ISE’s average daily volume during January was 537,932 contracts, an increase of 41% from the last business quarter, which ended in October 2001. ISE also established new daily volume records on four occasions during the month. The highest volume day was January 30, when 821,115 contracts were traded.
ISE is now the third largest options exchange in the US. ISE’s market share in its listed products, comprising 469 issues, averaged 19.5% in January, and its market share in all listed options averaged 15.7%. This compares to 8.2% and 3.2% respectively for January 2001.