RTH VWAP (9:30 Anchor) with Custom Bands

Plots a VWAP anchored to the 9:30 AM New York open, resetting each Regular Trading Hours session.

Includes up to three customizable standard-deviation bands with user-defined multipliers, colors, and line styles (solid, dashed, dotted).

Designed for US equities and index futures, providing a clear intraday mean price and overextension levels during RTH.