Long Strangle Strategy
A volatility strategy that profits from significant price movement in either direction. Buy an OTM call and an OTM put at different strikes. Cheaper than a straddle but requires a larger move to profit.
Overview
The long strangle is a volatility play similar to a straddle but using out-of-the-money (OTM) options. You buy an OTM call (strike K₁ above current price) and an OTM put (strike K₂ below current price).
Because both options are OTM, the total premium is significantly cheaper than a straddle. However, the trade-off is that the stock must move further to reach profitability—beyond K₁ on the upside or below K₂ on the downside.
This strategy is ideal when you expect a large move but want to reduce your capital at risk. The wider the strikes, the cheaper the position but the larger the required move.
Key Insight
Position Structure
Formulas
Key Insight
Flat max loss zone between strikes. Cheaper than straddle but requires larger move. Stock must break through K1 or K2 to start gaining.
Research
Research on strangles, volatility trading, and event-driven options strategies.
The Mathematics
In Plain English
The math behind this strategy is straightforward. Here's what you're actually doing:
- 1At entry: Pay a net debit D = call premium + put premium. Both options are OTM so the total cost is less than a straddle.
- 2At expiration: Stock must move beyond K₁ (upside) or below K₂ (downside) for either option to have value.
- 3Breakeven points: Upper breakeven is K₁ + D. Lower breakeven is K₂ - D. The breakeven range is wider than a straddle.
- 4Maximum loss: If stock closes between K₂ and K₁, both options expire worthless. You lose the entire debit D.
That's it. The formulas below just express this process precisely.
1Payoff at Expiration
Call payoff plus put payoff minus debit paid. Zero if K₂ ≤ S_T ≤ K₁.
2Upper Breakeven
Stock price above which the position is profitable. Call intrinsic value exceeds total debit.
3Lower Breakeven
Stock price below which the position is profitable. Put intrinsic value exceeds total debit.
4Maximum Profit
No cap on profit. Gains grow linearly as stock moves beyond breakevens in either direction.
5Maximum Loss
Occurs when K₂ ≤ S_T ≤ K₁. Both options expire worthless.
Strike Selection Trade-off
Wider strikes (further OTM) = cheaper premium but larger required move. Narrower strikes = more expensive but smaller required move. At the extreme, strikes equal to current price becomes a straddle.
Implied Volatility Impact
Like straddles, long strangles are long vega. Rising IV increases position value. However, OTM options have lower vega than ATM, so strangles are less sensitive to IV changes than straddles.
Strategy Rules
Position Setup
- 1Buy 1 OTM call at strike K₁ (above current price)
- 2Buy 1 OTM put at strike K₂ (below current price)
- 3Same expiration for both options
- 4Typical setup: K₂ is 1-2 strikes below ATM, K₁ is 1-2 strikes above ATM
- 5Calculate total debit D = call premium + put premium
Entry Conditions
- 1Expect significant price movement (direction unknown)
- 2Implied volatility not already elevated
- 3Upcoming catalyst (earnings, FDA, lawsuit, etc.)
- 4Want cheaper exposure than straddle
- 5Sufficient time until expiration for move to occur
Risk Management
- 1Size position based on max loss (full debit)
- 2Set time-based stop (close if no move by X days)
- 3Understand the wider breakeven range vs straddle
- 4Watch for IV crush after events
- 5Don't hold to expiration—time value erodes
Exit Strategies
- 1Close when stock breaks through a breakeven level
- 2Take profit at 50-100% of debit paid
- 3Close before event if IV expansion is sufficient
- 4Close losing side early if move is clearly directional
- 5Exit before expiration to capture remaining time value
Implementation Guide
Long strangles offer a cost-effective alternative to straddles when you expect large moves but want to reduce capital at risk. The key trade-off is the wider breakeven range.
Identify the Catalyst
Like straddles, strangles work best with a known upcoming event. The cost savings versus a straddle are most valuable when you're unsure if the move will be large enough.
- Earnings, FDA decisions, and legal rulings are common catalysts
- Check historical move sizes for the stock
- Ensure expected move exceeds breakeven range
Analyze Implied Volatility
IV levels affect pricing similarly to straddles. Enter when IV is low relative to expected event volatility. OTM options may have different IV (skew) than ATM options.
- Compare current IV to historical levels
- Check IV skew across strikes
- OTM puts often have higher IV than OTM calls
If IV is already elevated, the strangle may still be overpriced even though it's cheaper than a straddle.
Select Strikes and Expiration
Choose strikes 1-2 points away from current price. The wider the strikes, the cheaper but also the larger the required move. Include the catalyst date with buffer time.
- Symmetric strikes (equal distance from current price) for neutral view
- Skew strikes if you have directional bias
- Calculate breakevens before entering
Execute and Manage
Buy the call and put together. Monitor stock price relative to breakevens. Be prepared to close around the catalyst event.
- Use strangle order type if available
- Track both breakeven points
- Have profit target and exit plan
Order Types
Most brokers offer a "strangle" order type. If not, enter both legs simultaneously to avoid execution risk. Strangles have two legs at different strikes, so ensure you're buying the correct options.
Helpful Tools & Resources
Strategy Variations
Explore different ways to implement this strategy, each with its own trade-offs and benefits.
Short Strangle
Sell OTM call and put. Profits from low volatility and time decay. Undefined risk on both sides.
Long Straddle
Buy ATM call and put at same strike. More expensive but smaller required move to profit.
Iron Condor
Short strangle with protective wings. Defined risk version of short strangle.
Guts Strangle
Buy ITM call and ITM put. More expensive with guaranteed intrinsic value at expiration.
Risks & Limitations
Both options lose value daily. OTM options are all extrinsic value, so 100% of the premium is at risk from theta decay.
The stock must move beyond BOTH breakevens (wider than straddle). Moderate moves result in total loss of premium.
After events, IV typically collapses. Even if the stock moves, IV drop can offset gains, especially for OTM options.
OTM options have lower vega than ATM. Less benefit from IV increases compared to straddles.
OTM options often have wider spreads than ATM. This increases entry/exit costs.
References
- Coval, J. D., & Shumway, T. (2001). Expected Option Returns. Journal of Finance, 56(3) [Link]
- Goyal, A., & Saretto, A. (2009). Cross-Section of Option Returns and Volatility. Journal of Financial Economics, 94(2) [Link]
- Ni, S. X., Pan, J., & Poteshman, A. M. (2008). Volatility Information Trading in the Option Market. Journal of Finance, 63(3) [Link]
- Gao, C., Xing, Y., & Zhang, X. (2018). Anticipating Uncertainty: Straddles Around Earnings Announcements. Journal of Financial and Quantitative Analysis, 53(6) [Link]
Ready to Explore More Strategies?
Access our complete library of academic-backed trading strategies across stocks, options, ETFs, and more.
Browse All Options Strategies