Equity finance exchange OneChicago recorded volume of 1,357,848 in September, a 7 percent increase year-over-year.
Year-to-date volume through 30 September was 7,952,933, up 14 percent compared to the first nine months of 2013.
Open interest increased 3 percent year-over-year to 678,148 contracts on the equity finance exchange at close-of-market on 30 September.
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