Double Holo is the modern marketplace and intelligence platform for trading card collectors.

BUY & SELL WITH THE LOWEST FEES

List and sell singles, graded cards, and sealed products with just a 4.9% seller platform fee (minimum $1) - significantly lower than other platforms. Lower fees mean better prices for buyers and more money in sellers' pockets.

KNOW WHAT TO BUY, SELL, AND GRADE

Premium tools help you make smarter decisions:
• Curated Top Picks — Weekly card recommendations based on real market buzz
• Reddit Sentiment — See which cards collectors are talking about and why
• Pack Value Analysis — Know the expected value of every pack before you open it
• Grading ROI Analysis — Compare submission profit potential across PSA, BGS, CGC, and TAG
• Submission Builder — Simulate grading outcomes before you send cards in
• Price Forecasting — AI-powered predictions for where prices are headed
• Advanced Charting — RSI, MACD, Bollinger Bands, and moving averages
• Market Alerts — Get notified about price spikes, buyouts, trending cards, and arbitrage opportunities

SHINY PRO INCLUDED

Every premium subscription includes Shiny Pro - a collection management app that tracks your portfolio value in real-time, synced with Double Holo market data. ($60/year value)

BUILT FOR COLLECTORS

Whether you're building a personal collection, opening packs for fun, or running a card business, Double Holo gives you the tools to stop guessing and start making confident decisions.
• Browse thousands of trading cards with real-time pricing
• Search by name, set, or scan a card with your camera
• Track your wishlist and get notified when prices drop
• Secure checkout powered by Stripe

Download Double Holo and join the smarter way to collect.