Know More.
Collect Smarter.
CardfolioIQ™ is a sports trading card platform that combines market-based valuations, portfolio intelligence, AI grading and market signals to help you make smarter decisions about every card you own—whether you own 10 cards or 10,000.
What's Your Sports Card Worth?
Upload a photo of any sports card — front only. Get an instant AI analysis, estimated market value, and condition insights. No account required.
Plans & Pricing
Choose the plan that fits your collection
Purchased credits never expire · Monthly included credits reset each cycle · See full credit details
Know what your collection is worth.
Portfolio valuation powered by available market evidence — so you have a clearer view of where your collection stands.
Portfolio Overview
$8,250.00
Total Return
+$1,842 +28.7%
Holdings
2023 Prizm Color Blast Patrick Mahomes II
PSA 10
$1,240
+18.4%
2019 Panini Prizm Ja Morant RC
PSA 10
$890
+15.1%
2020 Topps Chrome Mike Trout
PSA 9
$620
-3.2%
2022 National Treasures LeBron James
PSA 8
$3,400
+24.7%
2018-19 Panini Prizm Luka Doncic RC
BGS 10
$2,100
+9.8%
Portfolio overview & card gallery
Patrick Mahomes II
2023 Prizm Color Blast · PSA 10
Understand the market.
Deep intelligence on every card — confidence scores, comp sales, population data, and grading analysis in one place.
The Intelligence Layer
Two Scores That Change Everything
Every card in your portfolio gets a Confidence Score™ and an Opportunity Score™ — powered by verified sales data, graded population reports, and AI market analysis. Less guesswork. Better signal.
Select a Card
Card Intelligence
2023 Prizm Patrick Mahomes II
PSA 10
Market Value
$1,240
+18.4%Valuation accuracy based on recent sales volume & data quality
Market momentum, trend signals & AI-predicted upside potential
Based on Confidence Score, Opportunity Score, market velocity, and population trend analysis
No other platform gives collectors this level of signal clarity.
This is what differentiates CardfolioIQ™ from the rest.
Confidence Score™
Reflects the strength of available market evidence for each card
Market Trends
Recent price momentum across sports, players, cards, and sets
Comparable Sales
Real sold listings from active marketplaces
Population Data
PSA/BGS graded pop reports at a glance
Grading Analysis
Grade impact on value and upgrade potential
Know what to do next.
AI-driven signals to help you decide whether to grade, hold, sell, or buy — so you can make more informed decisions about every card in your collection.
Opportunity Score™
A single score that surfaces your highest-upside cards right now — ranked by AI momentum, market timing, and scarcity signals.
AI Recommendations
Eligible cards receive a data-backed recommendation — updated as market conditions shift.
Grade / Hold / Sell / Buy
Clear, actionable signals on each eligible card — backed by real market data and AI analysis.
Elite Analytics Suite
Five professional-grade reports — Portfolio Intelligence, Opportunity Report, Risk & Diversification, Grading ROI, and Liquidity Rating — in one dashboard.
How it works
From your first card to a fully optimized portfolio — CardfolioIQ guides every step.
Know what your collection is worth.
Add your cards and get portfolio valuations powered by available market evidence. A clearer view of where your collection stands.
Understand the market.
Confidence Score™, comp sales, pop data, grading trends, and sport indices — everything you need to read the market with clarity.
Know what to do next.
Opportunity Score™, AI Buy/Hold/Sell signals, and the Elite Analytics Suite provide data-driven signals to help you decide how to act on what you know.
After 30 years as a collector, I kept asking the same question every serious collector asks — what is my collection actually worth right now, and where is it headed?
Spreadsheets, notebooks, and gut instinct only get you so far. The sports card market moves fast — values shift overnight, graded populations change, and the difference between a smart hold and a missed exit can be thousands of dollars. Collectors and investors deserve better tools.
That's why I built CardfolioIQ. A platform that brings institutional-grade portfolio intelligence to every collector — whether you're managing a handful of prized rookies or a six-figure investment collection. Market-based valuations, AI-powered trend analysis, and a clean dashboard that finally makes your collection feel like the asset it is.
This isn't just software. It's the tool I always wished existed.
Greg Maziarz
Founder & Collector, CardfolioIQ™
Build a smarter card portfolio
Track your collection, understand market movement, and make every next move with confidence.