NEWTYPE DELTA TRACER is a Chrome extension that displays "price, number of sellers, and ranking fluctuation data" on Amazon product pages. This extension allows users to access past data from Amazon product pages, enabling them to streamline their research process. With a database that has been accumulating product information from Amazon since 2017, NEWTYPE DELTA TRACER currently possesses over 1 billion product data. This allows users to check detailed price, number of sellers, and ranking fluctuation information, enabling them to make informed purchasing decisions with low inventory risk.

The extension offers several key features, including price graphs, seller count graphs, ranking graphs, user count graphs, text data display, notification function for Amazon inventory, pricing and listing restrictions, basic information display, links to various online stores, and simultaneous search on other platforms like Rakuten, Yahoo Shopping, and PayPay Mall.

Please note that to use this extension, you need to create a NEWTYPE DELTA TRACER account.