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Why don't my numbers match Seller Central?

You pull up a report, open Seller Central next to it, and the numbers disagree. Before assuming something is broken: small differences on recent days are normal, and almost always come down to one of four things. Here is how to tell which one you are looking at.

1. Your data is one day behind, on purpose

MixShift syncs your Amazon data once per day. Seller Central shows you this moment. If you compare today (or late yesterday), Seller Central will be ahead. Compare completed days, not the current one.

2. Amazon revises recent days after the fact

Amazon's own numbers move for a while after the day ends. Orders get cancelled or refunded, and financial details settle over days, sometimes up to two weeks. MixShift re-pulls recent days on each sync to pick up those revisions, so a number you saw Monday can legitimately change by Thursday. Both were "right" when shown. If a recent day looks off, check it again after a few more days before treating it as a discrepancy.

3. Advertising attribution moves conversions backward

An ad conversion is credited to the day of the click, not the day of the purchase. If someone clicks Tuesday and buys Friday, Amazon adds that sale to Tuesday, days later. Advertising metrics for the last several days therefore keep climbing after the fact. This is Amazon's attribution model, and it affects any tool reading the same data.

4. You are not comparing the same slice

The most common cause, and the easiest to fix. Before comparing, make sure both sides use:

  • the same date range, in the same time zone,
  • the same marketplace (a single marketplace in Seller Central versus all marketplaces in a MixShift report is the classic mismatch),
  • the same metric definition. "Sales" in one surface can mean ordered product sales, and shipped revenue in another.

How to compare fairly

  1. Pick one completed day at least two weeks old.
  2. Pick one marketplace, same on both sides.
  3. Compare one specific metric (for example ordered product sales).

If the numbers still disagree materially after that, something genuinely needs a look: check Troubleshooting for sync issues, or contact support with the day, marketplace, and metric you compared, and we will trace it.

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