yes I know it is the Fibonacci retracement are you implying that mt4 automatically has the extension levels ?
Yes, it has the regular ones, you can also add the rest, such as 1.61% and the 2.618% levels or any other
Sorry i didn't read good the first time, the extension has to be added
Click on "Insert", then "Fibonacci" and then "Expansion".
You can move it onto the toolbar if you are going to use it a lot.