On Holding AG (ONON) call put ratio 1.5 calls to 1 put into quarter results
On Holding AG (NYSE: ONON) May call option implied volatility is at 140, June is at 60; compared to its 52-week range of 37 to 72 into the expected release of quarter results before the bell on May 14. Call put ratio 1.5 calls to 1 put.