Correct

大起大落

/ dà qǐ dà luò /
Strokes

Definition

(of market prices etc) to rapidly fluctuate (idiom)/volatile/significant ups and downs/roller coaster

Example

Definition

great ups and downs; great/heavy/sharp fluctuations

1
Gāiduì
该队
běn
sài
赛季
zhí
一直
luò
大起大落
  

The team has been playing erratically this season.