Onix GX

What is Onix GX 011/31 (Brock & Misty Trainer Battle Decks) worth?

As of 2026-10-21: In Near Mint, an English copy of Onix GX 011/31 is worth about $2.82, based on 3 real sales.

1. 1
   Real sales

   3 completed Near Mint sales from eBay, Goldin and Fanatics, each one checked on the listing page.

2. 2
   Outliers out

   Prices far above or below the median are dropped: lots, fakes, mismatched cards.

3. 3
   Recent counts more

   Newer sales weigh more than old ones, so the value follows the market, not the yearly average.