What a strangle is (short answer)
– A strangle is an options strategy that buys (long strangle) or sells (short strangle) an out‑of‑the‑money (OTM) call and an OTM put with the same expiration on the same underlying. It profits if the underlying makes a large move in either direction. The long strangle profits from big moves; the short strangle profits when price stays in a narrow range.
When to consider a strangle
– Binary/volatility events that may cause big moves: earnings, FDA decisions, merger announcements, Fed policy meetings, major product launches.
– Use a long strangle when you expect a big move but are agnostic on direction.
– Use a short strangle when you expect low volatility and want to collect premium (note: short strangles carry much higher risk).
Types of strangles
– Long strangle: Buy 1 OTM call + Buy 1 OTM put (same expiration). Limited loss (premiums paid), potentially large/upside unlimited profit.
– Short strangle: Sell 1 OTM call + Sell 1 OTM put (same expiration). Limited profit (premiums received), large (potentially unlimited) loss.
Key options concepts that matter for strangles
– Time decay (Theta): hurts long strangles as both options lose value as expiration approaches unless the underlying moves enough.
– Implied volatility (IV / Vega): IV rise increases option value; IV crush after an event can make a long strangle lose value even if price moves modestly.
– Delta/Gamma: Strike selection determines how sensitive each leg is to price moves.
Practical steps to perform a long strangle (step‑by‑step)
1. Identify the trade thesis:
• Choose an underlying and a volatility catalyst (e.g., upcoming earnings, FDA decision).
2. Select an appropriate expiration:
• Choose an expiration that covers the anticipated event and gives time for the move. Shorter expirations cost less but have faster time decay.
3. Choose strikes:
• Common approach: pick OTM strikes for both call (above current price) and put (below current price). Strike selection balances cost vs. required move: closer strikes cost more but need a smaller move to profit; wider strikes cost less but require a larger move.
• Traders often pick strikes with deltas roughly ±0.10–0.30 depending on cost and probability.
4. Calculate total premium and breakevens:
• Total premium paid = call premium + put premium.
• Upper breakeven = Call strike + Total premium.
• Lower breakeven = Put strike − Total premium.
5. Position sizing and risk control:
• Maximum loss = total premium paid (per share, multiply by 100 per contract).
• Limit position size so a full loss is within risk tolerance.
6. Place the trade:
• Use a “combo” or multi‑leg order to buy both legs simultaneously to avoid one leg filling and leaving you exposed.
• Use limit orders to control execution price.
7. Plan exits and adjustments in advance:
• Example exit rules: close both legs when profit target reached (e.g., 50–100%+), or close if underlying reaches breakeven. Consider closing one leg to lock profit if a large move occurs.
• Adjustments: roll strikes/expiration, convert to directional position, or close the cheaper leg if you want to ride the winning leg.
8. Monitor IV and price action:
• If IV collapses post‑event (IV crush), long strangles can lose even when the underlying moves; you may want to set alerts and be ready to act quickly.
Worked example (numbers)
– Underlying stock at $100.
– Buy 1 OTM call, strike 110, premium $2.00 (per share).
– Buy 1 OTM put, strike 90, premium $3.00 (per share).
– Total premium = $2 + $3 = $5.00 per share = $500 per 1 contract of each leg.
Breakeven calculations:
– Upper breakeven = Call strike + total premium = 110 + 5 = $115.
– Lower breakeven = Put strike − total premium = 90 − 5 = $85.
Profit/loss scenarios:
– Max loss: $500 (the premiums paid).
– If stock rises to $200: call intrinsic = 200 − 110 = $90; total profit per share = $90 − $5 = $85 → $8,500 per contract.
– If stock falls to $0: put intrinsic = 90 − 0 = $90; total profit per share = $90 − $5 = $85 → $8,500 per contract.
– If stock stays at $100 at expiration: both options expire worthless, loss = $500.
How to calculate the breakeven price of a strangle
– Long strangle:
• Upper breakeven = Call strike + (call premium + put premium)
• Lower breakeven = Put strike − (call premium + put premium)
– Short strangle:
• Upper breakeven = Call strike + net premium received
• Lower breakeven = Put strike − net premium received
How you can lose money on a long strangle
– No big move: Both options decay (Theta) and expire worthless — total loss = premiums paid.
– IV crush: If IV falls sharply (typical after an event), the options’ prices fall. A move in the underlying that’s too small relative to premium + IV change can still leave you with a loss.
– Poor timing: Buying too close to expiration leaves little time for the move to occur before time decay erodes value.
Which is riskier: a straddle or a strangle?
– Long positions: A long straddle (ATM call + ATM put) usually costs more premium than a long strangle and therefore has a higher dollar risk (larger premium paid). It needs a smaller price move to become profitable because the strikes are ATM, so the required move is smaller. Which is “riskier” depends on your metric—dollar risk is higher for straddle; required move threshold is lower.
– Short positions: Short straddles are typically riskier than short strangles because ATM options have a higher chance of being in the money (i.e., one leg getting exercised), meaning greater probability of large losses. Both have theoretically unlimited upside loss on the call side.
Advantages (pros) of a long strangle
– Cheaper than a comparable straddle because both legs are OTM.
– Profits from large moves in either direction — directionally neutral.
– Maximum loss is limited to premiums paid.
Disadvantages (cons) and warnings
– Needs a large move — wider strikes increase the size of move required.
– Time decay can erode value quickly.
– Implied volatility can collapse after events (IV crush), hurting long strangles.
– Short strangles carry substantial risk: limited profit, potentially large/unlimited losses.
Risk management and adjustments (practical tips)
– Buy when IV is relatively low, or ensure the expected move implied by IV justifies the premium.
– Consider buying with a bit more time (longer expiration) if you expect the move may be delayed.
– Use defined exit rules: profit targets, stop losses, and rules for rolling or closing one side.
– Consider alternatives: iron condors, straddles (if willing to pay more), calendar spreads, or buying farther OTM options with lower cost but lower probability.
– Use combo orders to reduce leg‑fill risk and consider credit spreads if selling premium to limit potential losses.
Order execution and brokerage considerations
– Use multi‑leg orders or “buy strangle” combos so both legs fill at the intended net price.
– Beware of commissions, assignment risk (for short positions), and margin requirements (short strangles require significant margin).
– Check contract specifications (expiration, multiplier — usually 100 shares per contract).
Real‑world considerations
– One common error: buying a strangle into earnings because IV is already high and implied move priced into the options; unless you expect a move larger than implied, returns can be poor due to IV collapse after the announcement.
– Events can also produce one‑sided moves; if strike selection is asymmetric, you may capture profit on one side quicker.
Bottom line
– Long strangles are useful when you expect a large move but don’t know the direction. They are cheaper than straddles but require a larger move or favorable change in implied volatility to be profitable. Always manage position size, be aware of time decay and IV dynamics, and use combo orders for execution efficiency. Short strangles can generate income but expose you to potentially large losses and require disciplined risk management.
Source
– Investopedia, “Strangle,” Theresa Chiechi.
Editor’s note: The following topics are reserved for upcoming updates and will be expanded with detailed examples and datasets.