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varun.divakar avatar image
23 ●0 ●6 ●7

Open Interest data is lagging

Hi,


I am trying to fetch the current open interest data for an option chain using the code below.


df, ek = e.get_data('0#BL2K0+',

['DSPLY_NAME'])



df.fillna(method='ffill',inplace=True)

df.dropna(inplace=True)

data,err= e.get_data(df.Instrument[1:].to_list(),

['DSPLY_NAME','PUTCALLIND','STRIKE_PRC',

'CF_CLOSE','TR.OPENINTEREST','IMP_VOLT',

'NET_CHG(TR.OPENINTEREST(0d),TR.OPENINTEREST(-1d))','EXPIR_DATE'])


( Check the open interest values of the 200 call option, if we consider the OI change values then it would seem to be showing previous days value, but the close price is that of the current price in both data)

Eikon API values:

Terminal values:

The values that I am getting are different from those which are shown on the terminal. How can I get the current values displayed on the terminal.

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veerapath.rungruengrayubkul avatar image   veerapath.rungruengrayubkul

@varun.divakar

Hi,

Thank you for your participation in the forum.

Are any of the replies below satisfactory in resolving your query?

If yes please click the 'Accept' text next to the most appropriate reply. This will guide all community members who have a similar question.

Otherwise please post again offering further insight into your question.

Thanks,

AHS

wasin.w avatar image   wasin.w

Please be informed that a reply has been verified as correct in answering the question, and has been marked as such.

Thanks,


AHS

1 Answer

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zoya faberov avatar image
32.2k ●40 ●11 ●20

Hello @varun.divakar,

Apologies for the belated response.

Unfortunately, I was not able to reproduce the discrepancy. Let me discuss how I proceeded, so we can converge on where teh gap may originate?

First I did Python call same as you, and selected a couple of results:

df, err = ek.get_data('0#BL2K0+',['DSPLY_NAME'
df.fillna(method='ffill',inplace=Tru
df.dropna(inplace=Tru
data,err= ek.get_data(df.Instrument[1:].loc[120:140].to_list(
['DSPLY_NAME','PUTCALLIND','STRIKE_PRC','CF_CLOSE','TR.OPENINTEREST','IMP_VOLT','NET_CHG(TR.OPENINTEREST(0d),TR.OPENINTEREST(-1d))','EXPIR_DATE'])
data

Results for 199-200:

Then I requested the same 4 instruments from Eikon Excel:

=TR("BL219900E0;BL219900Q0;BL220000E0;BL220000Q0","DSPLY_NAME;PUTCALLIND;STRIKE_PRC;CF_CLOSE;TR.OPENINTEREST;IMP_VOLT;NET_CHG(TR.OPENINTEREST(0d),TR.OPENINTEREST(-1d));EXPIR_DATE",,B7:J1817)

The result for interest appears to look the same:

Are these the right values? Were they retrieved at the same time in your case ( I did one right after the other)?


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