Long Strangle — A Wider, Cheaper Straddle
Buy OTM call + buy OTM put at different strikes. Lower cost than straddle but needs a bigger move.
Long strangle = buy OTM call + buy OTM put at different strikes. A cheaper, wider variant of the straddle.
You sacrifice some Vega exposure and tighter breakevens for lower premium outlay. Best when you expect a meaningful move but want to keep the trade's cost down.
Worked NIFTY example
NIFTY at 22,000. You expect a 1.5-2% move within a week but want a cheaper trade than a straddle.
Buy 22,200 CE at ₹50 + Buy 21,800 PE at ₹45. Total = ₹95 × 25 = ₹2,375 per lot.
Breakevens: 22,295 (upper) and 21,705 (lower). NIFTY needs ~1.5% move in either direction.
Compare to ATM straddle (₹230 × 25 = ₹5,750): strangle costs ~40% of the straddle but needs a 50% bigger move to break even.
Strangle vs straddle — which to pick
Straddle: tighter breakevens, larger Vega, more expensive. Use when expecting modest-to-large moves and IV expansion.
Strangle: wider breakevens, smaller Vega, cheaper. Use when expecting large moves only, or capital-constrained.
Quick rule: if your move thesis is <1% — straddle. If 1-3% — either works. If >3% — strangle (cheaper for the same payoff at the move size).
Strike selection
Most common: 0.5-1% OTM on both sides. Symmetric around spot.
Asymmetric strangles (call further OTM than put or vice versa) bias the trade directionally — usually a sign of mixed conviction.
Avoid going too far OTM. Strikes >2% OTM have Delta near zero — they need huge moves to pay off and bleed Theta meanwhile.
Common misreads
- Choosing far-OTM strikes to minimise cost. The trade becomes a deep OTM lottery — most likely outcome is total loss.
- Expecting strangles to expand from IV alone. Their Vega is smaller than straddles', so IV expansion contributes less.
- Using strangles to bet on small moves. They're calibrated for larger moves — small moves leave both legs OTM and worthless.
Key takeaways
- Long OTM call + long OTM put, different strikes, same expiry.
- Cheaper than straddle, needs a bigger move to profit.
- Best for >1.5-2% expected moves in low-to-mid IV.
- Pick strikes 0.5-1% OTM — going further sacrifices too much Delta.
Strangle setup questions
How OTM should each leg be?
Typically 0.5-1% OTM. With NIFTY at 22,000, strikes 21,800 PE and 22,200 CE are common choices. Going further OTM cuts cost but cuts Delta proportionally — the trade needs a bigger move.
Strangle vs iron condor?
Strangle = LONG OTM call + LONG OTM put (you pay premium, profit on big moves). Iron condor = SHORT OTM call + SHORT OTM put + wing protection (you collect premium, profit on no move). Opposite trades.
Can I leg into a strangle?
Yes — buy the put first if you're slightly bearish, then add the call after a small bounce. Or vice versa. The timing edge is small for retail; clean simultaneous entry usually beats trying to leg in.
Are stock-options strangles viable?
Around earnings, yes — but stock option spreads are wider, so the strangle's total cost may be much higher than a comparable NIFTY trade. For most retail volatility bets, index options are cleaner.