Bristol-Myers Squibb (BMY) call put ratio 1 call to 1.5 puts into share price up before the bell
Bristol-Myers Squibb (NYSE: BMY) 30-day call option implied volatility is 30; compared to its 52-week range of 22 to 41. Call put ratio 1 call to 1.5 puts into report of merger talks with AstraZeneca (AZN).