[amibroker] Help in estimating whether stock is volatile

["kar_avi" <kar_avi@xxxxxxxxx>]

hello,

i want to check whether a stock is volatile or not in a 5 minute time
frame. will the following give 10 period volatility in 5 min bars

timeframeset(in5minute);
hv10 = StDev(ln(C / Ref(C, -1), 10));
timeframerestore();

or this one is mor appropriate?

timeframeset(in5minute);
hv10 = StDev(ln(C / Ref(C, -1), period) * sqrt(265*60*12) * 100
timeframerestore();

thanks



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