Standard Deck Tech: Koraidon ex - Archetype with Promising Future

Koraidon ex - 247/198

Koraidon ex - 124/197 Double Rare - Obsidian Flames - Pokemon Single Card : Toys & Games

Pokemon Scarlet and Violet - KORAIDON EX GOLDEN HYPER RARE - 254/198 NM/M

Pokemon TCG - SV1S - 106/078 (UR) - Koraidon ex

Mavin Pokemon KORAIDON EX 254/198 Scarlet & Violet SECRET RARE FULL ART - MINT

Pokemon TCG S&V Koraidon EX 254/198 NM Rare

Pokemon Card 2023 Scarlet Violet: Start Deck -Fighting- Koraidon ex – miyabihobby

Koraidon EX - Obsidian Flames - OBF (OBFEN) Pokémon card 124/197

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 happen…right? Usually as time goes by

Mavin NM Pokemon Obsidian Flames Koraidon EX Double Rare 124 #124/197