not reduced

• The case for leaning into acquisition spend now rather than saving it for November

• How to measure the incremental impact of your media spend in September vs. BFCM

• What incrementality factors are and how CTC has seen them across brands

• The step-by-step September playbook: file, scenarios, moments, measurement

• Why the fear of pulling revenue forward or confusing your BFCM offer is overblown

Show Notes:

• Q4 waits for no one. AppLovin is offering $5K ad credit when you spend $5K. Go to applovin.com/ctc to set up your first campaign

• Explore the Prophit Engine: https://commonthreadco.com/pages/prophit-engine

• The Ecommerce Playbook mailbag is open — email us at podcast@commonthreadco.com to ask us any questions you might have