How can I get the benchmark risk free returns of a Ultimate Parent ID such as 4295880513?
# get benchmark index indexes, err = ek.get_data('4295880513', ['TR.MemberIndexRic'])
# get benchmark risk-free ?
You would need to know the data field name which carrying "Benchmark Risk Free" in your question.
This forum is not the best place to ask about content questions.
The best resource is the Refinitiv Content Helpdesk.
This forum is dedicated to things specific to the use of Eikon APIs.
The moderators here do not have deep expertise in every type of content available through Eikon.
The Refinitiv Content Helpdesk can be reached using Contact Us capability in your Eikon application.
Or by calling the Helpdesk number in your country.
Or at https://my.refinitiv.com/
You can ask helpdesk to demonstrate the field using Eikon Excel.
Then you can easily reuse the same data fields(if any) with Eikon Data API.
df,e = ek.get_data(['ric1','ric2',...], ['field1','field2',...])