Bitcoin's mining difficulty is scheduled to retarget today, Saturday, July 11, 2026, at approximately 15:28 UTC, at block height 957,600. It is the network's routine two-week self-correction — and this one arrives in the middle of the most severe miner profitability squeeze of the current cycle.
Going into the adjustment, the numbers are unambiguous: the last 2,016 blocks have taken an average of 10 minutes 35 seconds each, roughly 35 seconds slower than the protocol's 600-second target. Because difficulty adjusts in inverse proportion to observed block time, that shortfall implies a downward adjustment in the region of 5% to 6% — the exact figure depending on the pace of the final blocks before the retarget.
Slower blocks mean less hashrate. Less hashrate means machines have been switched off. And machines get switched off for one reason.
The economics that pulled the plug
Hashprice — the daily revenue a miner earns per unit of computing power, and the single number that governs whether a rig runs — has fallen to post-halving lows. Recent readings put it in the high-$20s to low-$30s per petahash per second per day, against a rough breakeven near $35 for older hardware. Anything running 25 joules per terahash or worse has been operating at a negative gross margin.
CoinShares estimates that 15% to 20% of the network's miners are currently unprofitable. That is not a marginal squeeze; it is the condition under which capitulation happens, and the hashrate data says it already is. Network hashrate averaged 1,004 EH/s in the second quarter, down 5.8% from 1,066 EH/s in the first. Shorter-window measurements are lower still — between roughly 740 and 886 EH/s depending on the smoothing methodology, which is 12% to 23% below the October peaks.
The pattern is textbook. Price falls. Hashprice falls with it. The least efficient operators — older rigs, higher power costs, thinner balance sheets — stop being able to cover their electricity bill and power down. Blocks slow. Difficulty falls. The survivors' economics improve. The cycle stabilises.
Where this retarget sits in the 2026 sequence
This is not the network's first correction of the year. On June 14, at block 953,568, difficulty fell 10.09% — from 138.96 trillion to 124.93 trillion — the second-largest downward adjustment of 2026 and the eleventh-largest in bitcoin's history. It was a direct response to the June price slide that took bitcoin toward $57,750.
Difficulty then recovered as some hashrate came back online, and stood at roughly 133.87 trillion at block 957,081, per CoinWarz. Today's expected 5–6% cut would take it back toward the low-to-mid 120-trillion range — not as dramatic as June's double-digit drop, but a confirmation that the hashrate that returned has not stayed.
Read the two adjustments together and the story is one of an industry oscillating around its breakeven point rather than recovering from it. A 10% cut in June improved margins enough to bring machines back; those machines have now gone off again. That is what a network looks like when price is sitting near the marginal cost of production.
Why a difficulty cut is good news for miners — and ambiguous for everyone else
For the miners still running, the mechanism is straightforward relief. Lower difficulty means the same hardware wins a larger share of the same block reward. A 5.5% cut translates directly into roughly 5.5% more BTC per unit of hashrate, at unchanged price and unchanged electricity cost. It is an automatic, protocol-enforced margin transfer from the operators who left to the operators who stayed.
For bitcoin holders, the signal is more ambiguous, and it is worth being careful here because miner-capitulation analysis is heavily over-fitted. The Miner Cycle Stress Composite has fallen to a 2026 low and entered what analysts describe as an "undervalued" range — a condition that has coincided with major bottoms in 2015, 2018, 2020, 2022 and 2024. That is a genuinely interesting historical pattern.
It is also five observations. Miner capitulation has coincided with cycle lows, but it has also occurred without them, and the sample is far too small to treat as a signal you would size a position on. What the data supports is a narrower claim: the marginal seller of newly-mined bitcoin — a persistent, mechanical source of supply pressure through a downtrend — thins out as unprofitable miners exit. That removes a headwind. It does not create a tailwind.
What to watch after today's retarget
Three markers over the next fortnight. First, whether hashrate stabilises or continues declining after the cut — a continued fall despite easier difficulty would mean the squeeze is deeper than price alone explains, and would point to structural problems (power contracts, debt, hosting economics) rather than a simple margin cycle.
Second, whether public miners' July production disclosures show them selling treasury BTC to fund operations. That is the visible form of capitulation and the one that hits the market directly. American Bitcoin, for instance, reports Q2 results on August 3.
Third, the next retarget, due in roughly two weeks. If difficulty falls again, the network is telling you the industry has not found its floor. If it rises, the survivors are expanding into the space the capitulators vacated — and the mining cycle has turned, whatever price is doing.
Bitcoin traded around $64,164 on Saturday, July 11, up about 1.4% on the day. That is a 10%-plus recovery from the June 30 low, and it is already improving the arithmetic for every operator who made it this far. Today's difficulty cut improves it a little further.
Frequently asked questions
When does bitcoin's difficulty adjust in July 2026?
The retarget is estimated for Saturday, July 11, 2026 at approximately 15:28 UTC, at block height 957,600. Bitcoin adjusts difficulty every 2,016 blocks, roughly every two weeks.
How big will the July 11 difficulty adjustment be?
The last 2,016 blocks averaged 10 minutes 35 seconds against a 600-second target, which implies a downward adjustment of roughly 5% to 6%. The precise figure depends on the timing of the final blocks before the retarget.
Why is bitcoin mining difficulty falling?
Because hashrate is falling. Hashprice has dropped to the high-$20s to low-$30s per petahash per day, below the roughly $35 breakeven for older hardware, and CoinShares estimates 15–20% of miners are unprofitable. Unprofitable operators switch machines off, blocks slow, and the protocol lowers difficulty in response.
Is miner capitulation a bullish signal for bitcoin?
Historically it has coincided with cycle bottoms in 2015, 2018, 2020, 2022 and 2024 — but that is only five observations and the pattern is easy to over-fit. The defensible claim is narrower: as unprofitable miners exit, a mechanical source of sell pressure from newly-mined coins diminishes. That removes a headwind rather than creating a tailwind.
What was bitcoin's last difficulty adjustment?
On June 14, 2026, at block 953,568, difficulty fell 10.09% from 138.96 trillion to 124.93 trillion — the second-largest downward adjustment of 2026. It has since recovered to roughly 133.87 trillion.
Sources & further reading
- CoinWarz — Bitcoin difficulty chart and retarget estimator
- The Block — Bitcoin mining difficulty drops 10% in second-largest negative adjustment of 2026
- Bitcoin.com News — Bitcoin miner stress hits 'historically rare' level as 20% of miners operate at a loss
- Newhedge — Bitcoin difficulty adjustment estimator
- crypto.news — Bitcoin miners are selling: is capitulation here?