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Currency options, sometimes referred to as forex options, are derivative contracts that grant the buyer the right, but not the obligation, to purchase or sell a currency pair at a fixed exchange rate on or before a given expiration date. In order to acquire this right, the buyer must pay a premium, and if the option is exercised, the seller becomes obligated.
Businesses, financial institutions, and traders commonly use these contracts in order to manage currency risk associated with foreign investment and trade. In India, contracts for currency options are traded in Indian rupees on regulated platforms, including the Bombay Stock Exchange and the National Stock Exchange of India.
Key Takeaways
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Currency options in India are traded on exchanges such as the National Stock Exchange of India and the Bombay Stock Exchange.
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Standard currency options contracts on Indian exchanges typically have a lot size of 1,000 units of the base currency for USD-INR pairs.
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Exchange-traded currency options in India follow the European exercise style, meaning they can be exercised only on the expiry date.
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Major currency derivatives traded in India include USD-INR, EUR-INR, GBP-INR, and JPY-INR pairs.
What are Currency Options?(Forex Options)
A currency option (forex options) is an agreement where the buyer is granted the privilege, without any obligation, to purchase or sell a particular currency at a predetermined exchange rate within a specified timeframe.
To obtain this right, the buyer pays a premium to the option seller. If the buyer chooses to exercise the option at expiry, the seller is obligated to honour the contract according to the agreed terms.
Forex options are commonly used to hedge currency exposure arising from international trade, overseas investments, or global financial transactions.
Trading In Currency Pairs
Currency trading involves purchasing one currency while selling another one, which is why currencies are quoted in pairs. The first currency is referred to as the base currency, and the second is known as the quote currency, which indicates how much of the quotation currency is necessary to acquire one unit of the base currency.
For example, in the USDINR pair, the US dollar is the base currency and the Indian rupee is the quote currency. The exchange rate indicates how many rupees are required to buy one US dollar.
Currency derivatives are traded on exchanges in India, such as the National Stock Exchange of India, and, while contracts are denominated in foreign currencies, settlement occurs in Indian rupees in accordance with the clearing and settlement cycle of the exchange.
Call and Put Forex Options
Call Option
A call option gives the buyer the right to purchase the base currency at a predetermined strike price. Traders typically use call options when they expect the value of the base currency to rise relative to the quote currency.
Put Option
A put option gives the buyer the right to sell the base currency at a predetermined strike price. Put options are typically used when traders expect the value of the base currency to fall relative to the quoted currency.
For example, if a trader purchases a USDINR call option with a strike price of ₹80 and the exchange rate rises to ₹83, the option may become profitable because the currency can be bought at a lower predetermined rate.
The difference between the market price (₹83) and the strike price (₹80) is ₹3 per dollar. If the contract size is USD 1,000, the potential gain before accounting for the premium would be:
Profit = ₹3 × 1,000 = ₹3,000
If the exchange rate had instead fallen below ₹80, the trader could simply choose not to exercise the option, limiting the loss to the premium paid for the contract.
Advantages of Currency Options
It’s not just importers and exporters who can benefit. Speculators, too, can take advantage of the changes in the value of a currency. The low premium makes it possible for them to take much larger positions through leverage.
If you want to trade in ₹1 crore worth of these options, you will only have to pay ₹3 lakh as a premium to the broker. This enables you to trade in larger volumes, which increases your chances of making a profit.
The most significant advantage of forex options is that, while the upside can be unlimited, the downside is limited to the premium that you have paid.
Suppose you buy one USDINR call option (lot size: USD 1,000) with a strike price of ₹70. If the rate rises to ₹100, the intrinsic value becomes ₹30 per dollar, giving a gross gain of ₹30,000 (₹30 × 1,000) before accounting for the premium.
How To Trade Currency Options?
Currency options in India can be traded through registered brokers that provide access to currency derivative segments of stock exchanges such as NSE and BSE.
The most actively traded currency options in India include USDINR, EURINR, GBPINR, and JPYINR contracts. These derivatives are typically traded in standardised lot sizes, with USDINR options generally having a contract size of USD 1,000. These contracts are cash‑settled in Indian rupees based on the final settlement price published by the exchange.
Traders can open positions by purchasing call or put options depending on their market expectations. Positions may be closed before expiry by taking an opposite trade in the market.
Advantages of Forex Options
Forex options offer several characteristics that make them useful, including:
Limited Downside Risk
The buyer’s maximum loss is limited to the premium paid for purchasing the option.
Hedging Currency Exposure
Businesses involved in international trade may use currency options to manage potential losses caused by exchange rate fluctuations.
Flexibility in Trading Strategies
Options allow market participants to take positions based on different expectations about currency movements and volatility.
Standardised Exchange Trading
In India, exchange-traded currency options are standardised and regulated, which provides transparency in pricing and settlement.
Disadvantages of Forex Options
Despite their flexibility, forex options also involve certain limitations that market participants should understand, including:
Premium Cost
To obtain the right to buy or sell a currency pair, the option buyer must pay a premium upfront. If the option expires without being exercised, the premium paid becomes a loss.
Time Decay
The value of an option may decline as it approaches its expiry date. Even if the exchange rate remains stable, the option premium may decrease over time due to this time decay.
Market Volatility Impact
Option prices are influenced by volatility in the currency market. Sudden changes in volatility can affect option premiums, making pricing less predictable.
Limited Liquidity in Some Contracts
While USDINR options generally have high trading volumes, certain currency pairs may experience lower liquidity. Lower liquidity can lead to wider bid-ask spreads and reduced trading efficiency.
Conclusion
Forex options are derivative contracts that allow you to purchase or sell a currency pair at a predefined exchange rate within a set time frame. They are commonly used to mitigate exchange rate risk and participate in currency market movements.
In India, currency options are traded on authorised exchanges such as the NSE and BSE, and they are paid in Indian rupees using the RBI reference rate. Understanding how these contracts function allows traders and organisations to better manage their currency-related financial exposure.
