November 29, 2020. Difficulty rose by +8.87% to 19.16T from 17.60T.
Change
+8.87%
New difficulty
19.16T
Period length
12.9 days
Network hashrate then (7-day)
133.7 EH/s
Bitcoin price then
$17,732
Hashprice then
$129/PH/day
The 2,016 blocks before it took 12.9 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 8.87%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.