October 17, 2020. Difficulty rose by +3.62% to 20.00T from 19.30T.
Change
+3.62%
New difficulty
20.00T
Period length
13.5 days
Network hashrate then (7-day)
144.4 EH/s
Bitcoin price then
$11,567
Hashprice then
$74/PH/day
The 2,016 blocks before it took 13.5 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 3.62%: an ordinary adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.