Futures are where many traders first meet leverage — and where many first lose big. A futures contract lets you control a large position with a relatively small amount of money. That's thrilling on the way up and brutal on the way down. Let's break it down with real Nifty numbers, simply. This is for learning only, not advice.
What a futures contract is
A future is simply an agreement to buy or sell something at a fixed price on a future date. In the stock market, a Nifty future is a bet on where the Nifty index will be by the contract's expiry. Unlike a share, a future has an expiry date (Nifty futures now expire on the last Tuesday of the month), and you trade it in fixed lots.
A real Nifty example
As of 2026, one Nifty futures lot is 65 units. Say the Nifty is at 22,500. Then one lot controls:
> 65 × 22,500 = ₹14.6 lakh of the index.
Here's the key part — you don't pay ₹14.6 lakh. You only put up a margin, roughly 10–12% of the contract value, say about ₹1.5 lakh, to control the full ₹14.6 lakh position. That is leverage of nearly 10×.
Why that cuts both ways
Leverage magnifies everything:
- If the Nifty rises just 1% (225 points), one lot gains 65 × 225 = ₹14,625 — on your ₹1.5 lakh margin, that's nearly a 10% gain. Exciting.
- If the Nifty falls 1%, you lose ₹14,625 the same way. And if it falls 3–4% in a day on bad news, the loss can wipe out most of your margin.
Worse, losses are settled in cash daily (called mark-to-market). If the trade moves against you, your broker asks for more money the same day — and if you can't pay, your position is closed at a loss automatically.
The honest risks
- Unlimited-feeling losses. Because you control far more than you put in, a sharp move can cost far more than you expected.
- Expiry pressure. A future isn't a share you can hold forever; it expires, forcing a decision.
- Costs and margin. Frequent futures trading stacks up brokerage and taxes, and ties up large margin.
Futures do have a genuine, sensible use — hedging, i.e., protecting a portfolio you already own. But as a way to "make quick money," the odds are harsh: SEBI's data shows over 91% of individual F&O traders lost money in 2024-25, together losing about ₹1.05 lakh crore in a single year.
The takeaway
A futures contract lets a small amount control a large position — and that single feature is both its appeal and its danger. For almost everyone, patient investing beats leveraged trading. If you're exploring derivatives, start with the basics in calls and puts explained, and never risk margin money you can't afford to lose.
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