The production of 'The Wizard of Oz' at the Las Vegas Sphere is generating significant revenue, with daily ticket sales reportedly reaching $2 million. The show's success is contributing to a surge in revenue for the Sphere, with some reports indicating it could top $1 billion. However, there is some discrepancy in the total revenue figures, with one report stating the show has made $290 million, while others suggest it could continue to run for an extended period, potentially up to a year.