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Option selling · intradayIntradayNIFTYlow complexity

Fixed-distance OTM strangle

This intraday strategy sells a NIFTY strangle a fixed number of points away from the at-the-money strike: by default the call 50 points above and the put 50 points below, which on NIFTY is one strike out on each side. It is entered at 09:20 on the nearest weekly expiry, each leg carries its own 25% stop, and anything left is closed at 15:06.
Sells a NIFTY call and put one strike either side of ATM at 09:20, stops each leg at 25% above its price and closes the rest at 15:06.
Market viewNeutral / range-bound
TradesNIFTY weekly options, 2 legs sold
RiskOpen-ended (loss not capped by the structure)
CapitalFull option-selling margin
SuitsIntermediate
Trades a month20.4
Typical hold5.8 hours
Profitable months7 of 12
Longest losing run6 trades
Made money inTrend days that close near the high or lowDays NIFTY was above its 20-day average
Lost money inChoppy days with a wide rangeDays NIFTY was below its 20-day average
Default settings
Symbol
Offset points
Entry time
Leg SL %
Move other to cost
Days filter
Exit time
Lots
Backtest this strategy →Change any setting, pick your own period and run it in the Quantsapp web app. Backtesting is part of the Max plan. Pro+ members can use it now as a free trial.
1

How it trades

What it trades
Universe
NIFTY Intraday · 1 Oct 25 → 30 Sep 26
Enters
09:20 every trading day
Legs
SELL CE · ATM + 50 points (one strike out) · Nearest weekly · 1 lotSELL PE · ATM - 50 points (one strike out) · Nearest weekly · 1 lot
Exits
stop Each leg on its own: premium 25% above its entry pricetime Everything still open at 15:06
Re-entry
None by default - one strangle a day
Entry
at ENTRY_TIME sell the call OFFSET_POINTS above ATM and the put OFFSET_POINTS below ATM, nearest weekly expiry, LOTS each. ATM on the SDK's default basis (traded future of that expiry if listed, else the put-call-parity forward).
Stop
each leg on its own - closed when its premium is LEG_SL_PCT % above its entry price (filled at the trigger level). The other leg rides on. SL to cost (MOVE_OTHER_TO_COST, off by default): once one leg's stop has filled, the surviving leg's stop moves to its own entry price (a stop order at cost: filled at cost, like the main stop's trigger fill).
Exit
everything still open at EXIT_TIME. Re-entry (REENTRY_AT, off by default): if BOTH legs were stopped by REENTRY_AT, sell one fresh strangle at REENTRY_AT around the new ATM, same rules, then no more.
Days
DAYS_FILTER "all", or "expiry_and_day_before" = the weekly expiry day and the trading session immediately before it.
2

Results

PRE-BUILT · DEFAULTS
NIFTY · 2025-10-01 → 2026-09-30 · 245 trades · before costs
Net P&L+₹20,177
Win rate58%
Max drawdown−₹31,473
Avg per trade+₹82
Profit factor1.09
Worst trade−₹6,642
3

Where it made and lost money

Against the textbook view that short strangles want quiet markets, this one earned on trend days. In this test 69 trend days made ₹1,05,308 with an 81% win rate: the leg on the losing side was stopped early for a capped loss, and the other leg decayed for the rest of the day. Choppy days lost ₹87,026 over 66 trades, because a swing one way stopped one leg and the swing back stopped the other. Quiet days, which should suit it, made only ₹3,176 over 108 trades, as the small premium left little to collect. It also did better with NIFTY above its 20-day average (+₹53,852) than below it (-₹32,393).

Kind of session on the entry day
Quiet session (range under 0.75%)+₹3,176108 trades56% won
Trend day (closed near the high or low)+₹1,05,30869 trades81% won
Choppy day (wide range, closed mid-range)−₹87,02666 trades36% won
Trend going in
Uptrend (NIFTY above its 20-day average)+₹53,852119 trades65% won
Downtrend (NIFTY below its 20-day average)−₹32,393124 trades51% won
Day of the week
Monday+₹30,13949 trades63% won
Tuesday+₹19,11947 trades51% won
Wednesday−₹11,03651 trades57% won
Thursday+₹1,40746 trades63% won
Friday−₹12,44949 trades55% won
Session direction on the entry day
NIFTY closed above its open−₹5,615120 trades58% won
NIFTY closed below its open+₹27,074123 trades58% won
How the entry day opened
Gap up of 0.4% or more−₹5,04437 trades59% won
Flat open+₹26,636166 trades59% won
Gap down of 0.4% or more−₹13340 trades50% won
India VIX the evening before
VIX below 11.5 (calm)+₹11,20965 trades55% won
VIX 11.5-14.5 (normal)−₹3,852109 trades59% won
VIX above 14.5 (nervous)+₹14,10369 trades58% won
Expiry day (NIFTY weekly)
Expiry day+₹15,60551 trades49% won
Other days+₹5,853192 trades60% won
The same trades, split by the market conditions around each entry, before costs.
4

About this strategy

  1. At 09:20, find the ATM strike of the nearest NIFTY weekly expiry (Tuesday).
  2. Sell one lot of the call 50 points above ATM and one lot of the put 50 points below ATM.
  3. Each leg has its own stop at 25% above its entry premium. If one leg is stopped, the other keeps running.
  4. Optional variant: once one leg is stopped, move the other leg's stop to its entry price so it cannot turn into a loss.
  5. Optional day filter: trade only on expiry day and the session before it, instead of every day.
  6. At 15:06, buy back whatever is still open.

