system
A chat on subreddit /r/wallstreetbets
human
Check if they have option chains.  
  
 Penny stocks tend to not have much liquidity with their options and it's usually just better to buy a bunch of shares. 
  
 Also, stocks that are volatile have high IVs meaning you'll pay a higher premium on whatever option you buy

gpt
Conversely, you can play the IV Wave on volatile stocks.