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Options are widely used financial instruments that allow traders to speculate on price movements without owning the underlying asset. Their flexibility enables investors to generate income, take leveraged positions with relatively lower capital, and hedge portfolios against market risks.
Call and put options, which signify the right to buy or sell, respectively, are the two fundamental types of options trading. Important elements that affect a contract's value and payout are the strike price, premium, and expiration date. Effective use of options in contemporary trading techniques requires an understanding of how those aspects interact.
Key Takeaways
● Options allow traders to benefit from price movements without owning the underlying asset.
● They are commonly used for hedging, income generation, and strategic trading.
● Option pricing is influenced by factors such as volatility, time decay, and underlying price movement.
● Understanding contract specifications and risk is essential for effective options trading.
What Are Options?
Options are derivative contracts whose value is dependent on an underlying asset, such as futures, equities, commodities, indices (such as the Nifty 50), or currencies. These contracts grant the holder the right, but not the responsibility, to purchase or sell the asset on or before a given expiration date at a predetermined price (strike price).
The buyer must pay the seller a premium in order to obtain this right. Because they are standardized and traded on exchanges, options are frequently employed as a tool for advanced trading methods, directional positioning, and risk hedging.
How Do Options Work?
Options are contracts that grant you the right, but not the responsibility, to purchase (call) or sell (put) an underlying asset at a predetermined price (strike) by a predetermined date (expiry).
When you purchase an option, you pay a premium, which represents your maximum loss. Your gain is equal to intrinsic value minus premium if the market moves positively; else, the option may expire worthless. Option prices are significantly impacted by volatility and time decay (theta), thus premiums decrease as expiry draws near unless the underlying changes.
Options can be used for income generation, speculation, or hedging, but they require disciplined risk management due to time sensitivity and leverage.
Understanding Options With Example
Suppose you buy a NIFTY 50 call option with:
● Strike price: ₹24,000
● Premium: ₹200
● Expiry: Current monthly expiry
If NIFTY rises to ₹24,400 at expiry:
● Intrinsic value = ₹400 (₹24,400 − ₹24,000)
● Profit = ₹400 − ₹200 = ₹200 per unit
If NIFTY stays below ₹24,000:
● The option expires worthless
● Your loss is limited to ₹200 (premium paid)
This shows that buyers have limited loss but potentially unlimited profit, while sellers have the opposite payoff.
Types of Options
Option contracts can be of two types only, i.e. call option or put option.
Call Option
A call option gives the holder/buyer the right to buy the underlying asset at a predetermined price on a given date. The predetermined price is called the strike price, and the given date is called the expiry date. In the example above, the Tata Motors stock was the underlying asset, ₹665 was the strike price, and October 26, 2023, was the expiry date.
Buying a call option is said to be a long call strategy, while selling a call option is called a short call strategy. The price the buyer of an option pays to buy the contract is called the option's premium. In the above example, ₹12.05 was the option premium.
Fig.: Long call diagram
You may notice that there is a gap between the strike price and the break even point. This is because, even after the spot price or market price surpasses the strike price, the premium or the price of the option that you paid must still be subtracted from the profit. Therefore, you make a profit overall only when:
Spot price - Strike Price > Premium paid
Put Options
A put option, on the other hand, gives the option holder/buyer the right to sell an underlying asset to the option seller. Like call Options, put Options also have an expiry day on which they can be exercised and a premium that must be paid to buy them. Buying a put option is said to be a long put strategy, while selling a put option is called a short put strategy.
Fig.: Long put diagram
You can find out more about the call and put Options in this article.
Features of an Options Contract
Let us now dive deeper into the salient features of an Options contract:
Option Chain
An option chain is a tabular representation of available option contracts, displaying data such as premiums, open interest, volume, and Greeks.
ITM, OTM and ATM
The profitability of the option is indicated by whether they are in-the-money (ITM), out-of-the-money (OTM), or at-the-money (ATM):
● An option is said to be ITM or in the money, if exercising the option on expiry day gives the option holder profit.
● An option is said to be OTM or out of the money if exercising the option will have no intrinsic value, i.e., the market price is below the strike (put) or above the strike (call).
● If the difference between the strike price and market price is minimal, the option is considered at-the-money (ATM).
No Obligation to Buy or Sell
Options grant the holder the right, but not the obligation, to purchase (call) or sell (put) the underlying asset at the striking price. If the market price is better than the strike on or before expiration, the holder may decide not to exercise.
