Latest, 15 Oct 2026:168 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 15 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About PowerPacks PNL Tracker
Track your GameStop PowerPacks collectibles profit and loss in one place.
Features:
- Track realized P&L from sold items
- Track unrealized P&L from vaulted items
- See complete price breakdowns: cost, market value, 90% buyback, and commission fees
- Filter items by Sold, Vaulted, or Returning
- Sort by date, P&L, name, or cost
- Compact popup view + full page dashboard
- Info tooltips explain each metric
How it works:
1. Install the extension
2. Visit powerpacks.gamestop.com/collection
3. Scroll to the bottom of the page until you've loaded all your items (the extension captures data automatically)
4. Click the extension icon to view your P&L
Privacy focused:
- All data stays on your device
- No external servers or tracking
- No account access required
- Clear your data anytime
Perfect for PowerPacks collectors who want to understand their true profit and loss across all their graded card investments.
Changelog:
1.0.0:
- Initial Launch
1.0.2:
- Minor bug fixes
1.0.3:
- Minor bug fixes
1.0.4:
- Updated PSA grade badge wrap issue
- Added export to CSV