This thread is old. The concept is still the same. Post 33 (https://www.forexfactory.com/showthread.php?p=10439718#post10439718)
New thread https://www.forexfactory.com/showthread.php?t=710961 if you're interested.
New thread https://www.forexfactory.com/showthread.php?t=710961 if you're interested.