So was the Investment Fake?? SPOILER IF YOU HAVENT SEEN MOVIE

So after the adult argument Roman says he came up to give Chet an opportunity to Invest in a sure fire thing with obvious Risk, It's 25K Investment so Roman takes the 5K Check that Chet writes for what he can cover and after goes to the Bank he will get the other 20K.. He'd give it to Roman.....But then we learn Roman lost his seat on the exchange and while he still works, he makes way way less $$$...Was the investment totally fake and was Roman just trying to get 25K off Chet to keep up his lifestyle? They never give a clear answer but I am guessing it was and my guess is months later Roman probably would have just told Chet that the Investment didn't work out and there was Risk of losing it all. Obviously when hearing how Chet is just middle class and losing that $$$ would have huge impact Roman came clean.

But he never says if the investment was real or not. But I am guessing it wasn't and he was stealing Chets money so he didn't have to be honest about losing his exchange seat.