BlackRock's iShares Bitcoin Trust (IBIT) drew $665.2 million in net inflows on October 19, 2026, marking its largest single-day inflow since October 7, 2025

The first and largest cryptocurrency, spanning its price and adoption, mining, protocol politics, and its contested role as digital money and inflation hedge.

Exchange-traded funds that hold Bitcoin for stock-market investors, with their fund flows, competing issuers and regulatory approvals.