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Long Straddle

Where the investor expects a sharp movement in the share price, but is unsure of the direction it will take, the long straddle may be appropriate. The strategy consists of buying a call option and a put option with the same strike price.

When to use
Market outlook uncertain
Volatility outlook rising

Payoff diagram

long straddle payoff diagram

The long straddle
Construction long call X, long put X
Point of entry market near strike price X
Breakeven at expiry strike price + net premium paid
strike price - net premium paid
Maximum profit at expiry unlimited
Maximum loss at expiry limited to premium paid
Time decay hurts the long straddle
Margins to be paid? no
Synthetic equivalent long stock; long 2 puts

Profits and losses

At expiry, the investor will make profits if the share price has moved strongly enough in either direction. Profits can be taken early in the life of the straddle, but only if the expected movement occurs quickly. As the market moves strongly in one direction, the gain made on one leg exceeds the loss incurred on the other, and the straddle increases in value.

Other considerations

  • Time decay: the bought straddle consists of two long positions. As a result, time decay works strongly against the strategy. The longer the straddle is left in place, the greater the loss due to time decay. The position must therefore be closely monitored and may need to be closed out well before expiry.
  • Expiry month: the investor must balance the cost of the strategy against the time needed to give it the best chance of success. The more distant expiry months will provide the strategy with more time, however longer dated options will be more expensive than those with shorter dates.

Follow-up action

The taker of a straddle expects volatility in the market to increase. Only rarely will this strategy be held to expiry. If the investor's market view proves correct, the straddle should be unwound to crystallise the profits. The position can be liquidated on both sides simultaneously or, if the out-of-the-money option has little value, it could be left open in case the market were to reverse.

If volatility does not increase as expected, the strategy should be taken off well ahead of expiry, before time decay damages the position.

Points to remember

  • Choose options over shares you expect to remain or become volatile.
  • Select an expiry month that gives the strategy time to work.
  • Monitor the position closely and be prepared to unwind it well before expiry.

Example

ABC Limited is a gold mining company which has been involved in an extensive exploration program over the last few months. The results of this program are due to be made public in a month. If significant reserves have been discovered, the stock price will show large gains. You believe, however, that if the exploration program proves unsuccessful, ABC's share price will fall sharply. You also believe the price of gold is likely to be volatile over the next six months. The current share price, at the end of July, is $4.90. You decide to buy a straddle.

Buy 1 Nov $5.00 Call @ $0.38 and 
Buy 1 Nov $5.00 Put @ $0.38

long straddle payoff diagram

Disclaimer
The information contained in this webpage is for educational purposes only and does not constitute financial product advice. ASX does not represent or warrant that the information is complete or accurate. You should consider obtaining independent advice before making any financial decisions. To the extent permitted by law, no responsibility for any loss arising in any way (including by way of negligence) from anyone acting or refraining from acting as a result of this material is accepted by ASX.

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