ピークアウト

noun, noun or participle which takes 'suru', intransitive verb

peaking out; passing the peak; declining after a peak

Used for trends, statistics, or situations that have reached their highest point and are now starting to decline. Often seen in news or economic contexts.

• 感かん染せん者しゃ数すうは先せん週しゅうピークアウトしたと見みられている。

  The number of infections is thought to have peaked out last week.

• このブームはそろそろピークアウトするだろう