Can someone explain to me how my Koraidon ex shot up in value over 160% overnight? Was a $145 card, is now $454?? This doesn't usually happenright? Usually as time goes by Koraidon ex #254 Prices Pokemon Scarlet & Violet Pokemon Cards Koraidon 119 162 Reverse Holo Unlimited Rare Temporal Forces Pokmon Card Koraidon Pokemon Card Prices & Trends Koraidon ex TEF 120 Double Rare DE NM+ CardCapital Gold Koraidon ex 254 198 Scarlet & Violet Hyper Rare Pokemon Card NM M