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 Strategy View 
The investor thinks that the market will not be volatile within a broad 
 band. 
  
Strategy Implementation 
Put option is sold with a strike price of a 
 and a call option is sold with the higher strike price b. 
  
Upside Potential 
Limited to the two premiums received. 
  
Break-Even Point at Expire 
Lower point c will 
 be the lower strike minus the two premiums received, the upper point d will be the higher 
 strike plus the two premiums received. 
  
Downside Risk 
Unlimited. Should the market fall or rise greatly. (If the investor likes 
 the strategy, but not the downside risk, a long butterfly may be preferable). 
  
Margin 
Always required. 
  
Comment 
If the market does little then the value of the position will benefit as 
 the short positions gain when the option time value falls.  
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