Quote from jeb9999:
Better be careful generalizing about markets going up and implied volatility. A number of years ago the metals markets were very quiet and one day the price of gold shot up, dragging silver and copper along with it. The implied volatilities of both puts and calls exploded and wiped out some premium sellers of both puts and calls in all 3 markets.
One thing I remember in particular about this is that the implied volatility rose so much in one day that the price of some gold puts actually went up with the price of gold going up. I'll have to do some research to find the date this happened.
Remember, that the opposite happens as well. Price can move up and the call can go down as implied volatility moves down with the news event occuring.
I've seen this happen to ES options with payroll numbers, interest rate announcements, etc.
