Mathematical Description of the envelopes/volatility bands

Discussion regarding the spreadsheet functionality of Bet Angel.
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Tobedotty
Posts: 68
Joined: Sat Feb 25, 2012 11:15 am

Hi all, I'm looking for a mathematical description of the envelopes that are included in Bet Angel's graphing interface. There are lots of different types of envelopes out there which is why I'm asking, as it is quite hard to tell just by looking at them. Thanks in advance.
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Euler
Posts: 24816
Joined: Wed Nov 10, 2010 1:39 pm
Location: Bet Angel HQ

Two standard deviations from the moving average.
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