Slowking (Southern Islands, Reverse Holofoil) rose $31.90 to $380.98 on Oct 10, 2026, the biggest one-day dollar move among Pokemon singles, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 10, 2026. https://tickermint.cards/wire/2026-10-10-pokemon-dollar-move