a trader writes seven naked options contracts, with each contract being on 100 shares. The option price is $4.8 and the time to maturity is nine months. The stock price is $256.

What is the margin requirement if the options are call options with a strike price of $290?

What is the margin requirement if the options are index call options with a strike price of $265?

What is the margin requirement if the options are put options with a strike price of $230