Giratina Prism Star (Ultra Prism) fell 13.3% to $78.86 on Oct 22, 2026, the biggest one-day drop among Pokemon singles priced $20 or more, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 22, 2026. https://tickermint.cards/wire/2026-10-22-pokemon-top-decliner