Elfnote Lucina (Burst Protocol, 1st Edition) fell 25.0% to $18.40 on Oct 31, 2026, the biggest one-day drop among Yu-Gi-Oh singles priced $20 or more, per TickerMint.
Source: TickerMint (tickermint.cards), Oct 31, 2026. https://tickermint.cards/wire/2026-10-31-yugioh-top-decliner