Wrong OI in option chain data

Abhishek_47811438 March 25, 2025, 12:51pm 1

I was fetching option chain data for NSE Nifty 50. It is giving other informations correct except the open interest. It is not matching with nse website or other websites. I think there is error in the API.

Ketan March 25, 2025, 1:03pm 2

Hi @Abhishek_47811438, could you share the time when you encountered this issue? This will help us investigate it further.

Thanks!

Abhishek_47811438 March 25, 2025, 1:21pm 3

I just tried now. it is coming same. my call was 27-03-2025 expiry nifty 50 nse . I checked strike price 18000 for example. error is ithere for all strike price. see the difference in screenshot.

Abhishek_47811438 March 25, 2025, 1:21pm 4

see the difference

Abhishek_47811438 March 25, 2025, 1:28pm 5

Now I get it. In NSE site OI is shown divided by lot size. Whereas here we are getting direct count. Please confirm

Ketan March 25, 2025, 1:46pm 6

@Abhishek_47811438 you are correct, we give OI in multiple of lot size you can verify the same on our pro web option chain also.

Thanks!

1 Like

Abhishek_47811438 March 25, 2025, 1:48pm 7

Thanks for your response I got it

1 Like

Abhishek_47811438 March 25, 2025, 3:17pm 8

Can you please check for 20450 CE nifty 27-march it is not up to the mark

Wrong OI in option chain data

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