Mew ex (30th Celebration) fell 14.6% to $65.79 on Oct 30, 2026, the biggest one-day drop among Pokemon singles priced $20 or more, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 30, 2026. https://tickermint.cards/wire/2026-10-30-pokemon-top-decliner