Bitcoin Miner IREN Shares Fall as AI Conversion Costs Mount

Shares of Bitcoin miner IREN fell after the company warned that costs to repurpose its mining infrastructure for AI workloads are higher than expected. Investors reacted to the prospect of increased conversion CapEx and delayed returns, heightening near‑term profitability concerns. For Bitcoin, this implies miners may face tighter finances and could curtail reinvestment or sell BTC to fund conversions, which can slow hash rate growth and add short‑term selling pressure. The episode also highlights miners’ drive to diversify revenue beyond block rewards, a structural shift that may reduce future dependence on BTC price but introduces execution risk.