Mamaragan (Adventure on Kami's Island, Foil) fell 11.9% to $29.61 on Oct 7, 2026, the biggest one-day drop among One Piece singles priced $20 or more, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 7, 2026. https://tickermint.cards/wire/2026-10-07-one-piece-top-decliner