Options trading for beginners
Options sound complicated, but the idea behind them is something you already understand: paying a small amount today to lock in a price for later.
Imagine you see a flat you like, priced at ₹50 lakh. You aren’t ready to buy it today, but you think its price will go up soon. So you pay the owner ₹50,000 and agree on a deal: for the next three months, you have the right to buy the flat at ₹50 lakh, no matter what happens to prices. If prices jump to ₹60 lakh, you use your right and save a lot. If prices fall, you simply walk away. You lose the ₹50,000, but nothing more.
That, in plain words, is an option. You pay a small amount today for the right, but not the duty, to buy or sell something at a fixed price before a fixed date.
In the stock market, the same idea is used for shares and indices like Nifty and Bank Nifty. This guide explains how it works, step by step, in simple words. It also explains the risks honestly, because options are one of the fastest ways to lose money in the market if you jump in without understanding them.
The basic words you need to know
Options come with a handful of new words. Here they are, explained simply, using the flat example from above.
| Word | What it means | In the flat example |
|---|---|---|
| Underlying | The thing the option is about: a share or an index like Nifty | The flat |
| Strike price | The fixed price written in the option | ₹50 lakh |
| Premium | The price you pay to buy the option | ₹50,000 |
| Expiry | The last date the option is valid | Three months from today |
| Lot size | Options are traded in fixed bundles, not single units. The exchange sets this number and changes it from time to time. | (Not in the example, but important in the market) |
What is a call option?
A call option gives the buyer the right to buy at the strike price. You buy a call when you think the price will go up.
The flat example above is a call. You paid a premium for the right to buy at a fixed price, hoping the real price would rise above it.
What is a put option?
A put option gives the buyer the right to sell at the strike price. You buy a put when you think the price will go down.
A simple way to think about it: a put is like insurance. If you own shares and worry their price might fall, a put lets you lock in a selling price. If the price crashes, your put gains value and softens the blow. If the price doesn’t fall, you lose only the premium, just like an insurance policy you never had to claim.
A simple example with Nifty
Let’s walk through one call and one put with easy numbers. (These numbers are made up to keep the maths simple. Real premiums and lot sizes will be different, so always check the live market.)
Buying a call
Nifty is at 24,500. You think it will rise. You buy a 24,600 call option for a premium of ₹100. Say one lot is 50 units, so you pay ₹100 × 50 = ₹5,000.
- If Nifty rises to 24,900 by expiry: your call is worth 24,900 − 24,600 = 300 points. That’s 300 × 50 = ₹15,000. Minus the ₹5,000 you paid, your profit is ₹10,000.
- If Nifty stays below 24,600: your call expires worth nothing. You lose the ₹5,000 you paid, and not a rupee more.
Buying a put
Nifty is at 24,500. You think it will fall. You buy a 24,400 put for a premium of ₹90. With one lot of 50 units, you pay ₹90 × 50 = ₹4,500.
- If Nifty falls to 24,100 by expiry: your put is worth 24,400 − 24,100 = 300 points, or ₹15,000. Minus the ₹4,500 paid, your profit is ₹10,500.
- If Nifty stays above 24,400: your put expires worth nothing. You lose the ₹4,500 you paid.
Notice something important: in both examples, the price had to move far enough, and fast enough, before expiry. Being right about the direction isn’t enough. You also need to be right about how much and how soon. That’s the part most beginners miss.
Buying vs selling options: the big difference
Every option trade has two sides. Someone buys it, and someone sells it (also called “writing” the option). The two sides have very different risks.
| Option buyer | Option seller | |
|---|---|---|
| Money at the start | Pays the premium | Receives the premium |
| Most they can lose | Only the premium paid | Can be very large, much more than the premium received |
| Most they can gain | Can be large if the price moves a lot | Only the premium received |
| Money needed | Just the premium | A large margin (security deposit) held by the broker |
| What time does to them | Hurts. The option loses value every day as expiry gets closer | Helps. They gain as the option slowly loses value |
Selling options can look attractive, since sellers often win small amounts many times in a row. But one big, sudden market move can wipe out months of small gains in a single day. That’s why selling options is generally better left until you have real experience and a solid grasp of risk.
