Mining difficulty experiences the largest drop since 2021: Are miner capitulations signaling the bottom for BTC?

In June 2026, the Bitcoin network saw a historic event—mining difficulty cumulatively fell by more than 20% from its historical peak. This is the largest difficulty retracement since China’s comprehensive crackdown on Bitcoin mining in 2021. Galaxy Research explicitly noted on June 21 that Bitcoin miners have officially entered the “surrender” phase.

As of June 22, 2026, Bitcoin (BTC) is trading at $64,513. Bitcoin’s average production cost is about $78,000, and the market price is roughly 20% lower than the production cost. JPMorgan estimates that around 20% of miners are currently unprofitable.

Taken together, this set of data paints a panoramic picture of the current state of the Bitcoin mining industry: weak prices, high costs, miners under pressure, hash rate leaving the network, and difficulty being reduced. Is this merely a temporary cyclical adjustment, or a deeper, structural reshuffling?

What is a Bitcoin mining difficulty adjustment? Why did it plunge by over 20%?

Bitcoin mining difficulty is a parameter automatically adjusted by the network protocol. It updates every 2,016 blocks (about two weeks), with the goal of keeping block production time around 10 minutes. When the network’s total hash rate rises, difficulty increases; when hash rate falls, difficulty decreases.

This cumulative drop of more than 20% was not completed in a single move. On June 14, difficulty was decreased by 10.09% at block height 953,568, falling from 138.96 trillion to 124.93 trillion. This was the 11th largest downward adjustment in Bitcoin’s history and the second-largest single-drop decline in 2026. Before that, there had already been a significant drop of about 11% in January. Combined, these two adjustments amount to the largest cumulative retracement since 2021.

Difficulty’s continued downward trend essentially reflects the same fact: an increasing number of miners are shutting down equipment and exiting the network.

Why are miners collectively “surrendering”? The logic chain from profit to loss

Miner capitulation (Miner Capitulation) is not an emotional decision, but a strict financial calculation. After Bitcoin’s halving in 2024, the block reward fell to 3.125 BTC per block. That means that even if the coin price remains unchanged, miners’ revenue has been cut roughly in half compared with before the halving.

At the same time, Bitcoin’s price has been falling since it peaked above $126,000 in October 2025. It has now traded below the average production cost of $78,000 for five consecutive months. The inverted relationship between market price and production cost means high-cost miners continue to incur losses.

More seriously, mining difficulty’s sensitivity to price is increasing. JPMorgan points out that over the past six months, the beta coefficient of mining difficulty relative to Bitcoin’s price has risen to 0.62—meaning more miners struggle near the breakeven point, and can only frequently power mining rigs on and off as the coin price fluctuates.

In Q1 2026, publicly listed mining companies sold more than 32,000 BTC to cover operating costs, exceeding the total for all of 2025. When industry leaders begin selling their holdings to sustain operations, the situation facing smaller and mid-sized miners is self-evident.

The transmission mechanism of hash rate leaving and difficulty decreases: a “recalibration”

The Bitcoin network’s feedback mechanism forms a complete closed loop: price falls → miner revenue declines → high-cost miners shut down → total network hash rate decreases → block production slows → difficulty is automatically lowered → competitive pressure on the remaining miners eases.

Before the difficulty decrease on June 14, the block interval had already been noticeably longer than the normal 14-day target, indicating that a large amount of hash rate had gone offline early. After the difficulty adjustment, the hash price (revenue per unit of hash rate) recovered somewhat, rising from the lows to about $32.31/PH/s—but this is only a short-term breather for surviving miners, not an end to the industry’s predicament.

It’s worth noting that the current hash rate exodus is not accompanied by a single policy shock like the China ban in 2021. This is a purely market-driven adjustment—weak prices, high costs, and outdated mining rigs losing economic viability. Judging from on-chain data, the results are highly similar: hash rate leaves, block production slows, difficulty is reduced, and survivors receive temporary relief.

Does miner capitulation mean the bottom of Bitcoin is already in?

Historical experience suggests that miners’ large-scale exits are often highly correlated with cycle bottoms. Observable signs of miner capitulation include a significant decline in total network hash rate (over 10%-20%) and miner revenue pressure indicators reaching historical low levels.

Puell Multiple is one of the key indicators used to measure miner stress. It tracks the ratio of miners’ daily revenue to the 365-day average. When this metric drops below 0.5, miners are operating at a loss. Crypto analyst Lark Davis notes that the current Puell Multiple reading shows the market is approaching or is already in the bottom area of this cycle. Historically, when miners face sustained low returns and are forced to liquidate BTC to cover operating costs, it often corresponds to cycle lows.

The Hash Ribbon indicator is also worth watching. It tracks the 30-day and 60-day moving averages of hash rate—when mining is no longer profitable and hash rate drops significantly, it often corresponds to a price bottom.

