Starting on November 19th, Disney is bringing back the Walt Disney World Resort 4 Park Magic Ticket. This can be purchased starting $89 per day, plus tax, and includes one day admission to each of the 4 main parks. The ticket is good for 7 days from first day of usage. Price of the ticket is dependent on when the first day of ticket usage as well. It can be upgraded to include admission to the NBA Experience at Disney Springs, or one of the water parks.
This 4-Parks Ticket is good through September 30, 2020, and keep in mind, it can not be purchased as part of a package.