ButterflySpread - Sigma Knowledge base Browser

appearance as argument number 1

(documentation ButterflySpread EnglishLanguage "A complex option strategy that involves selling two calls and buying two calls on the same or different markets, with several maturity dates. One of the options has a higher exercise price and the other has a lower exercise price than the other two options. The payoff diagram resembles the shape of a butterfly.")	FinancialOntology.kif 3113-3117
(subclass ButterflySpread SpreadOption)	FinancialOntology.kif 3112-3112	Butterfly spread is a subclass of spread option

appearance as argument number 2

(termFormat ChineseLanguage ButterflySpread "蝴蝶传播")	domainEnglishFormat.kif 12533-12533
(termFormat ChineseTraditionalLanguage ButterflySpread "蝴蝶傳播")	domainEnglishFormat.kif 12532-12532
(termFormat EnglishLanguage ButterflySpread "butterfly spread")	domainEnglishFormat.kif 12531-12531

antecedent

(=>
    (instance ?Spread ButterflySpread)
    (exists (?Call1 ?Call2 ?Call3 ?Call4 ?Price1 ?Price2 ?Price3 ?Price4 ?U)
        (and
            (instance ?Call1 CallOption)
            (instance ?Call2 CallOption)
            (instance ?Call3 CallOption)
            (instance ?Call4 CallOption)
            (subProcess ?Call1 ?Spread)
            (subProcess ?Call2 ?Spread)
            (subProcess ?Call3 ?Spread)
            (subProcess ?Call4 ?Spread)
            (instance ?U UnitOfCurrency)
            (strikePrice ?Call1
                (MeasureFn ?Price1 ?U))
            (strikePrice ?Call2
                (MeasureFn ?Price2 ?U))
            (strikePrice ?Call3
                (MeasureFn ?Price3 ?U))
            (strikePrice ?Call4
                (MeasureFn ?Price4 ?U))
            (lessThan ?Price1 ?Price2)
            (lessThan ?Price1 ?Price3)
            (greaterThan ?Price4 ?Price2)
            (greaterThan ?Price4 ?Price2))))

FinancialOntology.kif 3119-3143

If a process is an instance of butterfly spread,
then there exist a financial instrument, another financial instrument,, , a third financial instrument,, , a fourth financial instrument,, , a real number,, , another real number,, , a third real number,, , a fourth real number and an unit of measure such that the financial instrument is an instance of call option and the other financial instrument is an instance of call option and the third financial instrument is an instance of call option and the fourth financial instrument is an instance of call option and the financial instrument is a subprocess of the process and the other financial instrument is a subprocess of the process and the third financial instrument is a subprocess of the process and the fourth financial instrument is a subprocess of the process and the unit of measure is an instance of unit of currency and the real number the unit of measure(s) is a strike price of the financial instrument and the other real number the unit of measure(s) is a strike price of the other financial instrument and the third real number the unit of measure(s) is a strike price of the third financial instrument and the fourth real number the unit of measure(s) is a strike price of the fourth financial instrument and the real number is less than the other real number and the real number is less than the third real number and the fourth real number is greater than the other real number and the fourth real number is greater than the other real number

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