Silent Sales Machine Radio #1038: Why sales rank feels off and what’s actually going on
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Jul 23, 2025 In this insightful chat, Grant Douglas, a coach from the Jim Cockrum program, discusses the recent shifts in Amazon’s A10 algorithm and how Keepa data interpretation is evolving for sellers. He emphasizes the need for adaptability in understanding sales rank and introduces new tools for improving sourcing strategies. Joining later is Jeff Schick, an e-commerce legal expert, who tackles common misconceptions about IP complaints, shedding light on the broader risks sellers face in today's marketplace.
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Amazon Smoothed Sales Rank Behavior
- Amazon changed how BSR is calculated (around mid-May), smoothing rank and making drops less frequent.
- This reduces short-term rank volatility and downweights temporary traffic spikes from ads or promos.
Keepa Scraping Depends On Tracking
- Keepa's scrape frequency varies by how many people track a product, so tracked items show more drops.
- Less-tracked but still-selling ASINs may show fewer drops despite real sales.
A10 Favors Historical Consistency Over Spikes
- A10 weights historical performance more and reduces gaming from short bursts of traffic or ads.
- That makes persistent rank and category percentile more meaningful than isolated drops.