system
A chat on subreddit /r/wallstreetbets
human
&gt; no its not. if i sell covered calls and someone executes above the strike how is anyone losing in this situation 
  
 derivative trading is a zero sum game.

gpt
The only way it isnt is if someone gets external benefits to the trade. For example hedging risk in volatile markets to reduce risk of company failure. 
  
 In terms of strict dollery doos it is a zero sum game.