Biggest fallers over the last 30 days, by TCGplayer median. Historical movement — not investment advice.
18 cards priced ≥ $100.

Champions Festival
SWSH Black Star Promos

Armored Mewtwo
Sun & Moon Black Star Promos

Moltres & Zapdos & Articuno-GX
Sun & Moon Black Star Promos

Champions Festival
Sun & Moon Black Star Promos

Paradise Resort
Scarlet & Violet Black Star Promos

Champions Festival
Sun & Moon Black Star Promos

Champions Festival
Sun & Moon Black Star Promos

Paradise Resort
Scarlet & Violet Black Star Promos

Ash's Pikachu
Sun & Moon Black Star Promos

Espeon & Deoxys-GX
Sun & Moon Black Star Promos

Pikachu with Grey Felt Hat
Scarlet & Violet Black Star Promos

Reshiram ex
White Flare

Special Delivery Bidoof
SWSH Black Star Promos

Mewtwo & Mew-GX
Sun & Moon Black Star Promos

Zekrom ex
Black Bolt

Shining Lugia
Sun & Moon Black Star Promos

Victini
Black Bolt

Victini
White Flare