system
A chat on subreddit /r/wallstreetbets
human
But the repo is going to mid october...

gpt
That's when corporate taxes are due. 
  
 Quarterly corporate tax payments for Q3 were due on 9/16/19, extended corporate filing deadline for the full fiscal year is 10/15/19. 
  
 The overnight repo rates went up on 9/17/19, and it is expected that Fed repo operations will last until about 10/16/19.