Box Office Mojo is the go to place for reading the latest statistics on all the movies that can have information scrounged up, run less professionally than the others to the extent that it looks like a site from the late 90's. If there is data available about budget, costs, reaping and profit then your first port of call should be this site. Horror is an especially interesting genre to study under this as the cheap nature of the genre makes them especially profitable, especially with found footage or mockumentry styled movies that are designed to look cheap.
'The Sixth Sense' is the highest grossing supernatural horror film of all time. It is then followed by 'The Exorcist', 'What Lies Beneath' and 'The Blair Witch Project'. All of these films at over 10 years old, showing that audiences prefer older-styled horror films. 'The Conjuring', 'The Ring', 'The Grudge' and 'Paranormal Activity'(1&3) come after, this shows that there are more modern horrors than old horrors that have higher grossing rates.
From this list we can see how many films each Horror Genre has and the highest grossing film in that genre, revealing that supernatural films have the highest grossing rates.
Since there are a lot of supernatural films on the top, it would be a good idea to made a horror that isn't supernatural due to the fact that there are already many high grossing supernatural films, but can still get high grossing rates, for example slasher films would be a good genre of horror to do. This is useful to us because it helps us find a good sub genre to do for our horror trailer.
From this list we can see how many films each Horror Genre has and the highest grossing film in that genre, revealing that supernatural films have the highest grossing rates.
Since there are a lot of supernatural films on the top, it would be a good idea to made a horror that isn't supernatural due to the fact that there are already many high grossing supernatural films, but can still get high grossing rates, for example slasher films would be a good genre of horror to do. This is useful to us because it helps us find a good sub genre to do for our horror trailer.