Hashrate hit a new high, but mining stocks fell instead of rising. If that seems confusing, you are not alone. The market is no longer watching hashrate alone.
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The market is worried about two things. First, miners are voting with their feet by moving power and computing capacity away from Bitcoin mining and toward AI workloads. Second, Bitcoin has been falling for eight months, and mining has been losing money for five months.
Five months of losses: not thinner margins, but outright losses
First, look at one key number. JPMorgan estimates the market-wide average Bitcoin production cost at around 78,000 US dollars. In August 2026, Bitcoin was trading in the 62,000 to 63,000 dollar range. That means miners lose more than 15,000 dollars for every Bitcoin they mine. This is not just lower profit. It means they cannot even cover cash costs.
As a result, about 15% to 20% of miners are operating at a loss, and older machines are being shut down. Total network hashrate fell from the October 2025 peak of 1.14 ZH/s to about 900 EH/s, a drop of 21%.
If hashrate fell, why do you hear about a new high?
The "new hashrate high" you may have heard about was from last year. In late 2025, hashrate did spike to 1.3 ZH/s, but that was driven by miners rushing to expand after the halving. In 2026, hashrate is falling from that high, not making a new one.
Hashrate is falling but stock prices rose? The valuation logic has changed
This is what the market is really pricing. Bitcoin mining is getting harder to run profitably. Instead of fighting over hashrate, mining companies are now competing over who has power and who has land.
The same infrastructure can be leased to AI data centers for more stable and higher returns. Core Scientific's second quarter 2026 financials made this comparison very clear:
| Business segment | Revenue change | Gross margin |
|---|---|---|
| AI high-density hosting | Up 109% year over year (136.7 million dollars) | 59% |
| Self-mining | Down 66% (21.54 million dollars) | -56% |
Source: Core Scientific Q2 2026 earnings report
The same company, using the same assets, earns a 59% gross margin from AI but loses 56% on self-mining. The market is not foolish. It is obvious which logic it will use to value these companies.
CoinShares data confirms this. Mining companies with AI/HPC contracts trade at an enterprise value to EBITDA multiple of 12.3 times, while pure Bitcoin miners trade at only 5.9 times.
What the market is worried about: miners are becoming AI real estate developers
This shift is not just talk. The industry has signed more than 70 billion dollars in cumulative AI/HPC project contracts. Riot Platforms just signed a 20-year, 9.1 billion dollar deal to lease power capacity at its Rockdale, Texas site to an AI company. The stock jumped 25% in after-hours trading on the news.
At the same time, miners are aggressively selling Bitcoin to fund their transition. Riot sold 9,665 BTC in the first half of the year. Core Scientific plans to sell almost all of its Bitcoin reserves to build AI data centers. Miner net holdings have turned negative, and the selling pace is similar to the 2022 market bottom.
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The other side of market rationality: AI enthusiasm is cooling
By August, the situation became more subtle. Cointelegraph reported that market enthusiasm for miners' AI pivot is fading. Investors have specific doubts:
Power and land do not equal ready-to-use AI computing capacity. Retrofitting requires huge investment.
Stock price reactions to contract announcements are getting weaker. The market no longer pays for concepts alone.
Construction delays, equipment shortages, and uncertain AI demand are all risks.
What the market is worried about is not whether miners will go bankrupt. It is what their assets are actually worth and how they should be valued.
A practical way to check the trend yourself: open the quarterly mining reports from CoinShares or The Block and watch two things. First, whether hashprice stays above 40 dollars per PH/s per day. Second, whether miner net holdings turn from negative to positive. When both indicators improve together, that is the real sign of a fundamental bottom, not surface data like a new hashrate high.
