I tried to understand his so-called Time Drawdown Score. It looks interesting, Now I understand, it is just a meaningless stats which has no value at all.
Mostly trader never stop trading at the top of equity curve, there will be always pullback after making new all-time high so Time Drawdown Score will always negative even if equity curve slope upward.
Now in case of PDC, he stops at the top and few lucky winning months his so-called Time Drawdown Score is currently positive but now he is at -6% DD if he is not able to recover his DD within 02 months his so-called Time Drawdown Score
will go into negative territory.