Williams Companies (WMB) saw huge volume in the October 57.50 calls, with over 50,000 trading..Stock dropped 0.83, while the calls actually increased 0.08 ! IV popped from 40.73 to 44.83 due to the huge buying pressure.
Sets up a nice covered call opportunity, buy shares/sell stock, if one wants to lean with the call flow while still capturing the IV spike.