October 4, 2021. Difficulty rose by +4.71% to 19.89T from 19.00T.
Change
+4.71%
New difficulty
19.89T
Period length
13.4 days
Network hashrate then (7-day)
146.9 EH/s
Bitcoin price then
$48,160
Hashprice then
$304/PH/day
The 2,016 blocks before it took 13.4 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 4.71%: an ordinary adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.