How to determine the market shares you have on Amazon isn't as easy as analyzing your sales growth against total market growth.
If you know the product’s ranking in sales it is possible to apply an easy formula to estimate your sales, however, it’s not possible to estimate the percentage of your sales on Amazon just by looking at it that way.
The numbers for e-commerce are usually determined by the top-ranked products for instance. Additionally, Amazon keeps their data tight to the vest.










