Put Call Ratio

 

How can Put/Call Ratio be calculated and used in an EA or Indicator?

 
...and I'd guess you'd want to retrieve the option data from another app...
 
TheEconomist:
...and I'd guess you'd want to retrieve the option data from another app...
Not necessarily.  If that is the best option, then yes.  Either directly or via a website using a DLL.
 
Well, for the moment, there is no way to get these from MetaTrader. But if MQ will do as they promised, we will see options under MT5. And then, hedging will be a brand new game...