Shortcut Analysis - On-Balance Volume with EMA

On-Balance Volume indicator with the following features:

- Smoothing of the OBV line if you'd like (Default is set to 2 period SMA ).
- Color differences to show if the OBV line is higher or lower than it's previous valure.
- EMA of the OBV line to provide crossover/crossunder signals (Default is set to 50 periods).
- Symbols indicating crossover/crossunder of the OBV line on the EMA