There are two fruits, say banana and apple, in a basket. If you were given an OPTION to take one of the fruit, which one will you take? Notice the word OPTION in the above sentence. You are given a choice between two fruits. Say, now a security is at Rs.5000/-. You think it will go to Rs.5500/- in a month. If you have Rs.20000/- for trading, you can buy only 4 now and sell it after a month. If you opt for OPTIONS, you can buy at a lesser price and gain more. For Rs.20000, you could get an option for buying 80 (approx.) securities (each Rs.5000/-). CASE I: ----------- After a month, if the security price is Rs.5500/-, You would gain => (5500 - 5000) * 80 = 40000. But you have already given 20000 to get the option. So, your profit would be Rs. 20000/- => 100% return in just a month :-) CASE II: ------------ After a month, if the security price is Rs.4000/- you have already spent Rs.20000/- on getting the option. Total Loss: Rs. 20000/- (Already spent on getting option. You will no...