Marketplace: capability comparison
Beyond knowing who holds the Buy Box: understanding why you lose it
Most tools tell you whether you hold the Buy Box. Data Seekers tells you why you lost it, which seller took it, at what price, with what shipping cost per postcode, and gives you the levers to win it back.
What brands are living today
Three situations that keep recurring in marketplace teams
Real conversations with ecommerce and marketplace teams at brands selling on Amazon, eBay, Miravia, Mercado Libre and others.
The situation
Your tool alerts you when you lose the Buy Box. You know you lost it. But you do not know whether it was price, stock, seller rating, or a seller in another region who, once shipping is added to their price, turns out more competitive in certain postcodes. Without understanding the cause, every loss is firefighting, not a decision.
How we solve it
ExclusiveWe monitor the reasons behind Buy Box loss, price, stock, seller conditions, shipping cost by postcode, so you can act on the real cause rather than just react to the alert.
The situation
Your product sells on eBay, Miravia, Mercado Libre and other marketplaces. On each one there are multiple sellers with their own product pages, their own prices and their own images. You have no visibility of what is happening on each one, or whether any of them is damaging your brand or your official price.
How we solve it
ExclusiveWe access the full seller catalogue on any marketplace, price, stock, images and description, on Amazon, eBay, Miravia, Mercado Libre and anywhere else you operate.
The situation
You have unauthorised sellers offering your product on Amazon Spain. You spot them late, sometimes through an anomalous price alert. But you do not know whether it is a local distributor breaking terms or a seller from Amazon France arbitraging between markets and undercutting your official Spanish price.
How we solve it
ExclusiveWe identify the origin of each seller: which marketplace they come from and which ones they are active in. A seller from Amazon France operating in Spain is a cross-market arbitrage problem, not a local distribution one, and the response is completely different.
Capabilities
Everything we cover in Marketplace
Full control of your presence on Amazon and other marketplaces, from the Buy Box to every seller offering your product.
| Capability | Standard tools | Data Seekers |
|---|---|---|
| Buy Box optimisation and control Exclusive Tracking of who holds the Buy Box, its evolution and the levers to win it back. | ||
| Buy Box loss reasons Exclusive Root cause diagnosis: price, stock, seller conditions, shipping cost. | ||
| Postcode filtering on any marketplace Exclusive The real price for the shopper in each area, once shipping is added. | ||
| Full seller catalogue on any marketplace Price, stock, images and description. Amazon, eBay, Miravia, Mercado Libre and others. | ||
| Unauthorised seller identification with market origin Exclusive We detect which marketplace each seller comes from. Tells local distribution apart from cross-market arbitrage. | ||
| Custom alerts by marketplace event Buy Box loss, new unauthorised seller, price drop below MAP. |
~ indicates partial capability or one not publicly confirmed. Based on market analysis (July 2026) and customer conversations.
Over a decade capturing the market
Our own infrastructure. Data that arrives every day.
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Find the solution for your business
Pick the option that matches your team.
For brands
Control who sells your product
Explore the module →For retailers
Which offer wins the Buy Box
Explore the module →Other comparisons
Frequently asked questions
How do I find out which seller took my Buy Box and why?
By monitoring not only who holds it but also why it was lost: price, stock, seller conditions and shipping costs by postcode. That way you act on the real cause, not just on the alert.
Why does a product's real price change by postcode?
Because shipping costs, which vary by area, are added to the product price. Filtering by postcode shows the real price the shopper pays in each area, which is the price that competes for the Buy Box.
What is cross-marketplace arbitrage?
It is when a seller active on one country's marketplace sells on another's, for example an Amazon France seller selling in Spain. Identifying which marketplace each seller comes from lets you tell it apart from a local distribution problem, because the response is different.
Which marketplaces can the seller catalogue be monitored on?
Amazon, eBay, Miravia, Mercado Libre and any other marketplace where the brand operates, with each seller's price, stock, images and description.
Do you really know what is happening on your marketplaces?
In one session we show you which part of your marketplace presence you are not seeing today, and how it changes with the full diagnosis.
