system
A chat on subreddit /r/wallstreetbets
human
What's the PDT threat?

gpt
if you make 4 day trades within a 5 day period in a margin account and your total account balance is below $25,000 your account gets locked out for 90 days and prevented from making day trades.  My strategy is entirely based on using day trades so I don't want to get my account locked out  
  
 PDT - pattern day trading, you can look up the rules about this