I used to trade using WD Gann time, and my Ganntimings are based on astrology. We have backtested our system from 2011-June to the present. This "Ganntimings" approach has an accuracy rate of 75–80%.(Banknifty, nifty). We don't make use of any indications. Live Trading Today, Live Intraday Trading Nifty 50, Bank nifty option trading live.