Why traders use it

Moving the strikes slightly away from ATM gives the index a little room on either side before either leg goes in the money, while still collecting a meaningful premium for an intraday trade. Traders who find the ATM straddle too sensitive to small moves often use this as a gentler version. A fixed points distance is easy to compute at 09:20 without any option analytics, which is why rule sets like ATM plus and minus 50 or 100 are common.

Works best whenDays with one clear direction that close near their high or low: the threatened leg is stopped early and the other leg decays almost to zero. In this test trend days produced far more than quiet ones.
Struggles whenChoppy days that swing far in both directions and close mid-range, stopping both legs one after the other, and stretches when NIFTY trades below its 20-day average.

The year in plain words

On NIFTY from 1 Oct 2025 to 30 Sep 2026 with default settings, the strangle traded 245 days and won 58% of them, making ₹20,177 before costs with a profit factor of 1.09. The average loss (₹2,257) was larger than the average win (₹1,808), so the edge came from winning more often. 175 trades reached the time exit and 70 ended on a leg stop. April added ₹24,936, while January and May each lost over ₹12,000. After ₹20 per order and bid-ask slippage the result is a ₹24,538 loss.

What the settings do

Offset pointsHow far from ATM each strike is placed. Larger offsets collect less premium but need a bigger move to hurt; zero turns it into an ATM straddle.Entry timeWhen the strangle is sold. An earlier entry collects more premium but sits through more of the opening volatility.Leg SL %How far a leg's premium may rise above its entry before that leg is bought back. Tighter stops trigger more often on noise; wider ones lose more per stop.Move other to costWhen on, the surviving leg's stop moves to its entry price after the first leg is stopped, so the second leg can at worst break even. Off by default.Days filterAll trading days, or only the weekly expiry day and the session before it, when time decay is fastest.Exit timeWhen any open legs are closed for the day.

Risks

  • After one leg is stopped, the other is an unhedged short option until 15:06.
  • The backtest fills stops at the trigger price; on a fast move a real stop can fill noticeably worse.
  • A fixed 50-point offset ignores the volatility of the day, so the risk taken changes from day to day.
  • The pre-cost edge is thin enough that brokerage, spread and STT turn it into a loss.

Who it suits

Intraday option sellers who can manage or automate two legs with separate stops every day, have the margin for a short NIFTY strangle, and accept that the pre-cost edge here is small.

5

Questions traders ask

What is the difference between this strangle and the 9:20 straddle?

The straddle sells both options at the ATM strike. This strangle sells them one strike away on each side, so it collects less premium but needs a slightly larger move before either leg starts losing. Both use a per-leg stop and close the same day.

Is the fixed-distance OTM strangle profitable?

From 1 Oct 2025 to 30 Sep 2026 on NIFTY it made ₹20,177 before costs, with a ₹31,473 maximum drawdown, but lost ₹24,538 after ₹20 per order and bid-ask slippage. Statutory charges would reduce it further. Past results do not guarantee anything about the future.

Why 50 points from ATM on NIFTY?

NIFTY strikes are 50 points apart, so 50 points is simply one strike out on each side. Some traders use 100 or more for extra room. The drawback of any fixed number is that it means more on a calm day than on a volatile one.

What does moving the stop to cost do?

After one leg is stopped, the other leg's stop is moved to the price it was sold at. If the market then swings back, that leg exits at break-even instead of running to a full loss. It is available here as a setting but is switched off in the default run.

6

Before you rely on it

ADAPTED FOR TODAY'S NSE RULESSources used NIFTY / BANKNIFTY weeklies with a hard-coded Thursday expiry; here "nearest weekly" (NIFTY, Tuesday) and the day filter reads the expiry calendar, not a weekday. Sized in lots. 15:06 is the primary source's exit; the 15:40 close does not change it.
WATCH OUTA fixed points offset ignores the index level and IV - on a high-IV day 50 points is nearly ATM. Stops fill at the trigger level (no slippage) - optimistic on gap moves.
WHERE THE RULES WERE UNCLEAR · OUR CHOICESThe fixed-points offset is applied to the ATM strike (ATM +/- 50 on NIFTY = one strike out), as the sources do. The SL-to-cost and re-entry variants are wired in but default off, matching the spec.
Also known as0920 strangleATM+-100 strangle930 strangle
Backtests run on historical NSE data with fills at the last traded price. "Before costs" excludes brokerage, taxes and slippage. Quantsapp is not recommending any strategy; it is just a backtesting utility. Past results are not a promise of future returns.

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