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MorningStar Data Mismatch

When I ran a simple pipeline in the Notebook to print ROE from morning star, i noticed the ROE listed for Apple (AAPL) did not match the ROE reported on financial websites. Does anyone know why their is a discrepancy?

Thanks,

1 response

Fundamentals.roe is quarterly, whereas most websites report Trailing Twelve Months.

See https://www.quantopian.com/posts/trailing-twelve-months-ttm-with-as-of-date

and search forum for 'TTM' for discussion on ttm.