colored VWAP
# This coed is used the VWAP, no different with other VWAP
# But the color, important for me, is added to make it easier to watch, black means closing price < VWAP, green means closing price >= VWAP
# But the color, important for me, is added to make it easier to watch, black means closing price < VWAP, green means closing price >= VWAP