AstraZeneca (AZN) call put ratio 1.7 calls to 1 put into share price lower before the bell
AstraZeneca (NASDAQ: AZN) 30-day call option implied volatility is 27; compared to its 52-week range of 20 to 42. Call put ratio 1.7 calls to 1 put into report of Bristol Myers (BMY) merger talks
