What is a call option and how does it work in India?

Short answer: A call option gives the buyer the right to buy 100 shares of a stock at a fixed price before a specific date, while selling (or writing) a call option can generate income but may obligate you to sell the stock.

Call options are financial contracts that give the holder the right—but not the obligation—to purchase an underlying asset (like stocks listed on NSE or BSE) at a predetermined price (strike price) within a specified time frame. This right is granted in exchange for a premium paid by the buyer to the seller of the option.

Understanding Call Option Buyers

When you buy a call option, you are speculating that the underlying asset's price will rise above the strike price before the expiration date. If it does, you can exercise your right to purchase the shares at the agreed-upon lower price, then sell them in the market for a profit. However, if the stock’s price falls below or stays below the strike price by expiration, you can let the option expire worthless.

The Role of Call Option Sellers

Selling (or "writing") call options involves obligating yourself to sell 100 shares of the underlying asset at the agreed-upon price if the buyer exercises their right. This strategy is riskier because it requires you to have sufficient shares in your portfolio or the ability to borrow them, and you must be prepared to fulfill this obligation regardless of market conditions. Selling call options can generate income from premiums but exposes you to potential losses if the underlying stock's price rises sharply.

Practical Considerations for Indian Investors

In India, trading call options requires compliance with SEBI regulations and listing on exchanges like NSE or BSE. The premium paid or received is subject to tax as per the Income Tax Act of 1961. For instance, any gains from exercising a call option may be taxed under capital gains rules.

Risk Management

Both buying and selling call options involve significant risks. Buying calls can amplify losses if the stock price doesn’t move in your favor, while writing calls exposes you to unlimited potential losses if the underlying asset's price soars. It’s crucial for Indian investors to understand these dynamics thoroughly before engaging in such trades.

Conclusion

Whether you buy or sell call options depends on your investment strategy and risk tolerance. Buying a call option is suitable for those anticipating an increase in stock prices, whereas selling (writing) calls can be a more conservative approach generating income but with higher risks if not managed properly. Always consider seeking professional advice to align these strategies with your financial goals and market conditions.

Sources: What Are Call Options and How Do They Work? 3 Examples · Call Options Explained: When to Buy vs When to Sell · Call, Put, Long, Short: The 2×2 Mental Model for Options — Oyamori · Call Options Explained: How They Work · Call vs. Put: What’s the Difference? - NerdWallet

This explainer was researched and drafted by the Investdesk AI Desk to answer a question readers commonly ask. It is general information, not personalised financial advice.