An iron condor is a short strangle with insurance bought on both sides. That one sentence contains most of what matters, and it explains both why the structure exists and what it costs you.
This works through the four legs with numbers, the trade-off you accept in return for capping the loss, and the specific things India's weekly expiry cycle does to it.
The four legs, with numbers
A condor is built from two vertical spreads — one on each side of the current price. All four legs share an expiry.
Worked example. Nifty is at 24,500 and you expect it to stay in a range.
| Leg | Action | Strike | Premium |
|---|---|---|---|
| 1 | Sell put option | 24,300 | +70 |
| 2 | Buy put option | 24,100 | −35 |
| 3 | Sell call option | 24,700 | +65 |
| 4 | Buy call option | 24,900 | −30 |
Net premium received is 70 − 35 + 65 − 30 = 70 points. That is the most this position can make, and it is made if the index finishes anywhere between 24,300 and 24,700.
The maximum loss is the width of either wing minus the premium: 200 − 70 = 130 points. That happens if the index finishes beyond 24,100 or beyond 24,900, and — this is the entire point of the structure — it does not get worse no matter how far beyond.
Breakevens sit at 24,300 − 70 = 24,230 on the downside and 24,700 + 70 = 24,770 on the upside.
What the wings actually buy you
Compare this against selling the strangle alone — legs 1 and 3 without the protection.
The naked strangle collects 135 instead of 70, so you give up nearly half the premium. In exchange you get two things, and the second is bigger than the first.
The loss is capped at 130 points. A naked short position has no defined ceiling; a gap opening on unexpected news can produce a loss many times the premium collected.
The margin requirement falls substantially. Because the risk is defined, the exchange blocks far less capital than for an unhedged short position. For a retail account this is often the difference between a structure being available at all and not.
That second point is worth dwelling on. People frame the wings as an insurance cost, which they are, but for most retail traders they are also what makes the position affordable in the first place. Halving the premium to quarter the margin can improve return on capital even though the absolute profit is lower.
The Greeks, and where the danger sits
Read the position through the Greeks and its behaviour stops needing memorisation.
Delta near zero at entry, since the two sides offset. It does not stay there — as price moves towards one side, the position becomes directional in the wrong direction.
Theta positive. Time passing helps, which is the reason for the trade.
Gamma negative, but less negative than a naked strangle, because the long wings push back. This is the meaningful difference: losses still accelerate as price moves towards a short strike, but the acceleration stops once price passes the long strike.
Vega negative. You want implied volatility to fall or stay put. A volatility expansion hurts even if the index has not moved.
The danger zone is specific: price sitting just beyond a short strike with time remaining. There the position is losing, gamma is working against you, and both adjusting and exiting are expensive because all four legs must be dealt with.
What weekly expiry does to it
India's weekly cycle changes this structure more than most people account for.
Weekly options decay fast, which sounds purely good for a premium-collecting position. The catch is that gamma rises just as sharply over the same days, so the profit accrues in exactly the window where a fast move does the most damage. You are not being paid for nothing; you are being paid for accepting that risk in a compressed period.
Practically that means a weekly condor is a different trade from a monthly one, even with identical strikes. The weekly collects less premium in absolute terms, needs the range to hold for a shorter period, and punishes a breach far more abruptly. The monthly gives you room to be wrong for a while and be rescued by a return to the range.
Neither is better. But choosing weeklies because the decay looks attractive, without accounting for the gamma that arrives with it, is a common and expensive misreading.
Choosing strikes, and the honest trade-off
Every choice here trades probability against payoff, and there is no setting that avoids the trade-off.
Short strikes closer to the money collect more premium and are breached more often. Further out collect less and are breached less. Delta is the useful guide: a 0.16 delta short strike is being priced by the market as roughly a one-in-six chance of finishing in the money, which is a more honest way to think about it than looking at the premium.
Wider wings collect more but raise both the maximum loss and the margin. Narrower wings cost more premium and cap the loss tighter.
What to be suspicious of is any rule presented as optimal. A condor that wins nine times out of ten and loses roughly twice the premium when it loses is not obviously better than one that wins seven times and loses less. Both can be profitable and both can be ruinous, depending on sizing and on how you handle a breach.
