Last Updated on 19 October, 2023 by Håkan Samuelsson
The Coppock Curve was developed in the 1960s by the late E.S.C. (Sedge) Coppock. He called it his Very Long Term (VLT) Momentum Index.
The Coppock Curve is calculated by finding the 11-month and 14-month rates of change (ROC) of the DJIA, adding them together, and then calculating a 10-month weighted moving average (WMA) of the result. The Coppock Curve is effectively a really long term price oscillator, since it first uses monthly closes for the DJIA, or for any other index, and since it uses a long lookback period.
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