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This is blowing my mind a little bit, when someone wants to calculate a 30-day moving average of a commodity, do they mean 30 business days, or 30 calendar days? I'm looking for the general consensus, not "you could do it this way or that way".

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closed as not constructive by wburzyns, Dirk Eddelbuettel, Ryogi, Joshua Ulrich, Tal Fishman Dec 6 '11 at 18:50

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lmgtfy.com/?q=moving+average – wburzyns Dec 3 '11 at 0:24
IMHO this is a valid question for newbies. – Gaurav Ramanan Dec 20 '14 at 15:02

Trading days..................

Days where there is pricing information.

Any moving average is a moving average of pricing information. Not the times where there can be no pricing information.

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