ARTICLE SYNOPSIS...DERIVATIVES Put-Call Ratios by Lawrence G. McMillan This measure of market sentiment uses options trading volume to measure crowd psychology. Here's one use of the ratio. The ratio of put option volume to call option volume is the major sentiment ind
ARTICLE SYNOPSIS...Put-call sentiment indicator by Robert R. Prechter and David A. Allman Put/call ratios based on volume and dollar value have been widely used by technicians (see ""Option premiums,"" Stocks & Commodities, December 1989). A third approach has been substa