this study will plot yesterdays, high and low price, pre market's high and low price, regular day's high and low price and post markets high and low price.
Nota Keluaran:
Removed after hours lines because of it being buggy.
Nota Keluaran:
A cleaned up version of the levels script. Removed after hours levels
Nota Keluaran:
Cleaned up the script a little more, After hours removed.