Swiss legend lost at least $52 million as stock price for luxury footwear brand On dropped about 19% early Tuesday. Nobody will ever be able to take away Roger Federer’s status as a 20-time Grand Slam champion and one of the greatest tennis stars of all time, but there is one title he has lost: Billionaire. Article contentThe Swiss sports icon lost his billionaire status overnight, as he saw millions fade away as the share price for luxury sneaker brand On dropped roughly 19%. According to reports, Federer’s net worth fell to $952.4 million as of Tuesday afternoon, losing at least $52 million overnight. Why did the stock price crash?