Amazon Stockout Recovery: How To Get Your Rank Back After Running Out

A seller wrote to us on a Tuesday to say the units had landed, the listing was live again, and the day had done about a fifth of a normal day. The question underneath it is the one everybody asks: how long until this goes back to normal.

We understand how that feels, because the hard part of a stockout is not the week you were out. It is the week after, when the inventory problem is solved and the sales problem is not.

Your rank did not switch off and switch back on. It decayed while you were out, and on the day units go live it sits wherever the decay left it, because the only thing that moves it back is sales you have not made yet.

What a stockout costs beyond the days you lost

Missed revenue is the visible part and usually the smaller part. Three other things happen alongside it, quietly.

The Featured Offer goes, and the ads go with it. Amazon states it plainly: "Your offer can't become featured if your item is out of stock." Source: Amazon, primary.

Sponsored Products then requires the listing to be eligible for the Featured Offer, and Amazon Ads names going out of stock as a reason an ASIN becomes ineligible to serve. Sources: Sponsored Products eligibility and Amazon Ads, both primary. So the paid traffic propping up the organic position stops on the day that position starts sliding.

The IPI score takes it. Keeping popular items in stock is one of the four things the Inventory Performance Index measures, alongside excess inventory, sell-through and stranded listings. Source: Amazon Seller Forums, primary.

FBA capacity limits are then "influenced by sellers' IPI scores, as well as other factors such as sales forecasts for their ASINs, shipment lead time, and fulfillment center capacity". Source: Amazon, primary. Running out shrinks the room you need in order to stop running out.

Coming back thin gets charged. The low-inventory-level fee applies when both the 90 day and 30 day historical days of supply measures sit below 28 days. Sources: Amazon Seller Central and the Seller Forums, both primary. A stockout drags both down, so the weeks after a restock are when a per unit fee is most likely to land.

Why rank decays rather than resets

Amazon describes the mechanism in its own words: "Both recent sales and all-time sales factor into a BSR, though recent sales count more than older sales." Source: Amazon, primary.

The shape of a stockout falls out of that. Nothing zeroes on day one, because all-time sales are still in there. Each day out replaces a selling day in the recent window with a day of nothing, and since recent days carry more weight, the position slides further each day rather than dropping off a cliff.

The arithmetic runs in reverse on the way back. The window is full of zeroes now, and empties only as new selling days push the old ones out. That is why the first week after a restock feels broken. The listing is fine, the window is not. It is also why four days out on a fast SKU can cost more than two weeks out on a slow one.

How to tell how much you actually lost

Four checks, about half an hour on one ASIN.

1. Count the days without the Featured Offer, not the days without units. Those two rarely match, because the offer can stay unfeatured after stock lands, and the first number describes your traffic.
2. Read sessions against unit session percentage at child level. Sessions falling means the listing stopped being shown. Unit session percentage falling means it stopped converting, which a stockout does not cause on its own.
3. Check position on the two or three keywords that carried the sales. Not the fifty in the report, because the handful producing revenue are what the recovery gets measured against.
4. Check historical days of supply on the FBA Inventory page. That column is what the low-inventory-level fee is calculated from, so it says whether the shipment you just sent clears the threshold.

What to check before you turn everything back on

There is a strong pull towards restarting every campaign at double budget the morning stock goes live, and it is worth resisting a day, because a page that is not yet the Featured Offer cannot convert clicks.

1. Confirm the offer is genuinely featured before any budget moves. Stock landing and the Add to Cart button belonging to you are separate events, and our Buy Box loss page covers why the second one stalls.
2. Confirm the full quantity was actually received. Units shipped and units checked in differ more often than people expect. Our team reconciled an apparel account's FBA shipments, recovered $1,784.36 for inventory that never reached stock, then set up a weekly audit so shortfalls get caught early.
3. Check nothing is sitting stranded. Units with no active offer attached are inventory you paid for and cannot sell, and our stranded inventory page covers how those surface.

The recovery sequence

This is the order our team works in, and it is deliberately unexciting, because the mechanism rewards consistency rather than a big week.

1. Get the offer featured, then leave the price alone. The rank was earned at a price. Undercutting to restart velocity works, and it teaches the demand curve a new number, so it is a decision rather than a free move.
2. Restart campaigns that already have history instead of building new ones. A paused campaign carries its record. A new one starts from nothing, which is the last thing an ASIN in this position needs.
3. Concentrate the budget on the two or three keywords that carried the rank. Spread wide, a recovery budget disappears without moving anything. Depth moves position, breadth does not.
4. Fix conversion before buying more traffic. Every click costs more than usual now, and what helps a shopper decide is the use case, the material, the quantity and the thing they were worried about.
5. Hold the effort for a sustained stretch rather than a weekend. Recent days push older days out one at a time, so a steady run of ordinary ones rebuilds a position. A promotion that empties the restock in four days puts you back where you started.

We will not put a timeline on this, and we would be careful with anyone who does, because the speed depends on category volume, how long you were out and what competitors did with the gap.

Days of inventory and reorder points, where this is really solved

Amazon has quietly told you the band it wants you in. Items count as excess when there is "over 90 days of supply in comparison to customer demand", per Amazon, primary, and the low-inventory-level fee begins below 28 days.

Between roughly 28 and 90 days of supply is the only part of the range carrying neither problem, and a reorder point is the arithmetic that lands you there: daily velocity multiplied by true lead time, plus a buffer sized to how wrong your forecast usually runs.

1. Measure the whole lead time, not the manufacturing time. Production, freight, customs, prep, transit and check-in at the fulfilment centre. That last stage is the one nobody counts.
2. Set the reorder trigger on days of supply rather than units. A unit count means nothing without velocity attached, and velocity moves. The FBA Inventory and Restock Inventory pages both carry the figure.
3. Size safety stock against your own forecast error. If your forecast is routinely out by a third, the buffer covers a third. Somebody else's number ends up useless or expensive.
4. Plan around the capacity announcement rather than discovering it. Limits for the coming month land in the third full week of each month through the Capacity Monitor, per Amazon, primary.
5. Reconcile every inbound shipment weekly. Shipments that check in short are the most common cause of a stockout nobody forecast, because the plan was right and the units were not.

None of it is glamorous, and it is most of what our inventory management work consists of, because a stockout that never happens is worth more than a recovery that goes well.

What we would do first if this were our account

We would establish which of two situations you are in first, because they need opposite things. Sessions down with conversion holding is a ranking recovery, so the answer is concentrated spend on a few keywords held steady. Conversion down as well means something changed on the page while inventory was the emergency, and traffic will not fix that.

Then we would set the real reorder point for the SKUs carrying the account, using full lead time including check-in, because that number prevents the whole situation and almost nobody has it written down.

We cannot promise how quickly a position comes back, and we would not trust a number from anyone who offered one. What we can tell you before you spend anything is how much position moved, whether the page or the rank is the problem, and where your reorder points should sit.

That is what the free, no-obligation audit covers, and if you were out two days and the rank is fine, we will say so.

Related guides

• Reconciling FBA shipments to recover lost inventory
• Reading TACOS instead of ACOS
• Expanding into the UK, EU and Canada

Common questions about Amazon stockout recovery