Research

The papers behind the features.

Each paper shows how a Profit Zones feature reads the data, works one real example through, and says plainly what it cannot tell you. Read them on the page or download the PDF.

  1. Sales DNA Free for a limited time

    Sales DNA: what moved, at what price

    How Profit Zones reads every seller's stock record in Keepa, live and departed, and prices each unit that moved against your own break-even and target.

    Premium edition · 1.6.2 · PDF

  2. Variation Confidence Free

    Variation Confidence

    How a score out of 100 for each child in a variation family is built from Amazon's bought badge, its share of the family's recent reviews and offer turnover, minus marks for a fading child.

    Version 1.6.2 · PDF

  3. Seller Central access

    Three Doors Into Seller Central

    Amazon's new agent rules in plain language: the three ways software gets into Seller Central, where the line sits, and a seller's playbook.

    October 2026 · PDF

  4. Buy Box by Metro Premium US only

    Buy Box by Metro

    Why Keepa's Buy Box is one reading from one place, and how Buy Box prices differ across up to 18 US markets.

    Beta · PDF