%0 Journal Article %A Robert L. Welch %A Louis Culumovic %T A Profitable Call Spreading Strategy on the CBOE %D 1995 %R 10.3905/jod.1995.407913 %J The Journal of Derivatives %P 24-44 %V 2 %N 3 %U https://jod.pm-research.com/content/iijderiv/2/3/24.full.pdf