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The Intelligence Layer
for Card Collectors and Investors

Whether you collect for passion or profit — stop guessing. Know exactly what cards are worth, what to acquire, when to acquire, and when to sell — if ever.

No credit card required · Free forever plan available

$0

to get started

6

major platforms tracked

7

ROI hold timelines

100%

fee-adjusted signals

Everything you need to collect and invest smarter

Built by collectors and investors, for collectors and investors. Every feature is designed around how serious card enthusiasts actually make decisions.

🎯Core feature

Card Signal Engine

Paste any listing URL and get an instant buy/sell analysis. True cost basis calculated automatically — purchase price, shipping, insurance, grading, and fees all included.

📊Collection

True Cost Basis Tracking

Most collectors only track what they paid. CardAlpha tracks what you actually spent — including every fee, every shipping charge, every grading cost. Your real P&L.

📈Pro feature

Multi-Timeframe ROI Projections

See your projected return across 7 hold timelines — 1 week, 1 month, 3 months, 6 months, 1 year, 3 years, and 5 years. Know when to hold and when to sell.

🔍Price guide

Real Comp Data

Sold listings from eBay, PWCC, Goldin, Alt, Whatnot, and StockX — normalized by platform fees so you're always comparing apples to apples.

💼Free forever

Collection Management

Track every card you own with full detail — grade, variation, serial number, grading company, purchase history. Your collection, organized.

🚨Pro feature

Watchlist Alerts

Set price targets and signal triggers on any card. Get alerted the moment a card you're watching hits BUY or drops to your target price.

Supports all sports cards and trading cards including Pokémon, Magic: The Gathering, and Yu-Gi-Oh.

How CardAlpha works

Three steps from listing to decision

01

Find a card

Paste any marketplace URL or search by player name, year, and set.

02

Get the signal

CardAlpha calculates true cost basis, pulls comp data, and gives you a clear buy/sell signal.

03

Make the move

Act with confidence. Track your acquisition in your collection and monitor its value over time.

Start free. Upgrade when you're ready.

Free forever plan available. Pro unlocks live market data, unlimited signals, and watchlist alerts.

🏆 Founding Member offer

First 100 members lock in founding rates — Pro $14/mo, Elite $34/mo — forever. 87 spots remaining.

Claim your spot →