A share trade can involve owning part of a company. Some market contracts work in other ways. Their value is linked to an asset. Holding them does not always mean owning that asset. These contracts have fixed terms and end dates. Knowing these basics helps explain how they work and where risks arise.
What Does F&O Stand For?
The F&O meaning is futures and options. Both are derivatives, which means their value comes from a linked asset. In India’s equity market, that asset can be an eligible stock or a stock index.
A stock contract tracks one company’s shares. An index contract tracks an index, such as the Nifty 50. The exchange sets each contract’s terms. These include the lot size and expiry date.
Futures and options can be used to manage price risk or take a view on price moves. Both can lead to losses. Each has its own rules for gains and losses.
How Do Futures Work?
A futures contract binds the buyer and seller to settle a trade under agreed terms on a future date. Its price is set when the trade takes place. A trader can close the position before expiry with an opposite trade.
Index futures give exposure to an index’s price moves. They do not give a direct stake in all the shares in that index.
A buyer gains when the futures price rises and loses when it falls, before costs. The reverse holds for a seller. Each move affects the full contract size, not just the funds paid upfront.
How Do Options Work?
An option gives its buyer a right under the contract, without a duty to exercise it. The buyer pays a price called the premium. The seller receives that premium and takes on a duty if the option is exercised.
A call gives the right to buy the asset at a set price. A put gives the right to sell it. This set price is called the strike price. Index options settle in cash, so no basket of shares changes hands.
Indian exchange-traded equity options are European style. This means exercise takes place at expiry, not before it. A trader can close a position before expiry if a matching trade is found.
Terms That Explain a Contract
- Lot size: The number of units in one contract. Orders must follow the exchange’s set lot rules.
- Expiry: The date on which a contract ends. Expiry dates depend on the product and exchange rules.
- Premium: The amount paid by an option buyer. A quoted premium is per unit, so the total depends on lot size.
- Margin: Funds or pledged assets required to support a position. Futures traders and option sellers must meet margin rules.
- Settlement: How a contract is closed out. This may involve cash or delivery of shares.
A Simple Example
Assume a fictional futures contract has 50 units. A trader buys one lot at ₹200 per unit and closes it at ₹204.
The price gain is ₹4 per unit. Times 50, this gives a gross gain of ₹200. If the exit price is ₹196, the gross loss is ₹200.
Both sums exclude fees and taxes. The lot size is assumed. It is not a live contract size. It shows why a price change can affect the position.
How Margin and Settlement Work
Margin is only part of a futures contract’s value. This creates leverage. The trade covers the full value. Losses can exceed the first margin.
Futures gains and losses are settled daily. This is called mark to market. A loss may require extra funds. Margin needs can change as market risks change.
Index contracts settle in cash. Stock contracts held through expiry can create delivery duties. A stock option buyer may need funds or shares when exercise leads to delivery. Paying the premium alone does not cover every settlement need.
How to Read F&O Details
- Identify the stock or index. Then check whether the contract is a future, call or put. For an option, note the strike price.
- Check the lot size and expiry. Read the margin or premium amount and the settlement terms. Include brokerage, taxes and other charges when checking costs.
- Know the risk. Options can lose value as time passes. A buyer can lose the full premium. An option seller without a hedge can face large losses. Thin trading can also make an exit hard.
Conclusion
To grasp F&O meaning, start with how futures and options differ. Futures create duties for both sides. Options give buyers rights while sellers take on duties. Lot size, margin, premium and settlement shape each trade. These contracts can help manage risk, but they also carry risks of their own. Knowing these terms helps explain the risk behind each price.
