Finnes det en metode å beregne Stdev for ROC de siste 30 dagene?
ROC1
ROC2
ROC3
...
ROC30
std=Stdev(ROC1,ROC2,ROC2...ROC30)
https://www.investopedia.com/univers...olatility2.asp
ROC1
ROC2
ROC3
...
ROC30
std=Stdev(ROC1,ROC2,ROC2...ROC30)
https://www.investopedia.com/univers...olatility2.asp
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