Strategies

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Buying SPX Straddles

 

Participate in an Up or Down Market Move

Please note: Commission, dividends, margins, taxes and other transaction charges have not been included in the following examples. However, these costs can have a significant effect on expected returns and should be considered. Because of the importance of tax considerations to all options transactions, the investor considering options should consult with his/her tax advisor as to how taxes affect the outcome of contemplated options transactions.



Example

Say the Federal Reserve has indicated that it is strongly considering raising the Fed Funds rate to control inflation. Its decision, due in three weeks, will be influenced mainly by the consumer and producer price data due out in the interim. A jump in interest rates may send stocks sharply lower, while an announcement of steady inflation and interest rates may boost the SPX index to an all-time high. An investor expects that either of these outcomes could move the market up or down by 5% (70 points) or more over a timeframe of approximately one month.

SPX index is currently at 1400. The investor purchases a one-month SPX 1400 call for $22.20, and a one-month SPX 1400 put for $19.30. The cost for the straddle is: $22.20 (call) + $19.30 (put) = $41.50 debit. The total premium paid is therefore: $41.50 x $100 multiplier = $4,150 debit.

By purchasing the straddle, the investor is saying that by expiration he anticipates SPX to have either risen above the upside break-even point or below the downside break-even point:

Upside Break-Even Point: $1400 strike price + $41.50 straddle debit = 1441.50
Downside Break-Even Point: $1400 strike price – $41.50 straddle debit = 1358.50



The investor’s profit potential is unlimited as SPX’s level continues to rise above 1441.50, or substantial as SPX declines below 1358.50 by expiration one month away. The risk for the straddle purchase is limited entirely to the total $4,150 debit paid for the position, and would be seen if SPX closes unchanged at expiration at a level of 1400.

Before expiration, however, if the straddle purchase becomes profitable because of either a move in the SPX index and/or an increase in option implied volatility, the investor is free to sell the position (the call and the put) in the marketplace to realize this gain. On the other hand, if the investor’s outlook proves incorrect and the level of SPX either does not change much over the next month, and/or the implied volatility does not increase, the straddle might be sold to realize a loss (due primarily to time decay) less than the maximum.

Buy 1 SPX 1400 Straddle at $41.50 Debit

Consider three possible scenarios at expiration:

  • SPX closes above or below either break-even point at expiration
  • SPX closes between the break-even points at expiration
  • Implied volatility changes and straddle sold prior to expiration
 
 

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