Python: How to get just the number out of a TR.Formula using Eikon API?

aquilesjlp300 · November 2017

Hello everyone, I have the following short code in which I acquire local returns:

import eikon as ek #import Eikon module
ek.set_app_id('someID') #setting AppID
df = ek.get_data('B1FJ0C0','TR.TotalReturn', {'SDate': '2017-02-03'})

print(df)
print (df[0])

The outcome goes as follows:

What I desire is to acquire just the numeric value of the return, I don't want to know about the instrument or any other field/value, just the value of the Total Return.

Does anybody know how? I'd be happy to know.

Thanks!

nick.zincone · November 2017

Hi @aquilesjlp300,

To acquire just the numeric value of the return, you can do this:

First thing to note is that the call to get_data() returns a tuple containing the dataframe and error (if any).

aquilesjlp300 · November 2017

https://community.developers.refinitiv.com/discussion/comment/21564#Comment_21564

Thanks a lot Nick. Is this a pandas dateframe, btw? The way the information is organized when I request information for a bigger list of identifiers does seem to give that appearance.

Alex Putkov.1 · November 2017

https://community.developers.refinitiv.com/discussion/comment/21565#Comment_21565

Yes, the default output is a Pandas DataFrame. For more details see the documentation for get_data method in Eikon Python API Reference Guide
https://developers.thomsonreuters.com/eikon-data-apis/docs

aquilesjlp300 · November 2017

https://community.developers.refinitiv.com/discussion/comment/21559#Comment_21559

I have an additional question Alex, it's somehow related to the post.

Can I call TR formulas from the get_timeseries function? My guess from the reference guide you provided is "No", I can't do that. Since I'd like daily returns given a range of dates.

Matthew.Logterman · December 2017

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Alex Putkov.1 · December 2017

https://community.developers.refinitiv.com/discussion/comment/21599#Comment_21599

You're correct. You'd have to calculate the returns yourself, which is pretty easy to do.

victor.delima · May 2018

I'm getting AttributeError: 'tuple' object has no attribute 'iloc'

Alex Putkov.1 · May 2018

https://community.developers.refinitiv.com/discussion/comment/28121#Comment_28121

@victor.delima
If you have a question it's always best to start a new thread rather than posting an answer on an existing thread. I'm guessing, and this is only a guess, that what you did is something like

df = ek.get_data('TRI.N','TR.Revenue')
df.iloc[0],[1]

instead of correct

df, err = ek.get_data('TRI.N','TR.Revenue')
df.iloc[0],[1]

If this helps, great. If not, and you need further assistance, please start a new thread and provide detailed description of the issue you're experiencing.

victor.delima · June 2018

https://community.developers.refinitiv.com/discussion/comment/28121#Comment_28121

Thanks man. That did the trick.

Python: How to get just the number out of a TR.Formula using Eikon API?

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