Pikachu (Collector Chest) from XY Promos fell 16.8% to $37.80 on Oct 16, 2026, the biggest one-day drop among Pokemon singles priced $20 or more, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 16, 2026. https://tickermint.cards/wire/2026-10-16-pokemon-top-decliner