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How to display the indicators based on Advances/Declines

In order to display indicators based on Advances/Declines first of all it’s necessary to calculate composities in the database:

  1. Open Categories window using Symbol->Categories menu item.
  2. Select base index for given market in Markets tab and Base indexes for – Composites combo.
    For example if you are following NYSE this can by ^DIJ (Dow Jones Average)
    (certain symbol must be marked as index in Symbol -> Information and must belong to the same market)

  3. Choose Symbol ->Calculate composites  menu item to open the window shown below and mark:
    – Number of advancing/declining issues and
    – Apply to: all quotes, All markets

  4. Click Calculate . From now on ADLine, AdvVolume() and TRIN indicators will be visible.

Q: Why does AB need “base index”?
A: Just because it may happen that not all stocks are quoted every businness day and AB needs must calculate number of advancing/declining issues per market. So it checks the “base index” quotations dates and tries to find corresponding quotes of all stocks belonging to that market to find out how many issues advanced, declined and not changed at all.

Q: What are “Volume for base index” and “Copy volume to all indexes” checkboxes for?
A: “Volume for base index” and “Copy volume to all indexes” are provided in case you DON’T have real volume data for index quotes. In that case AmiBroker can calculate volume for index as a sum of volumes of all stocks belonging to given market. First option assigns calculated volume only to “base index”, the second copies the volume figure to all indexes belonging to given market.

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