Stocks of companies dedicated solely to bitcoin mining are showing signs of renewed strength, outperforming those firms that have diversified into the rapidly expanding data center sector.

Companies whose primary focus is bitcoin mining, like MARA Holdings (MARA) and CleanSpark (CLSK), experienced significant gains on Thursday, with increases of 10% and 17% respectively. These firms led the advance among the constituents of the CoinShares Bitcoin Mining ETF.

Several factors may be contributing to these substantial gains.

Firstly, there’s speculation that investors might be anticipating a strong finish to the year for bitcoin. Historically, the final months of the year have often been marked by significant upward price movements. Following the Federal Reserve’s decision to lower interest rates, BTC is heading towards $118,000, showing a 2.2% increase on Thursday and trading just 5% below its record high.

As market confidence grows, miners holding considerable amounts of BTC on their books could benefit disproportionately from a potential bitcoin surge to new all-time highs. MARA and CleanSpark remain the largest holders of bitcoin in the sector, possessing 52,477 ($6.2 billion) and 12,703 ($1.5 billion) tokens, respectively. Strategy (MSTR), which owns the most BTC among all corporations, also saw a 7% increase today.

Another factor at play could be investors shifting profits away from high-performance computing (HPC) and artificial intelligence (AI) stocks, which have seen exceptionally strong performance in recent months. Iren Energy (IREN), Cipher Mining (CIFR), and Bitfarms (BITF) have all posted remarkable gains, with Bitfarms up 150% in September alone, IREN surging over 600% since April, and CIFR increasing by 500% during the same period. Supporting the investment rotation idea, CIFR experienced a 7% decrease, and IREN fell by 4% on Thursday.

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