Amazon sales dropped? A checklist for finding out what happened
Sales are down. Use this checklist to determine whether the cause is traffic, conversion, price, the Featured Offer, inventory, or a small group of ASINs.
Sales can fall in a day. Finding out why usually takes longer, especially once several people start making changes at the same time.
The fastest investigations follow the same path: confirm the drop, find where it lives, and identify which part of the sales equation changed. Only then should you touch the listing, price, advertising, or inventory plan.
1. Make sure the drop is real
Start with the dates.
Is the latest day complete? Are you comparing the same number of days? Does one period include a weekend, promotion, holiday, or stockout that the other does not?
Amazon's reports do not all update on the same schedule. Amazon says its By Date reports update hourly, while other Business Reports update daily. A recent period can therefore look different depending on which report you opened and when you opened it. Amazon explains the reporting differences here.
Write down the comparison before continuing. "Last seven complete days versus the previous seven complete days" is a diagnosis. "Sales look bad this week" is a feeling.
2. Find where the decline lives
Account-level revenue tells you that something moved. It rarely tells you what.
Move down one level at a time:
- Marketplace
- Brand or product line
- Parent ASIN
- Child ASIN or SKU
At each level, sort products by their absolute contribution to the change. An ASIN down $12,000 matters more than one down 70 percent from a tiny base.
Stop when you can name the few products responsible for most of the decline. If the loss is spread across the whole catalog, you are probably looking at a broader traffic, seasonality, account, or reporting issue. If it is concentrated, the investigation becomes product-specific.
3. Separate revenue from units
Revenue can fall because you sold fewer units or because the average selling price changed.
| What moved | What it suggests |
|---|---|
| Revenue down, units flat | Lower realized price, heavier discounts, or a shift toward cheaper products |
| Revenue down, units down | A traffic, conversion, availability, or demand problem |
| Revenue flat, units down | Higher prices or product mix may be hiding weaker unit demand |
| Revenue up, units flat | Price or mix drove the increase |
This step prevents a common mistake: treating every revenue decline as a demand decline.
4. Separate traffic from conversion
For a useful working model, think of ordered product sales this way:
Sessions x units per session x average selling price
Amazon reports units per session as Unit Session Percentage. Its Sales and Traffic report includes sessions, page views, Unit Session Percentage, ordered units, sales, and Featured Offer percentage at several levels of ASIN granularity. Amazon documents the report fields here.
Compare sessions and Unit Session Percentage for the affected ASINs:
| Sessions | Unit Session Percentage | First place to look |
|---|---|---|
| Down | Steady | Demand, discoverability, organic placement, or advertising traffic |
| Steady | Down | Featured Offer, price, delivery, reviews, or listing experience |
| Down | Down | More than one issue, or a large change affecting both reach and purchase behavior |
| Up | Down | Lower-quality traffic or a product page that is failing to close the new traffic |
Treat these as directions for the next check. They tell you which branch to investigate first.
5. Check whether the product could be bought
Before rewriting copy or reducing price, check the offer itself:
- Was the product in stock?
- Did your Featured Offer percentage change?
- Did the delivery promise get worse?
- Did another seller appear?
- Did the total price change because of shipping or a promotion ending?
- Was the listing suppressed or a child variation unavailable?
Amazon now calls the Buy Box the Featured Offer. Price matters, but Amazon also points to shipping speed, stock, and the seller's order experience as factors. Amazon's Featured Offer guide lists the main checks.
If sessions held while your Featured Offer percentage and units fell, demand may be fine. Shoppers still reached the product page. Your offer stopped capturing as many of those visits.
6. Follow the branch that moved
If sessions fell, review organic visibility, ad traffic, category demand, seasonality, and recent listing or inventory changes. Check whether the loss is isolated to a few search-dependent products or appears across the catalog.
If Unit Session Percentage fell, start with purchasability. Then review the price, promotion, delivery promise, reviews, variation selection, and product-page content. Look for a change that begins on the same date as the decline.
If average selling price moved, check coupons, deals, business pricing, variation mix, and which ASINs gained or lost share.
7. Compare more than one window
A seven-day comparison is good for spotting a recent break. A longer trailing window shows whether that break is large enough to matter. A year-over-year view helps with seasonality.
Use all three when the decision is important. The same ASIN can be ahead of last year and losing momentum right now. Both facts belong in the diagnosis.
8. Record the answer before acting
Finish the investigation with six lines:
- What changed
- When it started
- Which ASINs caused it
- The most likely explanation
- The evidence for that explanation
- The next action and the date you will check again
A good diagnosis does not need perfect certainty. It needs enough evidence to make one sensible change and know whether that change worked.