Short Strangle, First Trade: Both Stops Hit, ₹1,900 Gone

Three days ago I retired the Sensex iron condor because eleven months of backtest said a plain short strangle did better. The strangle's first live trade lost money — from both sides — on a textbook whipsaw.

Result: −₹1,900. This is the failure mode I warned about in the switching post, and it showed up on trade one.

The trade

Deployed 03-08-2026 per the new rules: sell the OTM call and OTM put of the Sensex weekly expiry, one lot each, 25% stop-loss on each leg managed independently.

• Credit collected at entry: 190.00 + 195.00 = 385 points → ₹7,700 (lot size 20)
• CE stop loss: 25% of 190 = 47.50 points → ₹950
• PE stop loss: 25% of 195 = 48.75 points → ₹975
• Both hit: ≈ ₹1,925 gross, realised at −₹1,900 after fills

What happened: the whipsaw

A short strangle makes money when the index sits still between the two strikes and both options decay. It loses when the index moves far enough, in either direction, to push one of the sold options up 25%.

On 03-08 the index rose toward my call. The 79,100 CE crossed its 25% stop and closed out the same day. So far, so normal — one leg stops, the other keeps decaying, and a strategy that stops one side and holds the other can still net positive if the survivor pays enough.

Then, on 04-08, the index reversed and fell toward my put. The 78,300 PE crossed its 25% stop and closed out too.

That is the whipsaw: the market went up enough to stop the call, then turned around and went down enough to stop the put. I was wrong on both ends of the same trade, not because I misjudged direction, but because the index visited both of my stops in sequence. A strangle assumes the market stays in a range. This market poked out of the top, came back through the middle, and poked out of the bottom — the single worst path for the structure, and it happened on the first trade.

Why this is exactly what I signed up for

In the switching post I wrote that the strangle trades a paid, always-on hedge (the condor's wings) for a free, conditional one (the stop). I also wrote that the strategy's whole edge depends on the stops executing, and that the tail I was accepting was real. Here is the first bill for that trade-off, and it is worth being clear that the strategy did not malfunction. It did precisely what it does on a whipsaw day.

The condor, on this same path, might well have lost less — its wings cap each side and a two-sided poke that reverses might not have breached either wing fully. That is the condor's one advantage: it survives the whipsaw better because it is hedged on both ends. The backtest said that over eleven months the strangle's premium savings outweigh days like this. Trade one was a day like this. That does not refute the backtest — a single trade never can — but it is a useful, early, concrete reminder that "better over eleven months" includes losing trades, and some of them arrive first.

If I let one −₹1,900 trade scare me off a strategy I chose on eleven months of data, I have simply replaced one form of undisciplined behaviour (holding condors and hoping) with another (abandoning a tested edge on its first loss). The whole point of backtesting the decision was to stop letting recent P&L drive strategy changes. That discipline is only real if it survives the strategy losing early.

The one thing I do need to check

The stops fired. Both of them. That is genuinely good — it is the first time in this journal that stop-losses executed as designed rather than living in my head. On the strangle, stops firing is not a nice-to-have; it is the entire risk model, and here it worked.

But I need to verify the quality of the fills, not just that they happened. Two questions I am pulling from the broker data:

1. Was each stop hit on a genuine 25% breach, or on a wick that spiked through and came back? A 25% stop on an intraday spike can stop me out at the worst possible tick before the option settles back down. If that happened on either leg, the whipsaw cost me more than a clean strategy loss should.
2. What was the slippage between the 25% trigger and the actual fill? The backtest assumes a clean fill at the trigger. If my real fills are consistently worse, the live edge is thinner than the simulated one, and this is the trade that starts that log.

What I am watching

1. Whipsaw frequency vs the backtest. One two-sided stop-out on trade one. If this happens far more often live than the eleven-month sample implied, either my strikes are too tight or the market regime has shifted, and I revisit the ATM ± 400 distance.
2. Stop-fill quality. Logged from this trade forward. The strangle's edge is entirely inside the difference between the 25% trigger and the actual fill. That number is now the most important one I track.
3. Discipline on the strategy itself. The correct response to a first-trade loss on a backtested strategy is to keep running it and gather a sample — not to flinch. I am writing that here so that if I am tempted to bail after two or three reds, this paragraph is waiting.

The strangle's first trade was a loss, from both sides, on the worst path for the structure. That is not evidence the switch was wrong. It is the first data point, and it happened to be a hard one.

Disclaimer

This is a personal trading journal. It is a record of my own trades, my own money and my own mistakes — nothing more.

Nothing here is a trade recommendation, a tip, a call, or advice of any kind. I am not a registered adviser and I am not qualified to tell anyone what to do with their capital. The strikes, premiums, entries and exits above are what I did, not what you should do. Backtested results are not live results.

If you read this blog and place a trade because of it, that trade is yours. I accept no responsibility for anyone else's losses. Do your own research, size for your own risk, and understand that options can lose you more, faster, than you expect.