One Piece OP-13 vs OP-12 booster box: which is worth opening?
OP-13 is the better box to open: its cards are worth 197% of its price after selling costs, against 53% for OP-12.
Side by side
| OP-13 booster box | OP-12 booster box | |
|---|---|---|
| Verdict | Toss-up | Keep it sealed |
| Box price today | $356€318 | $263€234 |
| Cards inside, after selling costs | $702€627 | $140€125 |
| Cards ÷ price | 197% | 53% |
| Boxes that lose money | 89 of 100 boxes | 89 of 100 boxes |
| A typical box (median) | $45€40 | $44€39 |
| Rarest pull | Treasure Rare (TR): 6 of 100 boxes | Treasure Rare (TR): 6 of 100 boxes |
| Packs | 24 packs of 12 cards | 24 packs of 12 cards |
| Released | November 7, 2025 | August 22, 2025 |
The two boxes
How we work this out
Both boxes are worked out the same way: today's card prices, selling costs taken off, and simulated boxes to see how often one loses money. Read the full method