Bitcoin's price decline on October 15, 2026, pushed the asset below the estimated average U.S. spot Bitcoin ETF holder cost basis of $82,300, according to Nexo analyst Iliya Kalchev

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.