Morning ORB Function for Google Excel Sheet?

Hey, Guys I’m looking for any help on how to get the Morning Opening Range Breakout (i.e 9:15 to 10:15 range) in Google SpreadSheet using GoogleFinance Function.

Can Anyone help ?

I’m also looking this trick

This Scanner has that function working but I’m unable to understand how they got it working,

I know. But it is a function and the excel expert can only know abt this

I just need someone to hint me, I can achieve this