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10 Things to Consider When Buying Options in the Market

22 February 20236 mins read by Angel One
10 Things to Consider When Buying Options in the Market
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Equity options have emerged as a big segment of stock markets in the last 10 years. In fact, today index options and equity options put together account for over 85% of the total volumes on the NSE on a daily basis. The regulator has been trying to constantly caution retail investors about the merits and demerits of the F&O market. Here are 10 things you must know when you buy options (either index options or stock options) in the market…

10 things you must know when you buy options in the market…

  • Options are available in a wide range of maturities. You can get options that expire in 1 month, 2 months and 3 months. There are also long-term options in the case of indices and you also have the choice of weekly options on the Bank Nifty. Of course, liquidity is still concentrated in near-month contracts.
  • Call options give you a right to buy and put options give you the right to sell. In both cases, the buyer of the option only has the right but not the obligation to buy or to sell. For this right, without obligation, the buyer pays a premium to the seller of the option. This premium is a sunk cost for the buyer of the option.
  • Since the premium paid by you on a call or put option becomes effectively your maximum loss, there is only a premium margin that you need to pay initially. As an option buyer, you do not need to worry about MTM margins which are payable in the case of futures.
  • Every option purchase is a trade-off. If your options have a lower outstanding maturity then it will be available at a lower premium. But the lower outstanding maturity also means that the prospects of your making money on the options stand sharply reduced.
  • The most important factor driving the value of an option is volatility. Normally in the case of call and put, the relationship is positive. When the volatility in the market goes up, both calls and puts become more valuable. There is a simple logic behind this. When markets become volatile there is a higher probability of the stock moving sharply either way. Since options are non-linear, you make profits when the movement is in your favour but you do not lose money when the movement is against you.
  • The big advantage in options in India is that the securities transaction tax (STT) is not charged on the notional value of the option but on the premium value. This is an advantage in options over futures, where the STT is charged on the notional value. What is this concept? If RIL has a lot size of 500 and you buy a 1700 strike call option at a premium of Rs.10, then the notional value of one lot will be Rs.850,000 (500*1700) but the premium value will be Rs.5,000 (500*10). One of the main reasons for options trading growing in a big way in India is that the STT is imposed on the premium value and not on the notional value.
  • When you see the option price of a particular strike on a stock, remember it comprises two components; the intrinsic value and time value. An understanding of these 2 concepts is extremely important for any options trader. Let us go back to the RIL example. Assume that the call option of RIL 1650 strike is quoting on the NSE at Rs. 38. If the spot price of RIL is Rs.1660, then out of the premium of Rs.38, Rs. 10 will be the intrinsic value of the option (1660-1650) while the balance of Rs.28 will be the time value of the option. If the stock price of RIL is less than the strike price then the entire premium will be time value.
  • The distinction between time value and intrinsic is crucial to your understanding of trading in options. Remember, an option is a wasting asset and therefore the time value of the option keeps reducing as the date of maturity approaches and almost comes close to zero by the time the maturity approaches. Hence as an option buyer, it always makes more sense for you to buy options at the beginning of the contract as it will give you more time value and volatility prospects to play with.
  • Options are flexible and dynamic products and hence can be used for a variety of purposes. If you expect the stock of RIL to go up then you can speculate on the stock with a call option. Similarly, if you expect the stock of SBI to go down then you can speculate by buying put options. You can also hedge your risk in the market. If you have a portfolio of equity holdings, you can hedge the risk by buying put options on the Nifty. The non-linear nature of options gives a lot of flexibility from a buyer’s point of view.
  • Lastly, options can be combined to cater to a whole range of market situations. For example, if you expect the market to be volatile you can buy a combination Straddle or a Strangle. Conversely, if you expect the market to remain range-bound, you can play the market by selling a Strangle or Straddle. You also have specific spreads strategies known as butterflies and covered calls where you can play for a moderate bullishness or moderate bearishness in the market. The choice is entirely yours.

Profiting from buying options requires a sharp understanding of the interplay of factors like volatility, time value, and pricing. The better informed you are, the more our prospects of profiting from buying options.


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