From my understanding, the average volume measurement on a stock in Google Finance is over a period of 3 months. Is this the average daily volume over 3 months, or is this the average monthly volume over 3 months?



I hovered over the label for trading volume and the following message popped up:

Volume / average volume

Volume is the number of shares traded on the latest trading day. The average volume is measured over 30 days.

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