Arjun ji one thing that can help you is the daily range of OBV. Till the time we are within the previous day range, the underlying would be construed as sideways. (Something like an inside day in price). Once it breaks out from its previous days range you get nice trending moves. Extremist ji has made a range Hilighter AFL. Ask him to share it with you guys. You can break down the look back period to half a day or some other time frame. The PDC, 11,1, 2:30 lines do just that.