Call Option: Meaning, Definition & Indian Stock Market Examples

Right (not obligation) to buy an asset at a fixed strike price before expiry.

Disclaimer: This article is for educational purposes only and does not constitute SEBI-registered investment advice. Consult a SEBI-registered investment advisor before making investment decisions.

What is Call Option?

A call option gives the buyer the right — but not the obligation — to buy an underlying asset at a specified strike price before or on the expiry date. The buyer pays a premium upfront. Maximum loss = premium paid. Maximum profit = unlimited (as asset price rises). Call sellers (writers) collect premium but face unlimited risk.

Call Option — Indian Stock Market Example

Buying a Nifty 22,000 Call at ₹150 premium: if Nifty rises to 22,400 by expiry, the call is worth ₹400 (profit of ₹250 per unit × 50 units = ₹12,500 per lot). If Nifty stays below 22,000, the call expires worthless (loss = ₹150 × 50 = ₹7,500). Weekly Nifty options (expiring every Thursday) are extremely popular in India.

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Frequently Asked Questions about Call Option

When should I buy a call option?

Buy calls when you expect: (1) Significant upward move; (2) Move to happen before expiry; (3) Low implied volatility (cheap options). Calls are better than buying stock when you want leveraged upside with capped downside. Avoid buying calls when India VIX is very high (options are expensive).

What is a covered call strategy?

A covered call: you own shares + sell a call against them. You collect premium income (like a dividend) but cap your upside at the strike price. Popular among long-term shareholders wanting to generate income on flat or moderately rising stocks. Risk: if stock surges beyond strike, your call is exercised and you are forced to sell at strike, missing additional upside.

Related Terms

Put Option

Right (not obligation) to sell an asset at a fixed strike price before expiry.

Futures Contract

Binding agreement to buy/sell an asset at a fixed price on a future date.

Volatility

Degree of price fluctuation — measured by standard deviation or India VIX.

Derivative

Financial instrument whose value derives from an underlying asset — futures, options, swaps.

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