SLM order cancelled while trigerring

[Nandha207]

I sold an option and placed SL-M order for stop loss. once the price reached the order got cancelled with below error

What should be the reason

[Roshan7]

Hey, this has been explained in the following link:

Why do some Open orders outside F&O executable range get cancelled?

Hello, Let me explain with an example and let’s assume the following data: Banknifty spot is at 20500. Banknifty 20300 CE trading at 200 on expiry day and you bought it at this price. Let’s take the circuit limits of this option at 0.05(Lower circuit limit) and 400(Upper circuit limit). Any order placed between the circuit limits is a valid order and will be stamped by the exchange. But there is a possibility of order cancellation in the scenario explained below: The exchange has introduce…