quarterly

This indicator can draw highs & lows objects from H1-MN1. It's very good. But I want it to also draw : 1. last year high & low. 2. last quater high & low. (1st quater = Jan-Mar, 2nd quater = Apr-Jun, 3rd quater = Jul-Sep & 4th quater = Oct-Dec) Because these two also are important suport &...