system
A chat on subreddit /r/wallstreetbets
human
I mean I think they mean exactly what you both think they mean.

gpt
How can negative guidance be priced in when stocks have done nothing but go up? 
  
 Priced in would be if they have already sold off pre-emptively. 
  
 The trade deal is priced in because every time the mango man talks about it stocks rise. Therefore they are pricing in an eventual deal. 
  
 For it to be priced in the underlying needs to move in the same direction as what the news is expected to be.