According to Michaël van de Poppe, Bank of America will permit its wealth advisers to advise a 1–4% allocation to BTC starting January 1, 2026 (source: Michaël van de Poppe, X post on Dec 3, 2025). According to the author, this outlines a defined Bitcoin exposure band and an effective date relevant for portfolio allocation discussions (source: Michaël van de Poppe, X post on Dec 3, 2025).