However, caution is needed: current miner stress has not yet reached historical extremes. Some analysts believe Puell Multiple still needs to fall further below 0.50, the price-to-miner revenue multiple needs to compress into the 30-40 range, and the difficulty bottom’s decline needs to exceed -30% for a complete capitulation cycle to be considered finished.

Market impact: from miner selling to supply-demand rebalancing

The direct market impact of miner capitulation is selling pressure. In Q1, public mining companies had already sold more than 32,000 BTC, and the total number of BTC held by miners has continued to decline from about 1.86 million at the end of 2023.

But from another dimension, miner selling is also part of the market-clearing process. When high-cost, low-efficiency miners are eliminated, survivors gain a larger share of the market and face less competitive pressure. JPMorgan notes that this extremely weak market sentiment may, in the future, become a noteworthy “contrarian bullish signal.”

VanEck’s report shows that the pressure miners are bearing is comparable to the 2022 bear market. A short-term funding gap of around $50 billion could trigger further adjustments across the industry. But historical rules also indicate that a sharp drop in hash rate and the collective exit of miners are often prerequisite conditions for the start of a new cycle.

After the reshuffle: the long-term trajectory of the Bitcoin mining industry

Every deep industry reshuffle reshapes the competitive landscape. Efficiency is the ultimate filter—cheap electricity, efficient mining rigs, and sufficient capital reserves determine who can survive the cycle.

Around the next halving in 2028, the block reward will be further reduced to 1.5625 BTC. This means that each round of price fluctuations may trigger more intense hash rate adjustments in the future. The trend toward industrialization and scaling in mining will accelerate, and the survival space for small miners and inefficient operators will keep narrowing.

For the entire Bitcoin network, the difficulty adjustment mechanism itself is a “anti-fragile” design. Short-term hash rate fluctuations do not affect the network’s long-term security—hash rate will leave and also return; difficulty will drop and then rise again once conditions improve. This more-than-20% difficulty plunge is, in essence, the market completing a necessary rebalancing.

Summary

Bitcoin mining difficulty has fallen by more than 20% from its historical peak, marking the largest drop since 2021 and signaling the full arrival of the miner surrender phase. This event is driven by multiple factors: the 2024 halving cutting block rewards in half, the coin price staying below production costs for a prolonged period, and high-cost miners being forced to shut down and exit. From historical patterns, miners’ large-scale exits are often highly correlated with cycle bottoms; on-chain indicators such as Puell Multiple and Hash Ribbon have already released bottom signals. However, current pressure has not yet reached historical extreme levels, and a complete capitulation cycle may require deeper adjustments. Whether or not the bottom has been confirmed, this reshuffle is reshaping the competitive landscape of Bitcoin mining—efficiency and capital will be the only pass to get through the cycle.

Frequently Asked Questions (FAQ)

Q1: What does a Bitcoin mining difficulty drop of over 20% mean?

It means that many miners exit the network and shut down equipment due to profitability pressures, causing total network hash rate to fall. The network protocol automatically lowers difficulty to maintain the block production pace. This is the largest difficulty retracement since 2021 and indicates that miners have entered the surrender phase.

Q2: How is miner capitulation related to Bitcoin’s bottom?

Historically, miners’ large-scale exits often occur in the cycle bottom area. When miners are forced to shut down due to ongoing losses and sell BTC to cover costs, it typically coincides with the market’s most pessimistic phase. On-chain indicators such as Puell Multiple and Hash Ribbon have already released bottom signals.

Q3: How many Bitcoin miners are currently in a loss-making state?

JPMorgan estimates that Bitcoin’s average production cost is about $78,000, while the current coin price is about $64,513. Approximately 20% of miners are in an unprofitable state.

Q4: What impact does a difficulty decrease have on miners that are still operating?

After the difficulty decreases, remaining miners face less competitive pressure. Revenue per unit of hash rate (hash price) increases somewhat. But this is only short-term relief; if coin prices remain weak or energy costs stay high, profitability pressure will persist.

Q5: How is this difficulty plunge different from China’s 2021 ban?

The 2021 plunge was driven by a single policy shock—China fully banned Bitcoin mining. This time, the plunge is driven purely by market factors: falling prices, rising costs, and outdated mining rigs losing economic viability. The on-chain outcomes are similar, but the underlying driving logic is completely different.

Q6: How will the Bitcoin mining industry evolve in the future?

Efficiency will become the ultimate selection criterion. Cheap electricity, efficient mining rigs, and sufficient capital are key to surviving the cycle. The 2028 halving will further compress profit margins, and the trend toward industrialization and scaling in mining will continue to accelerate, further shrinking the space for small miners and inefficient operators.