July 13, 2020. Difficulty rose by +9.89% to 17.35T from 15.78T.
Change
+9.89%
New difficulty
17.35T
Period length
12.8 days
Network hashrate then (7-day)
123.4 EH/s
Bitcoin price then
$9,225
Hashprice then
$73/PH/day
The 2,016 blocks before it took 12.8 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 9.89%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.