What is the difference between futures and options?

Futures contracts obligate the buyer to purchase (and seller to sell) the underlying asset at a predetermined price on a specific future date. Options give the buyer the right, but not the obligation, to buy (call) or sell (put) the underlying at a set price before expiration. Futures have unlimited profit and loss potential for both parties. Options have limited risk for buyers (premium paid) but unlimited risk for sellers.

What are Options Greeks?

Greeks measure how sensitive option prices are to various factors: Delta (rate of change of option price relative to underlying price), Gamma (rate of change of Delta), Theta (time decay — how much value is lost per day), Vega (sensitivity to volatility changes), and Rho (sensitivity to interest rates). Understanding Greeks is essential for managing multi-leg option positions and predicting how your P&L will change as market conditions evolve.

What is the best strategy for beginners in F&O?

Beginners should start with limited-risk strategies: (1) Long calls or puts — simple directional bets with defined risk, (2) Covered calls — if you own the stock, sell calls against it for income, (3) Bull call spreads or bear put spreads — directional trades with capped risk and reward. Avoid naked selling (unlimited risk) and complex multi-leg strategies until you've mastered basics. Signalix paper trading is the ideal environment to practice these strategies risk-free.

How does futures margin work?

Futures margin is a good-faith deposit required to enter a position — not a down payment. It's typically 10-20% of contract value for indices, 20-30% for stocks. Margin requirements change daily based on SPAN calculations. If the market moves against you, you'll need to maintain the minimum margin; otherwise, your broker may square off your position. Long futures and short futures have identical margin requirements.

What happens at options expiry?

At expiry, in-the-money (ITM) options are automatically exercised: calls where strike spot. The difference is cash-settled. Out-of-the-money (OTM) options expire worthless. On expiry day, margin requirements increase significantly for short ITM options. Traders should either close positions before expiry or ensure sufficient margin for potential assignment. Signalix provides expiry alerts to help manage this risk.

What is IV (Implied Volatility) crush?

IV crush refers to the rapid decline in option prices after significant events (earnings, elections, RBI announcements) when uncertainty resolves. Options become expensive before events due to high IV, then lose value quickly after as IV collapses. This hurts long option holders but benefits short option sellers. Timing entry before events and exit after is a common theta play, but carries substantial risk if the underlying moves unexpectedly.

How do I calculate breakeven for options?

Breakeven depends on strategy: Long call: Strike + Premium paid. Long put: Strike - Premium paid. Short call: Strike + Premium received (max profit point). Short put: Strike - Premium received (max profit point). For spreads: Bull call spread = Lower strike + Net premium paid. Bear put spread = Higher strike - Net premium paid. Understanding breakevens is crucial for position sizing and setting realistic expectations.

What is a straddle vs strangle?

A straddle involves buying (or selling) both a call and put at the same strike price, typically at-the-money (ATM). It's used when expecting a big move but uncertain of direction. A strangle uses different strikes — typically out-of-the-money (OTM) call and OTM put. Strangles are cheaper than straddles but require larger moves to profit. Both are volatility plays; they profit from large moves or high IV, lose from small moves or IV crush.

Complete F&O Guide

Futures & Options Trading

Master the derivatives market with Signalix. From basics to advanced strategies, understand how F&O works and how to trade with AI-powered signals.

Futures and Options (F&O) are derivative contracts that derive their value from an underlying asset — stocks, indices, commodities, or currencies. They allow traders to speculate on price movements, hedge existing positions, or generate income through premium collection. In India, F&O trading dominates the derivatives market with daily turnover exceeding ₹3 lakh crore.

How Futures Work

A futures contract is a legal agreement to buy or sell an asset at a predetermined price on a specific future date. Both parties are obligated to fulfill the contract. In practice, most futures positions are closed before expiry rather than resulting in physical delivery.

Key characteristics: (1) Leverage — Control large positions with margin (typically 15-20% of contract value), (2) Standardization — Contract size, expiry dates, and specifications are fixed by the exchange, (3) Mark-to-market — Daily settlement of gains/losses, (4) Obligation — Both buyer and seller must fulfill the contract at expiry if not closed.

Long Futures (Buy)

Profit when price rises. Unlimited profit potential, unlimited loss risk. Pays mark-to-market if price falls. Used for bullish speculation.

Short Futures (Sell)

Profit when price falls. Unlimited profit potential, unlimited loss risk. Pays mark-to-market if price rises. Used for bearish speculation or hedging.

How Options Work

Options provide the right, but not the obligation, to buy (call) or sell (put) an underlying asset at a set price (strike) before expiration. This asymmetry creates unique risk-reward profiles that futures cannot replicate.

Call Options

• Right to BUY underlying
• Profits when price rises above strike
• Buyer risk: Limited to premium paid
• Seller risk: Unlimited (if naked)
• Breakeven: Strike + Premium

Put Options

• Right to SELL underlying
• Profits when price falls below strike
• Buyer risk: Limited to premium paid
• Seller risk: Substantial (strike - premium)
• Breakeven: Strike - Premium

Risk Warning

F&O trading involves substantial leverage and risk. A small adverse move can result in significant losses. Options sellers face unlimited or substantial risk. Always understand your maximum loss before entering any position.

Understanding Options Greeks

Spot Price

Strike Price

Days to Expiry

IV (%)

Delta (Δ): Directional exposure

Rate of change of option price relative to underlying price. Delta of 0.5 means option moves ₹0.50 for every ₹1 move in underlying.

These are simplified educational approximations. Actual Greeks vary by model (Black-Scholes, Binomial) and market conditions.

Popular F&O Strategies

These payoff diagrams illustrate P&L at expiration for common F&O strategies. Use Signalix paper trading to test these strategies in real market conditions before committing capital.

Long Call

Buy a call option for bullish exposure with limited risk

BULLISH

Strategy Legs

Buy 1 Call

Max Profit

Unlimited

Max Loss

Premium Paid

Breakeven

Strike + Premium

When to Use This Strategy

• Best for bullish market outlook
• Risk level: Defined/Capped
• Complexity: Beginner-friendly

Practice First: Test this strategy in Signalix paper trading with ₹10,00,000 virtual capital before risking real money.

F&O Risk Management

Position Sizing

Never risk more than 1-2% of capital per trade. F&O leverage amplifies both gains and losses.

Margin Awareness

SPAN + Exposure margins change daily. Maintain buffer above minimum requirements.

Expiry Planning

Close or roll positions before expiry. Margin requirements increase significantly on expiry day.

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F&O Trading FAQs

Last updated: May 2026

F&O contract specifications sourced from NSE/BSE. Margin data updated weekly.

Sources & References

NSE
NSE F&O Market Turnover Statistics(2026)
NSE
SPAN Margin Calculation Methodology(2024)
SEBI
SEBI Annual Report 2022-23 - Derivatives Market Statistics(2023)