Restocks do not land at random. They cluster into a few hours a day, a handful of retailers, and a resale market that is often priced well above MSRP. This page publishes what we see across 80+ US retailers, for free.
The single most useful thing to know is what hour to be looking. Each strip below is one day, midnight to midnight in US Central. The brighter the block, the more of that category’s restocks land in that hour.
A perfectly even day would put 4.2% of restocks in every hour. Anything well above that is a window worth setting an alarm for.
Of every third-party listing we see, this is the share priced above MSRP. It is a measure of how much of a category has been taken over by resellers before a normal buyer gets a chance.
Some categories are effectively one retailer. Others are wide open. Watching the wrong shelf is the most common way people miss a drop.
| Category | Restocks tracked | 6-week change | Busiest hour | In store | Leading retailer | Retailers watched |
|---|---|---|---|---|---|---|
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“In store” is the share of restocks that happened on a physical shelf rather than online. It is the number most alert services cannot see at all, because it requires watching stores rather than websites.
The pattern above is the category. For any single thing we track, there is a page showing when it comes back, how often, and at which retailers.
The numbers above are the pattern. The alert is the product: the moment something you want is back, by push, SMS or Discord, including the store down the road from you.
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ShelfRadar watches restock feeds across 80+ US retailers, online and in store, and has been recording them continuously. The figures on this page are aggregates over the last six weeks, recomputed as new data arrives. No sampling, no estimates, no survey.
Yes, and there is no sign-up to read it. The paid product is the alert: knowing the pattern is useful, being told the instant a specific item is back is what actually gets you one.