fun:datasource [Calax.com

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===== Overview =====

The data for this application is sourced from [[http://finance.yahoo.co.uk]] and is retrieved in two ways.

==== Historical Data Extract ====

For all the shares in the current share lists, the historical data values are pulled for a user specified period. This is primarily only used for reporting purposes as the point of sale and point of purchase prices are recorded against each user's portfolio.

=== HP URL ===

An exmaple of the url for this is // http://uk.finance.yahoo.com/q/hp?s=BT-A.L&b=9&a=10&c=2003&e=6&d=10&f=2008&g=d //
which breaks down as follows:

  * http://uk.finance.yahoo.com/q/hp?  - the historical price (hp) download
  * s=<sc> - where sc is the share code
  * b=dd - where nn is the day of the month
  * a=mm - where nn is the month number minus 1
  * c=yyyy - where yyyy is the year number
  * e=dd - where nn is the day of the month
  * d=mm - where nn is the month number minus 1
  * f=yyyy - where yyyy is the year number

==== Current Price Extract ====

The current price extract pulls the spot price from for each share at a user specified periodic interval. 

=== CP URL ===