This is a description of mechanics, not a recommendation to place any particular structure.
The part nobody plans: what you do when it breaches
Most people plan the entry carefully and improvise the exit, which is backwards.
Decide before entering: at what point do you act, and what is the action? Common answers are exiting the tested side, rolling that side further out, closing the whole position at a defined multiple of the premium received, or doing nothing at all because the risk is defined and you accepted it.
All four are defensible. Improvising is not, because the moment of decision arrives when the position is losing and you are least able to think clearly about it.
Two practical notes specific to condors. Adjustments are expensive — four legs means four sets of costs, and rolling turns one trade into several. And a defined-risk position is one you are permitted to simply hold to expiry, which is a genuine option that traders with unlimited-risk positions do not have. Sometimes the correct adjustment is none.
Automating it, and what that requires
Condors suit automation well, because every decision in them is a number. Which strikes, by delta or by distance. When to enter, relative to expiry. What breach triggers what action. When to stop for the day.
Two implementation details bite people. All four legs should be placed as a single basket where the broker supports it, because legging in one at a time exposes you to the market moving between fills. And your program must read positions back from the broker rather than assuming all four filled — a partially filled condor is not a condor, it is a naked short position with a hedge you did not get.
Backtesting one honestly is harder than it looks, because you need historical option chain data with the right strikes and expiries, and the bid-ask spreads on four legs matter far more than on a single position.
Live chains, margin figures and multi-leg order placement all come from a broker account.
Multi-leg positions need a live account
Margin benefit on a hedged structure is calculated by your broker. Account free to open
Condors, the Greeks behind them and the adjustment decisions are covered in our Futures & Options Mastery course at Rs 10,000 — ten modules from contract mechanics through option selling and risk. One payment, permanent access, free demo on WhatsApp first.
We sell no tips and no signal group, we manage nobody's money, and we promise no returns. Options can lose money quickly, and every number in this article is illustrative.
Disclosure: the account-opening link on this page is under Atul Shrivastava's Zerodha Authorised Person registration (NSE AP Reg: AP2516003481; Zerodha Broking Ltd. SEBI Reg: INZ000031633) and earns a revenue share. TheFinBaba is not a SEBI-registered Investment Adviser — this content is educational, not investment advice.
Frequently Asked Questions
What is an iron condor?
A short strangle with protection bought on both sides - four legs sharing one expiry. You sell an out-of-the-money put and call option, and buy further out-of-the-money ones as wings. Profit is the net premium if price stays between the short strikes; loss is capped at the wing width minus that premium.
How is an iron condor different from a short strangle?
The wings. A strangle collects more premium but carries loss with no defined ceiling. A condor collects roughly half as much, caps the loss, and requires substantially less margin - which for most retail accounts is what makes the position possible at all.
How much margin does an iron condor need in India?
Far less than an unhedged short position, because the risk is defined and the exchange recognises the hedge. The exact figure depends on the index level, the wing width and exchange rules, so use your broker's margin calculator rather than any number in an article.
Are weekly or monthly iron condors better?
They are different trades. Weeklies decay faster but gamma rises just as sharply, so the profit accrues exactly when a fast move hurts most. Monthlies collect more in absolute terms and give you room to be wrong for a while. Choosing weeklies for the decay without accounting for the gamma is a common mistake.
What should I do if the price breaches my short strike?
Whatever you decided before entering - exit the tested side, roll it out, close at a defined multiple of the premium, or hold to expiry because the risk was defined and accepted. All are defensible. Improvising while losing is not, and four-leg adjustments are expensive.
Can an iron condor be automated?
Yes, since every decision is a number. Place all four legs as one basket rather than legging in, and have your program read positions back from the broker - a partially filled condor is a naked short position with a hedge you did not get.
Related Reading
- Straddle vs strangle - the margin difference
- Option Greeks explained with examples
- How to read an option chain
- F&O taxation in India: ITR-3, turnover and audit
- Zerodha historical data API in Python
- Futures & Options Mastery - full syllabus
- All course fees, stated plainly
Disclaimer: TheFinBaba provides educational content only - this is not investment advice. Trading involves risk of loss.
