Bitcoin gained 21.5% from the Aug. 17 close through Aug. 21, yet six of seven large US-listed miners finished the same trading stretch much lower. MARA Holdings rose 16.1% and came closest to BTC, while Cipher Digital fell 14.8%, TeraWulf lost 11.2%, Hut 8 dropped 8.1%, and IREN declined 6.8%.

The stocks still sold as Bitcoin proxies had separated during one of Bitcoin’s strongest weeks of the year.

QQQ fell 2.3% over those sessions as long-term yields stayed volatile, placing the miners inside a weaker technology-equity market. Their corporate structure helps explain this, as several former mining specialists now derive revenue, financing, or forward valuation from long-duration data-center contracts.

The same electricity, land, and grid…