Biggest fallers over the last 30 days, by TCGplayer median. Historical movement — not investment advice.
48 cards priced ≥ $100.
N's Zoroark ex
Ascended Heroes
Team Rocket's Mewtwo ex
Ascended Heroes
Mega Meganium ex
Ascended Heroes
Mega Gengar ex
Ascended Heroes
Pikachu ex
Ascended Heroes
Mega Dragonite ex
Ascended Heroes
Lillie's Clefairy ex
Ascended Heroes

Ethan's Ho-Oh ex
Destined Rivals

Mega Lucario ex
Mega Evolution

Blastoise ex
151

Pikachu ex
Surging Sparks

Charizard ex
Paldean Fates

Ceruledge ex
Prismatic Evolutions

Venusaur ex
151
Meowth ex
Perfect Order
Mega Feraligatr ex
Ascended Heroes

Jolteon ex
Prismatic Evolutions

Zapdos ex
151

Team Rocket's Mewtwo ex
Destined Rivals

Mega Gardevoir ex
Mega Evolution

Eevee ex
Prismatic Evolutions

Perrin
Twilight Masquerade

Glaceon ex
Prismatic Evolutions

Latias ex
Surging Sparks

Zekrom ex
Black Bolt

Milotic ex
Surging Sparks

Gardevoir ex
Paldean Fates

Reshiram ex
White Flare
Steven's Metagross ex
Ascended Heroes

Roaring Moon ex
Prismatic Evolutions

Flareon ex
Prismatic Evolutions

Leafeon ex
Prismatic Evolutions

Dragapult ex
Prismatic Evolutions

Lillie's Clefairy ex
Journey Together

Sylveon ex
Prismatic Evolutions

Mega Charizard X ex
Phantasmal Flames

Vaporeon ex
Prismatic Evolutions

Mew ex
Paldean Fates

Cynthia's Garchomp ex
Destined Rivals

Greninja ex
Twilight Masquerade

Mega Venusaur ex
Mega Evolution

Umbreon ex
Prismatic Evolutions

Espeon ex
Prismatic Evolutions

Team Rocket's Moltres ex
Destined Rivals

Charizard ex
151

Team Rocket's Nidoking ex
Destined Rivals

Charizard ex
Obsidian Flames
Pikachu ex
Ascended Heroes