Straddles Vs Strangles Options Strategies

Straddles and strangles can be used when you expect a major price movement but are unsure whether the price will rise or fall.

• A straddle uses a call and a put with the same strike price and expiry.
• A strangle uses a call and a put with different strike prices but the same expiry.
• A long straddle generally costs more because both options are usually at-the-money.
• A long strangle generally costs less because both options are usually out-of-the-money.
• Long strategies have limited risk because the maximum loss is the total premium paid.
• Short strategies can involve very high or unlimited losses.
• Time decay and changes in implied volatility can affect both strategies.
   

A straddle involves buying or selling a call option and a put option on the same underlying asset. Both options have the same strike price and expiry date.
A long straddle is created by buying both options. It may benefit when the price moves sharply in either direction.
For example, suppose a share is trading at ₹500. You buy a ₹500 call option and a ₹500 put option with the same expiry. You do not need to predict whether the share will rise or fall, but the movement must be large enough to cover the premiums paid.
A short straddle involves selling both options. It may benefit when the price remains close to the strike price. However, losses can be very high if the price moves sharply.
 

A strangle also involves a call option and a put option with the same expiry date. However, the two options have different strike prices.

In a typical long strangle, you buy:

• A call option with a strike price above the current market price
• A put option with a strike price below the current market price

For example, if a share is trading at ₹500, you may buy a ₹540 call and a ₹460 put. The strategy may become profitable if the share makes a sufficiently large move above or below these strike prices.

A short strangle involves selling both options. It may benefit when the price stays between the two strike prices, but it can lead to substantial losses if the price moves sharply.

Both strategies can benefit from volatility when used as long strategies. However, a straddle usually responds more quickly to a price movement because its options are closer to the current market price.

Consider an Indian pharmaceutical company awaiting approval from the Drug Controller General of India for a new drug. The company’s share price may move sharply after the decision is announced.

Straddle example

Suppose the share is trading at ₹500. You buy:

• One ₹500 call option for a premium of ₹30
• One ₹500 put option for a premium of ₹30

• Total premium paid: ₹60

  
  

The break-even points at expiry would be:

• Upper break-even: ₹500 + ₹60 = ₹560

• Lower break-even: ₹500 − ₹60 = ₹440

  
  

The share must rise above ₹560 or fall below ₹440 at expiry for the strategy to make a profit before transaction costs.

For example, if the share rises to ₹600, the call has an intrinsic value of ₹100. After deducting the total premium of ₹60, the profit would be ₹40 before charges.

Strangle example

Using the same ₹500 market price, you buy:

• One ₹540 call option for a premium of ₹20
• One ₹460 put option for a premium of ₹20

• Total premium paid: ₹40

  
  

The break-even points at expiry would be:

• Upper break-even: ₹540 + ₹40 = ₹580

• Lower break-even: ₹460 − ₹40 = ₹420

  
  

The share must rise above ₹580 or fall below ₹420 at expiry for the strategy to make a profit before transaction costs.

The strangle costs ₹40 compared with ₹60 for the straddle. However, it requires a larger price movement because its strike prices are further away from the current market price.

Strangles and straddles are normally direction-neutral. However, a trader may create an unequal position by buying different quantities or premiums on the two sides.

Additional read: F&O trading 

Long straddles and strangles have limited maximum losses, but they still carry several risks.

• Time decay: Options generally lose time value as they approach expiry. If the expected price movement takes too long, both options may lose value.
• Implied volatility: Option premiums are affected by implied volatility. If you enter when implied volatility is high and it later falls, the options may lose value even when the share price moves.
• Insufficient price movement: Both strategies need a large price change. If the share remains within the break-even points, part or all of the premium may be lost.
• Total premium loss: If both options expire without enough intrinsic value, you can lose the entire premium paid.
• Transaction costs: A straddle or strangle involves at least two option positions. Brokerage, taxes and other charges can reduce the final profit.
• Capital requirement: You must pay the premiums for both options upfront. This money remains committed until you close the positions or the options expire.
• Execution risk: The two options may not always be available at the expected prices. Differences in bid and ask prices can increase the cost of entering or exiting the strategy.
   

Straddles and strangles provide different ways to take a position on future price movement.

A long straddle usually has a higher premium but requires a comparatively smaller movement to cross its break-even points. A long strangle usually has a lower premium but requires a larger price movement.

The risk also depends on whether the strategy is long or short:

• In a long straddle or strangle, the maximum loss is limited to the total premium paid.
• In a short straddle or strangle, the maximum profit is limited to the premiums received.
• A short call can create unlimited loss if the underlying price continues to rise.
• A short put can create a substantial loss if the underlying price falls sharply.

Before using either strategy, you should understand option premiums, time decay, implied volatility, break-even points and the risks of selling options.

Straddles and strangles are useful when you expect a sharp price movement but are unsure of its direction. A straddle uses the same strike price and usually costs more, while a strangle uses different strike prices and generally costs less. However, a strangle needs a larger price move to become profitable. Long strategies limit losses to the premium paid, while short strategies carry much higher risk. Traders should consider time decay, implied volatility, costs, and risk capacity before choosing either strategy.