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Determine implied volatility using Bjerksund-Stensland 2002 option pricing model

`Volatility = impvbybjs(RateSpec,StockSpec,Settle,Maturity,OptSpec,Strike,OptPrice)`

`Volatility = impvbybjs(___,Name,Value)`

computes
implied volatility using the Bjerksund-Stensland 2002 pricing model.`Volatility`

= impvbybjs(`RateSpec`

,`StockSpec`

,`Settle`

,`Maturity`

,`OptSpec`

,`Strike`

,`OptPrice`

)

`impvbybjs`

computes implied volatility of
American options with continuous dividend yield using the Bjerksund-Stensland
option pricing model.

adds
optional name-value pair arguments.`Volatility`

= impvbybjs(___,`Name,Value`

)

[1] Bjerksund, P. and G. Stensland. “Closed-Form Approximation
of American Options.” *Scandinavian Journal of Management.* Vol.
9, 1993, Suppl., pp. S88–S99.

[2] Bjerksund, P. and G. Stensland. *“Closed Form Valuation of American
Options.”* Discussion paper 2002 (https://www.scribd.com/doc/215619796/Closed-form-Valuation-of-American-Options-by-Bjerksund-and-Stensland#scribd)