Philadelphia Stock Exchange (PHLX)s currency options slumped in October while equity options volume jumped during the month. Trading volume in PHLXs customised and standardised currency options for October was 36.28% lower than September volume with a total 1,087 contracts traded. Year-on-year volume was even more disappointing with October seeing a decrease of 88.49% compared to the same period in 2006 when 9,445 contracts traded. Equity options, however, jumped 59.25% in October with 42.22m contracts traded compared to 26.51m in the same period a year earlier. Octobers equity options volume was 46.07% higher than the previous months volume while year-to-date volume rose 51.62%. Volume on the exchanges six newly traded World Currency Options (WCOs) rose 79.57% in October when 424,911 contracts traded compared to the 236,633 contracts traded during September. WCOs ended October with an open interest of 530,428contracts. Average daily volume in October for equity options reached 1.84m contracts. PHLXs...