Guides
Guides are the reference side of OP Compare: what the rarities and printings mean, how the markets we cover compare, and how to buy without overpaying. They are revised when the data changes rather than left to date, and most point you at the tool that does what the guide describes.
Every figure in a guide is drawn from our own price database when the page loads. See who writes them, our editorial policy and how prices are collected. Looking for dated market analysis and set reviews? That is the blog.
Tools these guides explain:Card databaseBest BasketBox EV calculatorPrice moversOP Compare Index
Editor's picks
One Piece Card Rarities Explained: Parallel, Manga, SP & Treasure Rare
What C, UC, R, SR, SEC and L mean on a One Piece card, how Parallel, Manga, SP and Treasure Rare printings differ, and what each typically costs — from live price data.
3 Oct 2026 · 8 min read
Where to Buy One Piece Cards: 6 Markets Compared
How many stores sell One Piece singles in the US, Australia, the UK, Singapore, Canada and the EU, how much of the card list each market has in stock, and how its prices compare.
3 Oct 2026 · 7 min read