BTC ▲ +5.8% - Grayscale Bitcoin Mini Trust ETF $BTC above 86k Grayscale Bitcoin Mini Trust ETF (BTC) rose 5.8% today as the underlying bitcoin price moved above $86,000, extending gains in the cryptocurrency market. The move reflects broader strength in bitcoin's price action, which typically drives the trust's performance directly. 21-SEP-2026 11:21 AM ET