According to @HenriArslanian, BBVA advises clients to allocate 3-7% of their portfolios to crypto, providing a defined exposure band relevant for portfolio sizing and risk budgeting; source: @HenriArslanian on X, Sep 6, 2025. He adds that other private banks will do the same only if it is profitable for them, underscoring a profitability-driven threshold for broader private banking adoption; source: @HenriArslanian on X, Sep 6, 2025.