Building an Iron Condor
on Nifty

A four-legged, defined-risk trade that profits when NIFTY stays range-bound — here is exactly how to structure it, size it, and manage it from entry to exit.

The iron condor is one of the most popular defined-risk selling strategies in Indian index options. It combines a short call spread above the market with a short put spread below it, creating a profit zone in the middle. When NIFTY stays inside that zone through expiry, you keep the net premium. When it breaks out, your loss is capped by the long options you own. That defined-risk structure is the core reason retail traders gravitate to it — unlike a naked short strangle, your broker's margin call can't spiral out of control.

What an iron condor is made of

An iron condor has four legs — all in the same expiry:

Sell an OTM call (the short call)
Buy a further OTM call one or two strikes higher (the long call hedge)
Sell an OTM put (the short put)
Buy a further OTM put one or two strikes lower (the long put hedge)

The net credit you receive is your maximum gain. The width of each spread minus the credit received is your maximum loss on either side. Both maximum loss and maximum gain are known at entry — that is the point.

A worked hypothetical example

Suppose NIFTY is near 22,500 on a Monday, four days before weekly expiry, and India VIX is around 13 — a calm regime. You decide to sell a 22,800/23,000 call spread and a 22,200/22,000 put spread, collecting a combined net credit of roughly ₹60 per unit.

Net credit received: ₹60 × 75 lots = ₹4,500 per set
Spread width on each side: 200 points
Max loss per side: (200 − 60) × 75 = ₹10,500
Breakevens: 22,140 on the downside, 22,860 on the upside
Profit zone: NIFTY between 22,200 and 22,800 at expiry

This is purely hypothetical — actual premiums depend on real-time IV and time to expiry.

Choosing your strikes

Most traders using this structure on weekly NIFTY expiries aim for short strikes at roughly 1–1.5 standard deviations away from spot — that places them outside the expected move implied by VIX. A quick shortcut: if ATM IV is 12% annualised and you have four days to expiry, the 1-sigma one-day move is approximately spot × IV / √252. Multiply by roughly 2 to get a 95%-confidence four-day range. Strike selection is always a trade-off between premium collected and probability of being tested.

Reading the option chain before you enter

Before placing the trade, check the NIFTY option chain for two things. First, look at open interest at your intended short strikes — very high OI near a strike signals a gamma wall where market makers may defend, which works in your favour as long as NIFTY stays away from it. Second, read the implied volatility skew: if put IV is significantly higher than call IV, the put credit may be richer, giving you more premium on the downside wing. The PCR also gives a quick sense of whether sentiment is overly bearish or bullish, helping you decide whether to tilt your short strikes.

Margin and capital requirements

NSE charges SPAN + Exposure margin on the short legs, partially offset by the long legs. As a rough guide, a standard 200-point wide iron condor on NIFTY typically requires around ₹40,000–₹55,000 in margin per set, though your broker's actual calculation will differ. Always check margin in the broker's platform before placing the order. Keeping total risk (max loss) below 2–3% of your trading capital per position is a sensible starting rule.

Managing the trade: the three scenarios

NIFTY stays in range. Theta does its work. You can choose to hold until expiry or exit when you have captured 50–70% of the initial credit, whichever comes first. Exiting early eliminates the risk of a last-day spike and frees margin.

One side is threatened. If NIFTY moves toward your short call or short put, you have several choices: close just the threatened spread at a loss and let the profitable side decay; close the entire trade; or roll the threatened spread further out-of-the-money, accepting a net debit to buy time. Rolling is not free — treat it like opening a new position, not like avoiding a loss.

A sharp move through a short strike. This is why the long hedge exists. Close the position immediately rather than hoping for a reversal. The defined-risk structure means you already know the worst case — take it and preserve capital for the next trade.

What to track after entry

Monitor open interest shifts at your short strikes daily. Rising OI at the short call strike while spot rallies is a warning sign; the trade is being tested and gamma is accelerating. Also watch India VIX: a VIX surge mid-trade inflates your short positions' mark-to-market loss even before NIFTY reaches your strikes. If VIX doubles from entry, consider reducing position size or exiting early.

Frequently asked questions

What is the maximum profit on a NIFTY iron condor?

The maximum profit is the net premium collected when you open the trade, multiplied by the lot size of 75. This is realised only if NIFTY expires between the two short strikes.

When should I exit an iron condor early?

A common rule is to close the trade when you have captured 50–70% of the maximum profit, or to close the threatened spread when NIFTY breaches the short strike and losses reach 2x the premium collected on that side. Early exit locks in gains and avoids gamma risk near expiry.

How does India VIX affect iron condor premium?

Higher India VIX means higher implied volatility, which inflates option premiums and widens the range at which the iron condor is profitable. However, high VIX also signals greater expected movement, so the wider breakevens are offset by higher risk. Always check VIX level before entering.

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Building an Iron Condoron Nifty