Volume SMA with Multiple Overlays in Separate Pane

Volume plays a pivotal role in our trading. Stock market price movements are randam until and unless same is supported by volume. Voulme is the only leding indicator and can track instituitional activity.
This indicator analyses volume to indentify unsual volumes in the market. it draws there sma lines of last 1200 barrs as follows:
1. sma of 1200 bars represented by blue
2. sma of 1200 bars multiplied by 15, represented by red
3. sma of 1200 bars multiplied by 20, represented by black.
The clor codes and line width can be modified.