Why your option loses value even when the price doesn’t move
This surprises almost every beginner. You buy a call, Nifty stays exactly where it was, and yet your option is worth less the next day.
That’s because part of an option’s premium is simply the value of time, the chance that the price might still move in your favour before expiry. Every day that passes, there’s less time left for that to happen, so the option slowly loses value. This is called time decay, and it speeds up as expiry gets closer.
In plain words: when you buy an option, the clock is always working against you.
How to place your first options trade, step by step
- Get F&O activated on your account. Options trading isn’t switched on by default. Your broker will ask for income proof (like a bank statement or ITR) before turning it on.
- Pick the underlying and expiry. For example, Nifty options expiring this month.
- Choose call or put, depending on whether you expect the price to rise or fall.
- Choose a strike price. Open the option chain to see all the available strikes and their premiums. (Our option chain guide explains how to read it.)
- Check the total cost: premium × lot size, plus brokerage and charges.
- Decide your exit before you enter. Write down at what price you’ll take profit and at what price you’ll cut your loss.
- Place the order and stick to your plan.
Mistakes beginners often make
- Buying very cheap, far-away options. An option for ₹2 looks like a bargain, but it’s cheap because the price is very unlikely to reach it. Most of these expire worth nothing.
- Holding till the last day hoping for a miracle. Time decay is fastest near expiry. Waiting often turns a small loss into a full loss.
- Selling options without understanding the risk. Small, steady gains can hide a very large possible loss.
- Putting too much money in one trade. Keep each trade small enough that losing it fully wouldn’t hurt your finances.
- Trading on tips. Options move fast. Following someone else’s call without knowing why usually means you’ll also follow them out too late.
- Revenge trading after a loss. Trying to “win it back” quickly is how small losses become big ones.
- Using money you’ll need soon. Only trade options with money you can genuinely afford to lose.
An honest word about risk
Common questions
1. What’s the difference between a call and a put?
A call gains value when the price goes up. A put gains value when the price goes down. Buy a call if you expect a rise, and a put if you expect a fall.
2. How much money do I need to start options trading?
To buy an option, you only need enough to pay the premium for one lot, plus charges. Selling options needs much more, since the broker blocks a large margin. Whatever the amount, only use money you can afford to lose.
3. Can I lose more than I invest?
When you buy an option, no. The most you can lose is the premium you paid. When you sell an option, yes, losses can be much larger than the premium you received.
4. What happens to my option on expiry day?
If it’s worth something at expiry, it’s settled in cash and the profit is added to your account. If it’s worth nothing, it simply expires and you lose the premium paid. Many traders close their position before expiry instead of waiting.
5. Do I have to hold my option until expiry?
No. You can sell your option any time before expiry, as long as the market is open. Most option buyers exit early to lock in profit or limit a loss.
6. Is options trading the same as gambling?
It doesn’t have to be, but it can quickly become like gambling if you trade without a plan, use money you can’t afford to lose, or chase tips. Used carefully, options can also help protect shares you already own.
7. Should beginners buy or sell options?
Most beginners are better off starting by buying small, since the risk is limited to the premium. Selling options carries much bigger risk and is generally better left until you have real experience.
Trading options with Ashlar
If you’ve read this far and still want to try, start with a SEBI-registered broker, small amounts, and a clear plan.
Ashlar at a glance
Ashlar Securities Pvt. Ltd. is a SEBI-registered brokerage.
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Investments in securities market are subject to market risks. Read all related documents carefully before investing.
All numbers in the examples above are made up for teaching purposes and are not real market data. Lot sizes and exchange rules change from time to time. This article is for education only and is not a recommendation to buy or sell any option.