Bernstein: Bitcoin miners' AI colocation returns vary widely; Core Scientific stands out on CoreWeave-backed capex

AI Market Summary
Bernstein cautions that bitcoin miners' AI colocation economics vary widely, challenging headline return assumptions. Core Scientific's reported ~75% ROA is partly explained by partner financing, while TeraWulf and Cipher show low-single-digit ROA that may be more typical. The takeaway is dispersion in profitability and higher sensitivity to deal structure and counterparty funding, affecting how investors assess miners' AI diversification narratives.
Impact level
● Medium
Affected assets
BTC/USDT+0.54%
AI Insight · BTC/USDTAI Insight
● Neutral
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Bernstein said the economics of bitcoin miners' AI colocation deals are far less consistent than headline figures imply. Core Scientific is screening at roughly 75% return on assets, largely because CoreWeave is funding $750 million of the $855 million in planned capex. By contrast, TeraWulf's estimated return is about 5% and Cipher's about 4%, which Bernstein suggests may better reflect typical returns across the segment.