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Bitcoin mining difficulty falls 19.9% as AI deals lift miner stocks

Bitcoin mining difficulty falls 19.9% as AI deals lift miner stocks

Difficulty has dropped below its year-earlier level for only the second time, while weak mining economics, AI and HPC capital shifts, and regional disruptions weigh on hashrate even as some listed miners rally.

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Fact Check
The primary source, Bitcoin Magazine Pro's 'Bitcoin Miners Capitulating, But Their Stocks Are Soaring' (Jul 31 2026), explicitly states difficulty is down 19.9% from its peak, hashrate has been sliding for 287 days, and one listed miner gained over 430% while BTC fell ~46%, with the divergence driven by AI. These exact figures are independently echoed by crypto.news, Yahoo Finance/CryptoProwl, and CryptoBriefing. The AI/HPC infrastructure framing is likewise confirmed across sources. All three specific claims (19.9% difficulty drop, ~287-day hashrate decline, 430%+ miner stock surge treated as AI plays) are consistent with the original analysis.
Summary

Bitcoin mining remained in a prolonged contraction by late July, with network difficulty at 126.23 trillion after a 0.74% decline on July 25, down about 19.1% to 19.9% from its November 2025 record near 155.97 trillion to 156 trillion. The drop left difficulty about 1.1% below the 127.62 trillion recorded a year earlier, marking only the second year-over-year decline in Bitcoin’s history after the post-China 2021 mining ban period. Luxor’s Hashrate Index and other industry data attributed the weakness to lower Bitcoin prices, compressed miner revenue, older hardware shutdowns, AI and HPC-related capital and power reallocation, and curtailments in Texas and other mining regions. Even so, some publicly listed miners have surged more than 430% over the past year as investors increasingly value them as AI and data-center infrastructure companies rather than pure Bitcoin proxies.

Terms & Concepts
  • Mining difficulty: A measure of how hard it is to mine a new Bitcoin block, adjusted every 2,016 blocks to target average 10-minute block times.
  • Hashrate: The total computing power miners contribute to the Bitcoin network.
  • Hashprice: Expected daily miner revenue for each unit of computing power, commonly quoted per petahash per second.