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yf.download has unintuitive performance with range of arguments #2457

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cole-st-john wants to merge 2 commits intoranaroussi:mainfrom
cole-st-john:price-history
Draft

yf.download has unintuitive performance with range of arguments #2457
cole-st-john wants to merge 2 commits intoranaroussi:mainfrom
cole-st-john:price-history

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@cole-st-john
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Problem:

This PR is around two issues:

  • Issues with use of period="max" - described here: #2451
  • Some issues or unintuitive results with other sets of time constraints:
    • Use of Start, End and Period doesnt error out (overconstraint)
    • Use of Start and Period is not supported (it first assigns arbitrary end despite the other args)

The initial purpose of this pull request to provide a TDD style set of tests that should be met with code changes. But first I wanted to query for feedback about this initial information.

@cole-st-john cole-st-john marked this pull request as draft May 7, 2025 16:50
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