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# How to select Strike which is closest to the close value of Nifty 50 Futures Index of the previous day:

The below condition should be used in strike FX of the position builder. 


To select Strike which is closest to the close value of Nifty 50 Futures Index of the previous day:


![](https://storage.crisp.chat/users/helpdesk/website/948b8c26d046a000/image_rmm8d6.png)