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The lever, market by market
In the US you can publish a minimum advertised price policy, monitor it daily and stop supplying anyone who breaks it — lawful because it is unilateral rather than agreed. In the EU that route is closed: terminating a distributor over a price level is treated as indirect resale price maintenance. What is open, and expressly permitted, is monitoring itself — and deciding who is authorised to sell your products, on your own standards. Same intent, different instrument, and both need the same thing underneath: what every seller in every market is actually charging, today.
A summary of how each market works, not legal advice — take your own counsel before acting on any of it. What does not change across the five is the evidence: Merqi reports what your products actually sell for, per country, per seller, per day.
Table: the price lever available in each market — a unilateral MAP policy in the US, selective distribution and permitted monitoring across the EU, and its own instrument in the UK, China and India.
What it costs to not watch
No lever above helps if the drift is invisible until a sales report catches it. This is the sequence, and it takes weeks rather than quarters.
Complete, dated visibility of what your products actually sell for, in every market they sell in — which is what makes a cross-border drift a decision rather than a discovery.
Diagram: the four stages by which this problem turns into lost revenue.
What we report
Every lever above runs on the same three things, dated and sourced.
Every country you sell in, indexed against its own median so that any two are directly comparable.
Which is how a country selling 11 points under its own median surfaces before it drags the region with it.
Movement since the last scan, per seller and per market.
So you see a slope rather than a surprise.
Authorisation decisions made on dated evidence rather than an impression — the lever that works in every market on this list.
Genuine selective distribution is a legitimate commercial instrument everywhere you sell.
In the platform
Every seller's advertised price against your reference, with the spread on each listing.
How the data is producedPlatform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
The problem
Right now, a seller you never appointed a reseller with your stock a marketplace trader an account you cannot name somebody undercutting you is costing you revenue and losing you customers.
They win the sale on a listing you built, to a customer who believes they bought from you. If that order arrives late, damaged or grey-market, you lose a customer and the revenue both — and neither ever appeared in your channel to begin with.
Undercutting is only the visible half. The rest of the damage never announces itself.
And it is never just one thing
A lost buy box is the one you can see. Merqi reads all seven on the same scan, so the damage you have not noticed shows up beside the damage you have.
Why one row matters
The featured offer is not a ranking, it is the default. The other sellers sit behind a link most shoppers never open, and on mobile they are not on screen at all. So when someone else holds the box on your listing, the page still converts — for them, on your product, at a price you did not set.
What a lost box actually costsThe size of the prize
10–30%+
revenue our clients can recover
Every buy box lost to an unauthorised seller is a sale made at a price you did not set, on a listing you paid to build. Recovering those listings, closing the coverage gaps and holding distributors to their terms is where the range above comes from.
See what one scan cycle foundIndicative range. What Merqi recovers for your catalogue depends on how many of your listings are contested and how far price has drifted — the first report tells you which.
How it works
Every finding starts as a row in the same scan. What changes is the question you bring to it.
Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
What you get
The first two are what most brands come for. The rest is what they did not know they were missing — and the platform they read it all in.
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On one client account, Merqi reads 4,196 listings across 78 active retailers every day and names every seller holding a box that should have been theirs. Catalogues are unlimited — this is one brand’s shelf, not our ceiling.
July 2026 monitoring cycle, as of 31 July. Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
Case study and research
One client's ledger, and the two questions every brand asks once they have seen it.
Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
Go deeper
The latest intel on how buy boxes are set, new legislation across the jurisdictions we cover, how to enforce MAP legally, and breakdowns on dealing with rogue sellers — and how to approach each of them using the right ecommerce intelligence.
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Platform shown through a client account, with permission, for data demonstration purposes.
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Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
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Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
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Hover a panel to play its recording. Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
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Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
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Platform shown through the H.Koenig account, with H.Koenig's permission, for data demonstration purposes.
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A workbook is generated at the end of each scan cycle. The first one appears here once your first scan completes.
Get a free audit of your listings{{ exportSheet.footnote }}
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Buy-box hold rate
Alerts by kind, by week
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