I compared several different futures platforms and they are not identical. Unlike common indicators such as RSI, Stochastics, MACD, ...etc why cumulative delta looks different platform by platform? Any idea? IMHO, cumulative delta is a powerful tool but its credibility is questionable.
you have different calculation methods,
What is the calculation used by your platform, heispark?cumulative delta gives
Needs to use NBBO data.