← Search Journal of Finance Vol. 44 No. 1 1989 Option Valuation. Gordon J. Alexander; Stuart M. Turnbull DOI10.2307/2328288 Volume44 Issue1 Pages224 Sources semanticscholar crossref openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