Firsthand Bitcoin · Data · Bitcoin miners
Data / Difficulty adjustments / 2017
The size of every bitcoin difficulty retarget, as a percentage.
Difficulty adjustment opened 2017 at +6.05% (January 10, 2017) and closed at +17.74% (December 18, 2017), up 193.3%. The high was +21.39% on October 26, 2017 and the low -6.09% on November 10, 2017.
| Month | Month end |
|---|---|
| January 2017 | +16.64% |
| February 2017 | +4.41% |
| March 2017 | +5.03% |
| April 2017 | +0.22% |
| May 2017 | +6.42% |
| June 2017 | +4.85% |
| July 2017 | +6.92% |
| August 2017 | -3.80% |
| September 2017 | +19.58% |
| October 2017 | +21.39% |
| November 2017 | -1.28% |
| December 2017 | +17.74% |
Each bar is one retarget. Most are small and upward, because hashrate keeps growing. The large negative ones mark the moments miners switched off in numbers: China’s mining ban in mid-2021 produced the biggest cut in bitcoin’s history, −28%.
Other years: 2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2016 · 2015 · 2014 · 2013
Also in 2017: Bitcoin price · Distance from the all-time high · 200-day and 200-week averages · Network hashrate · Mining difficulty · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Bitmain releases and the bitcoin price · Break-even electricity price · What a bitcoin costs us to mine, against the market