0001820302 2026-01-09 2026-01-09 0001820302 us-gaap:CommonStockMember 2026-01-09 2026-01-09 0001820302 us-gaap:WarrantMember 2026-01-09 2026-01-09 false 0001820302 --12-31 8-K 2026-01-09 Bakkt Holdings, Inc. DE 001-39544 41-2324812 One Liberty Plaza 1 Liberty Street, Floor 3 Suite 305-306 New York NY 10006 (678) 534-5849 false true false false Class A Common Stock, par value $0.0001 per share BKKT NYSE Warrants to purchase Class A Common Stock BKKT WS NYSE false