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If Rate of Change is defined as Percent Change, why call it ROC?
I just learned (or didn't realize) that Rate of Change (ROC) is Percent Change. If Rate of Change (ROC) is defined as Percent Change, which is the exact definition of Price Performance, why call it ROC, or why have it?
I was thinking there might be something different to understand about ROC. I cannot figure out what it could be other than this:
Multiple ROC's can be dropped and can have different periods on the same chart other than the period of the chart. The longer period ROC's define the larger trend. So if a smaller period ROC dips, then maybe that is a setup. Also, it seems like it can be used for overbought/oversold hence it's called ROC because it can be used for a different purpose.
In a similar way, does this mean that Price Performance can be used for OverBought/OverSold?