The latest BigTracker Chrome Extension supports seven marketplaces: US / DE / UK / FR / IT / ES and JP. If you’ve installed a previous version of BigTracker Chrome Extension, you’ll be notified to authorize the new BigTracker Chrome extension.
Please reauthorize the BigTracker Chrome Extension once it’s updated.
Alternatively, you can just delete the BigTracker Chrome extension and install it again to get the latest version.
BigTracker also supports several locations on the Amazon website as outlined in the spreadsheet attached below: