One Piece OP-14 vs OP-13 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 81% for OP-14.
Side by side
| OP-14 booster box | OP-13 booster box | |
|---|---|---|
| Verdict | Keep it sealed | Toss-up |
| Box price today | $207€185 | $356€318 |
| Cards inside, after selling costs | $169€150 | $702€627 |
| Cards ÷ price | 81% | 197% |
| Boxes that lose money | 84 of 100 boxes | 89 of 100 boxes |
| A typical box (median) | $47€42 | $45€40 |
| 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 | January 16, 2026 | November 7, 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