Use option price in entry condition

Hello I want a straddle to be created when the option premiums of both call and put are equal with around 10% deviation. How can I put it in entry condition?

In addition can I put a SL on individual leg?

@Vasu_patel @Sayan_Streak , please help

Currently, your requirement cannot be created in Streak as your condition requires the feature to add dynamic contracts inside the Symbol function, which is not supported as of now. I have forwarded your requirement to the concerned team for further discussion and consideration.

Moreover, do note that SL will be checked on the individual leg only by default.