This is the traditional Force Index indicator developed by Alexander Elder and described in his book "Trading For a Living" . As you probably know, the Force Index measures the amount of power used to move the price of an asset. The formula is pretty simple - the difference between the current and the previous close is multiplied by the volume of the current...
This is my own version of the famous Trend Direction Force Index and I modified the original to make my version react quickly to any trend. I have color coded the indicator to make it extremely easy to read so if it is green then buy and red then sell.
This was a custom request so if you would like more then just send me a message!