Kha'Zix, Voidreaver (Signature) from Unleashed (Foil) rose $5.19 to $426.88 on Oct 22, 2026, the biggest one-day dollar move among Riftbound singles, per TickerMint.
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Source: TickerMint (tickermint.cards), Oct 22, 2026. https://tickermint.cards/wire/2026-10-22-riftbound-dollar-move