@Mohammad Murad
Every thing you post above in your post is so far logical and can be done surely in theory. But this is, at least to me, not the final point. (As I only can post my view and experience, others may jump in to show there views and express there experience on your question).
As you want to play a one day event, when do you want to enter it?
In most cases the market has already priced in such possible events in the value of the options before the event happens.
If there still some huge spikes will happen, which even can be like oscillating happenings uncontrollable for retailers, how do you want to handle this? With stop loss?
Did you ever trade live in the past such events with such mentioned spike up and down moves in seconds and minutes?
And why do think even big hedge funds stay out of such events?
Your choice, your money, your risk appetite and your luck.
I do not trade one day events under such possible premise, as I prefer other ways of making money and entries. But that is me and others surely can give you a hand for your questions.
Take care and all my mental support that you will have any regular success with your one day shot trading idea / Dan