New macro !PROXBIN was added on Kirill's SPSS macros page to "Various proximities" collection. The macro computes a large number of distance or similarity measures for binary (dichotomous) data. All most important coefficients designed since late XIX century are included. An interesting feature is the option to rescale computed measure; for example, to produce the version of a coefficient "adjusted for chance association" or "adjusted for association attainable under the given marginal distributions".

Check it out