1. using delta, covered call, X=1,030, S1=1,050. What is the investment? Profit? ROI?
2. Using options algebra, protective put, X=1010, S1=900. What is the investment? profit? roi?
3. Using delta, short put, X=1000, S1=900. What is the margin? ROI? Profit ($)?
4. Using options algebra, long straddle, X =1020, S1 = 1080. What is the investment? Profit? Breakeven point?