NaN received for PCTCHG_YTD field

I'm trying to use Eikon Data APIs to retrieve the same data as the following Eikon Excel formula.

=TR(".SPX","PCTCHG_YTD")

The get_data() function returns NaN, while Eikon Excel returns value; for example "15.169".

>>> ek.get_data(".SPX","PCTCHG_YTD")
(  Instrument  PCTCHG_YTD
0       .SPX         NaN, [{'code': 251658244, 'col': 1, 'message': "Error: Field 'PCTCHG_YTD' was not found in response for the instrument '.SPX'", 'row': 0}])

Could you please advise?

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Accepted answers

James.Perkins

PCTCHG_YTD is a real-time field which is not yet supported in Eikon DAPI. The field you would want to use is TR.PricePctChgYTD

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James.Perkins

PCTCHG_YTD is a real-time field which is not yet supported in Eikon DAPI. The field you would want to use is TR.PricePctChgYTD

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