Legacy Bitcoin Miners Face Cash Crunch: 15-20% of the Global Fleet Running in the Red

The current hash price environment is squeezing Bitcoin miners’ profitability. CoinShares estimates that 15-20% of the global mining fleet is operating at a loss at the current hash price of $28-30 per PH/day. In Q4 2025, Bitcoin fell nearly 31%, from an early-October all-time high of almost $126,000 to around $86,000 by late December, while network hash rate remained near record levels, driving hash prices to …