Seller Activation Rate measures how many of your registered sellers actually start listing or selling within a set window. It exposes friction in onboarding, the gap between signing up and bringing real supply onto the platform. Improving it adds inventory and selection without new acquisition spend, which directly strengthens the supply side of marketplace liquidity.
Seller Activation Rate
The share of registered sellers who go on to list or sell.
What it is
Formula
Seller Activation Rate = (Number of Active Sellers ÷ Number of Registered Sellers) × 100%