Answer ยท confidence: thin
Why did cheap Halloween earn so much, and did studios rush copycats?
Research question: Why did Halloween earn so much money on a small budget, and how did that success push studios to make cheap masked-killer films through the 1980s?
The verified facts only partly address this question. One sample of horror films from 1978 to 2010 found that the slasher theme added roughly four to eleven million dollars to opening weekend box office revenue 1. The facts provided do not describe Halloween's budget or total earnings, or how its success led studios to make cheap masked-killer films in the 1980s 1. The newest fact provided dates from 2011, about fifteen years before October 2026 1.
Checked 2026-10-21. Only documented and supported facts are used.
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[1] supported
In a 1978-2010 sample of horror films, the slasher theme added roughly four to eleven million dollars to opening weekend box office revenue.
"within the horror movie genre, the vampire and slasher themes add approximately four to eleven million dollars to opening weekend box office revenue"Vampires, Slashers, Or Zombies: Opening Weekends Favorite Box Office Monster (2011)