In contrast, unless the position is closed in advance, futures contracts impose a legally binding responsibility on both the buyer and the seller to transact at the agreed-upon price and date (or settle financially).
Lot Size
Lot sizes for F&O contracts are defined by exchanges and are periodically revised. Traders should always refer to the latest contract specifications before trading. Lot sizes are periodically revised by exchanges (typically based on price changes in the underlying) to maintain a contract value in a standard range.
Settlement of an Option
When an option reaches its expiry date, the option holder can exercise their option. If they exercise this option, then the settlement can either be a physical settlement or a cash settlement.
In India, index options are cash-settled, meaning the difference is settled in cash without delivery of the underlying. Stock (equity) options are physically settled upon expiry. If an in-the-money stock option is held till expiry, it results in compulsory delivery of shares as per SEBI regulations.
Options Greeks
These are a set of important ratios that help us understand the market for Options better. You can find out more about option Greeks here.
Also Read About : Difference Between Futures and Options
American Options vs European Options
● American Options: These options can be exercised at any time up to the expiration date.
● European Options: These options can be exercised only on the expiration date.
In India, all exchange-traded index and stock options are European-style, meaning they can only be exercised on expiry. However, stock options are physically settled upon expiry, while index options are cash-settled.
How To Use Options in Trading?
There are two ways in which you can profit from Options trading:
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Hold until expiry: Hold the contract until it expires and only exercise it if it ends in the money. The net payoff at expiration is equal to intrinsic value minus the premium paid.
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Trade prior to expiration: Sell the option in the market to profit from premium appreciation caused by changes in volatility, underlying movements, or decreased time value.
To profit from Options you must develop an opinion about the path of the underlying and choose a strategy that aligns with your risk tolerance in order to earn from options. Use directional bullish techniques (like a long call or a bull-call spread) if you anticipate price increases; use bearish strategies (like a long put or a bear-put spread) if you anticipate price decreases.
Purchasing a put against a stock you own restricts downside; for example, purchasing a ₹99 strike put on a ₹100 stock limits your loss to around ₹1 plus the put premium. Options are also frequently used for hedging.
Understanding Options Pricing
To understand Options pricing, you must understand the concepts of intrinsic value and time value of Options.
The difference between the strike price, as mentioned in the option, and the actual market price of the underlying asset is known as the intrinsic value of the option. In the above example of a call option, if the market price is ₹700, then the intrinsic value of the call option at the ₹665 strike price would be ₹35.
However, the actual option price is not the same as the intrinsic value. This is because of the time value of the option. The time value of the option affects the premium of the option based on the likelihood of the option becoming in-the-money. This is something that changes with time and is hence called the time value of the option.
You can read about intrinsic value and time value in greater detail here.
Advantages of Options Trading
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Low cost of entry: It allows the investor or trader to take a position with a small amount, as compared to stock transactions. This phenomenon is called having high leverage. In contrast, if you are buying actual stocks, you have to shell out a large sum of money, which would be equal to the price of each stock multiplied by the number of stocks you buy.
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Hedging against risks: Buying Options is actually like buying insurance for your stock portfolio and minimising your exposure to risk. In many cases, the premium you end up paying is the maximum limit of your risk.
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Flexibility: Options give the investor the flexibility to trade for any potential movement in an underlying security. As long as the investor has a view regarding how the price of a security will move shortly, he can use an Options strategy.
Disadvantages of Options
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Liquidity: The options market in India is highly liquid, particularly in index options such as Nifty 50, which ranks among the most actively traded derivative contracts globally.
Note: As per SEBI's directive from November 20, 2024, weekly options are available only on Nifty 50 on NSE (and Sensex on BSE). Bank Nifty, Nifty Financial Services, and Nifty Midcap Select now have only monthly expiries.
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Risk: Depending on the type of option, an Options trader can stand to lose either just the premium or perhaps even an unlimited sum. Learn more about risks in Options trading here.
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Complex: Traders must correctly anticipate both price direction and timing, which can be challenging. Accurately predicting both price direction and timing can be challenging.
Also Read About: Options vs Stocks
Conclusion
Options are strong, adaptable tools that can increase returns, reduce risk, and generate income with comparatively minimal initial investment. However, they come with certain risks, such as time decay, volatility swings, and possibly significant losses for sellers, which call for research, disciplined risk management, and a well-defined trading strategy. Learn the mechanics, test strategies on paper or with small positions, and only scale up once you consistently manage risk and results.
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