Market intelligence for graded cards
Scan any PSA, BGS, CGC or TAG slab. Komp shows verified sales, live asks and the trend in seconds.
Verified sales and live asks from
Fanatics Collect
Scan
Komp reads the slab itself, so it knows the exact card and grade. It pulls every recent sale for that card and grade, drops the outliers, and gives you one number to work from.
No camera? Type the cert number, or batch-scan a stack of slabs into one combined value.
CERT120258956
One Piece PRB01 Premium Booster – The Best – 2024
| Source | Price | Type | Date |
|---|---|---|---|
| eBay | $3,999.99 | Buy it now | 1/30/2026 |
| eBay | Offer | 1/29/2026 | |
| eBay | $4,600.00 | Auction | 1/28/2026 |
Price history · Komp Value
Every card and grade gets a Komp Value, one reference price built from verified sales with the outliers removed. The chart behind it shows where the price has been, sale by sale.
2025 ONE PIECE JP · ONE PIECE MAGAZINE VOL.20
$305.00
Example: Monkey D. Luffy #014 PSA 10, as shown in the app in early 2026. Hover or use the arrow keys to read the line.
Market
Trending shows the cards with the most sales this week. Winners and Losers show the biggest gains and declines. Each game has its own view.
Example rows from app screens, January–February 2026.
How each set is doing as a whole, so you can see which releases are gaining and which are cooling off.
An index for Pokémon, One Piece and Riftbound that tracks the graded market over time.
Price moves across the market in one heatmap, so hot and cold spots stand out.
Google and YouTube attention for each game, next to weekly sales volume.
Auctions · Grails
Live auctions from eBay, Fanatics Collect, Goldin and ALT in one place. Grails collects the biggest cards on the block right now.
Monkey D. Luffy #118One Piece OP11 · Manga Alt Art
PSA10
Current bid
$3,800
Boa Hancock #051One Piece OP07 · Manga Alt
PSA10
Current bid
$3,550
Roronoa Zoro #118One Piece PRB01 · Manga Alt
PSA10
Current bid
$3,050
Example Grails, February 2026.
Hard-to-find cards up for auction right now.
The cards collectors are chasing right now.
Everything closing in the next few hours, soonest first.
Komp flags bidding patterns that look like shilling before you bid.
A heads-up when the busiest window opens: “50 auctions closing tonight”.
Tracker
Add the cards you own and the ones you want. Komp keeps each one priced from verified sales and tells you when something moves.
Komp TCGnow
Charizard ex #012 heating up ↑
$1,311 → $1,438 (+9.7%)
Lowest listings · vs recent avg
Live listings for the same card and grade, cheapest first, each compared with the recent average.
| Price | vs avg | Rating |
|---|---|---|
| $219.00 | −$3 (1%) | Good Deal |
| $225.00 | +$3 (1%) | Fair Price |
| $229.00 | +$7 (3%) | Fair Price |
| $235.00 | +$13 (6%) |
Good Deal: below the recent average · Fair Price: close to it
Deals
Deals finds listings priced below what the same card and grade has been selling for, refreshed through the day.
International
Japanese asks and buyback prices from SNKRDUNK, converted to the currency you choose in Settings.
Every major grader
The games that move
Search by card name or cert number. Compare any two cards with Versus. Share a scan as a link that opens in a friend's app.
Komp Unlimited
Komp is free with a limited number of scans. Unlimited takes the cap off and opens up the market tools.
Monthly or yearly, billed through the App Store. Cancel anytime.
FAQ
PSA, BGS (Beckett), CGC and TAG. Scan the label or type the cert number.
Pokémon, One Piece and Riftbound.
No. Komp is iPhone only today.
Verified sales from eBay, Fanatics Collect, Goldin and ALT, with outliers filtered out. Japanese market asks and buyback prices come from SNKRDUNK. Population comes from PSA, and from GemRate for BGS and CGC.
Scanning, with a limited number of free scans. Komp Unlimited removes the limit and unlocks market analytics and price alerts.
iPhone · Free to download
