ARTICLE SYNOPSIS ...Understanding Market Profile Part 6 by Thomas P. Drinka and Stephen M. Ptasienski Range extensions are the intraday price moves that hold good profit potential. Many current trading systems use them although they are typically called opening range breakouts (See ""Opening Range Breakout, Part 5"" in this issue). Our research into the range extensions of the Chicago Board of Trade's Market Profile report suggests there are analyses that Market Profile traders may wish to conduct on a day-to-day basis. We tabulated the frequency and magnitude of range extensions of 12 markets from February 1 t...