You can watch the movie The Accountant through several streaming platforms and digital purchase or rental services:

• Streaming platforms : It is available on Amazon Prime Video, Hulu, and Max (HBO Max) for streaming

. It is also on Netflix in some regions

• Digital purchase or rental : You can buy or rent The Accountant on Amazon Video, Apple TV, Fandango Now, Microsoft Store, and Spectrum On Demand

• Subscription services : Hulu offers the movie as part of its streaming library, including options for offline viewing with a subscription

. Amazon Prime Video also streams it for subscribers

If you want to watch it before the release of the sequel, these platforms are your best options to stream or rent the film online

. In summary, check your preferred streaming service like Amazon Prime Video, Hulu, Max, or Netflix, or rent/buy it digitally on platforms such as Apple TV or Amazon Video for convenient access.