The billionaire’s net worth has dropped by $20.5 billion since his appearance, according to Forbes and reported by the New York Post.
The head of Tesla and SpaceX is still the third richest person valued at $145.5 billion and up $110 billion from a year ago as of the close of Thursday's markets.
Its been an eventful, but costly week for Musk. First, he hosted SNL where as part of a comedy skit, he made a joke about the cryptocurrency Dogecoin which he has been throwing his support behind.
That sent Dogecoin down 21% during the broadcast., according to Coindesk.
He also set a new policy concerning Bitcoin and Tesla cars.
On Wednesday, Musk announced the company would no longer accept Bitcoin as a payment for its electrical vehicles, which sent the cryptocurrency reeling.
Musk said that while he believed the digital currencies had a promising future, it could not come at the cost of the environment.
Forbes estimates Tesla shares dropped 15% this week.