Despite its authentic appearance, Paranormal Activity is a scripted fiction. The “actors” (Katie Featherston and Micah Sloat) are professional performers who have given interviews about the improvisational process. The “found footage” was shot on a budget of $15,000 using a consumer-grade Panasonic DVX-100A camera. Furthermore, the film’s sequels, which expand the demonology and reveal the entity (Tobi) as a recurring antagonist, break the found-footage premise entirely. A real demonic possession would not produce a marketable franchise with continuity errors. The claim to reality collapses under the weight of its own commercial success.
While the film's "found footage" style is incredibly convincing, the short answer is Paranormal Activity is not real . It is a purely fictional horror film written, directed, and edited by Oren Peli. is the film paranormal activity real