On a retail query,
the carousel is the screen.
Share of shelf is Share of Screen for shopping: how many of the visible product slots are yours, and where your price sits against everyone standing next to you.
You
$389
Competitor A
$329
Competitor A
$339
Competitor B
$412
You
$419
Competitor A
$349
Long tail
$298
Competitor B
$425
Long tail
$455
Long tail
$375
Competitor C
$310
Long tail
$399
Your share of shelf
Count the slots,
not the impressions.
One competitor holds three. Slot count is the honest measure here — a single listing in a twelve-slot carousel is not “appearing in shopping”, it is a rounding error.
Your share of shelf
2 of 12 slots · 16.7%
Where your price lands
No bid increase
fixes a price.
Both of your slots sit third and fifth on price. On a shelf where the whole comparison is visible at once, that is a pricing outcome rather than a bidding one — and no bid increase fixes it.
Noteread from every scheduled scan of a keyword that shows a Shopping carousel
Where it sits
Ask it directly
Queryable from your own AI client over MCP — same data, same limits, no interface required.
How the MCP works