Bitcoin mining shares prolonged their restoration in September, outpacing Bitcoin whilst business economics stay beneath stress and {hardware} payback intervals stretch longer.
Based on The Miner Magazine’s newest business replace, shares of Cipher Mining (CIFR), Terawulf (WULF), Iris Vitality (IREN), Hive Digital Applied sciences (HIVE) and Bitfarms (BITF) surged between 73% and 124% over the previous month. Against this, Bitcoin (BTC) slipped greater than 3% over the identical interval.

A number of Bitcoin mining shares are buying and selling at yearly or all-time highs. Supply: The Miner Magazine
The rally in mining shares comes regardless of continued stress on business fundamentals. The Bitcoin community’s subsequent issue adjustment is projected to rise one other 4.1%, which might “mark the primary epoch with a mean hashrate above the zetahash mark,” The Miner Magazine reported.
That 1 zetahash milestone was first reached in September, primarily based on Bitcoin’s 14-day shifting common hashrate. But the achievement has performed little to ease profitability strains.
Hashprice stays caught beneath $55 petahash per second, pressured by rising community exercise, whereas transaction charges have slipped beneath 0.8% of month-to-month rewards — an indication of weaker onchain exercise.

Bitcoin mining replace for August 2025. Supply: The Miner Magazine
Even so, traders are rewarding miners pursuing GPU and AI pivots, The Miner Magazine mentioned. Hive Digital is accelerating its transition into AI information heart infrastructure, Iris Vitality is ramping up with Blackwell GPUs, and Terawulf has drawn momentum from its high-performance computing partnership with Google.
Associated: Bitcoin community mining issue climbs to new all-time excessive
Bitcoin miner accumulation continues
Confronted with tighter revenue margins, rising prices and rising competitors, Bitcoin miners are more and more turning to diversification methods to remain afloat.
Past pivoting assets towards AI and high-performance computing, many miners have additionally embraced a treasury technique, holding onto extra mined Bitcoin in anticipation of a future worth surge.
Cointelegraph reported on this pattern in January, highlighting a notable shift in miner accumulation that gained momentum by means of 2024 as corporations retained a bigger share of their manufacturing.
“In 2024, a notable shift emerged amongst Bitcoin miners, with many opting to retain a bigger portion of their mined Bitcoin or refraining from promoting altogether,” Digital Mining Options and BitcoinMiningStock.io wrote in a January report.
Miners look like doubling down on this technique in September, with Glassnode information exhibiting pockets balances rising for 3 consecutive weeks. On Sept. 9, web inflows peaked at 573 BTC — the biggest each day enhance since October 2023.
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