Getting information from Yahoo! finance -

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i'm trying data currency exchange yahoo! finance in csv format.

e.g. there lot of information in this page, when i'm downloading csv file on the url there no such data change, bid, ask, prev close, open, etc. there "n/a" values instead them.

how can complete information relevant page?

i suggest use yql. thread provides example: help creating yql query search companies


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