Those Pokmon trading cards you bought as a kid could be worth a lot more than you think. On average, Pokmon card values jumped nearly 46 per cent in the last year, according to analytics firm Red (Pokmon Trainer) gallery Nintendo Fandom The 17 best Pokmon cards in the world Trading for specific trainer cards in Pokmon TCG Japanese vs English Pokmon Cards: Trade Value, Rarity, and Collector Ravaver Pokmon cards have evolved from a childhood hobby into a serious alternative investment, but their value depends on knowing what to buy. While the market has grown significantly, not every card is