COMC Analytics – Free Insights for Buyers & Sellers (Unofficial)

Transform your COMC experience with powerful analytics, inventory management, and data insights - all completely free.

🔥 WHAT IT DOES

📊 Complete Analytics Dashboard

- Dashboard: Comprehensive overview with time-based trend analysis
- Inventory: Complete view of all of your items (with CSV exports!)
- Purchases: Track every card you've bought with detailed breakdowns
- Sales: Monitor revenue, fees, and net earnings
- Flips: Identify your best flips with ROI and efficiency metrics
- Unsold Items: See what you purchased that hasn't sold yet

✨ NEW: Universal Filter System
Filters now work across ALL tabs! Set a filter once and it persists as you navigate between tabs.

- Cross-tab filtering: Filter for "PSA graded cards" on Inventory, then switch to Purchases/Sales/Flips - the filter stays active!
- Advanced grade filtering: Filter by grader (PSA/BGS/SGC), grade number (10, 9, 8.5, etc.), or grade range
- Condition filtering: Filter by condition notes (Near Mint, EX-NM, etc.)
- Smart search: Search across set names, card numbers, and player names
- Price filtering: Filter by purchase price, list price, or sale price ranges
- Date filtering: Last 14 days, MTD, YTD, Custom ranges, or "Acquired in Time Frame Only"
- Sport filtering: Filter by sport across all tabs (where available)
- Lightning-fast: Pre-parsed data means instant filtering, even with thousands of cards

📋 Inventory Management

- Complete inventory scraping and analysis
- Smart categorization (Acquired vs Submitted items)
- Pricing intelligence (see if you're the low price)
- Price bucket analysis ($0-2, $2-10, $10-20, etc.)
- Time-based trend analysis
- CSV exports
- Button to open all over-priced cards

📊 Visual Insights

- Top 5 Lists: Highest value items and players (with improved player name extraction)
- Sport Breakdown Charts: See what sports are most profitable for you
- Time Period Analysis: Track trends over days, weeks, months, years
- Price Distribution: Visual price buckets
- Profit Charts: ROI and efficiency analysis
- Flip Analytics: Scatter plots and bar charts showing efficiency vs. time held

📥 CSV Export

Export any tab to CSV:
- Export Purchases, Sales, Flips, Unsold, or Inventory
- Includes all filtered data (by date, status, grade, etc.)
- Perfect for backup, analysis, or reporting

🎯 Smart Features

- Unified data architecture: All tabs share the same unified dataset for consistent filtering
- Smart player name extraction: Correctly identifies player names from complex card descriptions (Game Dated Moments, date patterns, etc.)
- Grade detection: Automatically detects and categorizes PSA, BGS, SGC, and other graded cards
- Condition parsing: Extracts condition notes from card descriptions
- Date range filtering with presets and custom ranges
- Overpriced card detection
- Data stays local (privacy-first approach)

💡 Perfect For

- Card Sellers: Optimize pricing and track what sells
- Flippers: Find profitable opportunities quickly with advanced filtering
- Collectors: Monitor acquisition costs and values with grade/condition filters
- Graded Card Collectors: Filter by grader, grade number, or grade range across your entire collection
- Anyone on COMC: Get insights into your buying and selling activity

🔒 Privacy & Security

- All processing happens locally in your browser
- No data sent to external servers (except COMC for data fetching)
- Your COMC data stays on your device
- Open-source and transparent

🚀 How to Use

1. Install the extension
2. Log into COMC.com
3. Click "Refresh" in the extension popup
4. Browse Purchases, Sales, Flips, Inventory, or Unsold tabs
5. Use filters to find exactly what you're looking for
6. Export data to CSV anytime

❤️ Why Free?

We believe everyone deserves access to quality analytics. This extension is completely free with no premium features, no ads, and no data collection.

Note: This is an unofficial extension and is not affiliated with COMC.com