Biggest fallers over the last 7 days, by TCGplayer median. Historical movement — not investment advice.
35 cards moving ≥ 10%.

Iron Boulder ex
Temporal Forces

Lana's Aid
Twilight Masquerade

Sandile
Black Bolt

Maushold ex
Paradox Rift

Pansage
Black Bolt
Froakie
Chaos Rising

Palpitoad
Black Bolt
Frogadier
Chaos Rising

Caterpie
151

Karrablast
Black Bolt

Pawmot
Scarlet & Violet

Orthworm
Paldea Evolved

Revavroom ex
Obsidian Flames

Clobbopus
Surging Sparks

Lillie's Ribombee
Journey Together

Iron Boulder ex
Temporal Forces

Greninja ex
Twilight Masquerade

Lana's Aid
Twilight Masquerade

Mew V
Crown Zenith

Sandile
Black Bolt

Alolan Ninetales-GX
Guardians Rising

Maushold ex
Paradox Rift

Champions Festival
SWSH Black Star Promos

Pansage
Black Bolt

Marill
Burning Shadows

Snorlax
Crown Zenith

Lugia V
Silver Tempest
Froakie
Chaos Rising

Palpitoad
Black Bolt
Frogadier
Chaos Rising

Caterpie
151

Karrablast
Black Bolt

Naganadel-GX
Sun & Moon Black Star Promos

Primarina-GX
Sun & Moon

Pawmot
Scarlet & Violet

Orthworm
Paldea Evolved

Revavroom ex
Obsidian Flames

Magneton
Scarlet & Violet Black Star Promos

Mime Jr.
Paldean Fates

Clobbopus
Surging Sparks

Counter Catcher
Crimson Invasion

Lillie's Ribombee
Journey Together

Arceus VSTAR
Brilliant Stars

Tepig
White Flare

Mimikyu
Scarlet & Violet Black Star Promos

Shuckle
Mega Evolution

Toedscruel
Paradox Rift

Heatmor
White Flare

Houndour
Obsidian Flames

Boldore
White Flare