In September, average daily volume was 1,224,951 contracts per day, the thirteenth consecutive month that average daily volume has exceeded a million contracts per day at CBOE, and surpassing September '99's average daily volume of 1,053,237 contracts by 16%. Year-to-date average daily volume now stands at a record 1,287,456 contracts, 39% ahead of the year-ago level of 923,392 contracts per day.
Total option volume at CBOE hit a new year-to-date record for the end of September with 243,329,211 contracts (160,186,040 calls and 83,143,171 puts) which is 40% ahead of the previous September year-to-date record of 173,597,658 contracts, set last September.
Year-to-date volume in stock options reached a record 208,317,313 contracts (144,689,087 calls and 63,628,226 puts), an increase of 59% over the year-to-date total of 131,456,819 contracts traded at the end of September 1999. During the month of September a total of 21,052,627 stock option contracts (13,872,714 calls and 7,179,913 puts) traded, an increase of 24% over September 1999's stock option volume of 16,962,367 contracts. Open interest in stock options trading stood at 46,533,317 contracts (29,477,774 calls and 17,055,543 puts) at the end of September, an increase of 53% over the close of September '99 when open interest stood at 30,504,112 contracts.
Total index option volume for September at CBOE was 3,445,229 contracts (1,610,638 calls and 1,834,591 puts) compared to 5,153,500 contracts in September 1999, a decline of 33%. Trading in S&P 500® Index options (SPX) reached 1,722,364 contracts (833,680 calls and 888,684 puts) and open interest stood at 1,733,801 contracts versus 2,116,418 contracts at the close of September 1999, a decrease of 18%. Trading volume for the month of September in the S&P 100® Index options (OEX) was 918,702 contracts (447,068 calls and 471,634 puts). Open interest in OEX options stood at 199,167 contracts at the end of September. Trading volume in CBOE's newest index product, the MNXsm, continued to post impressive figures with 258,126 contracts (110,787 calls and 147,339 puts) traded in its first full month of trading. Average daily volume stood at 12,906 contracts, while open interest in MNX reached 186,373 at the end of September.
CBOE, the world's largest options marketplace and the creator of listed options, is regulated by the Securities and Exchange Commission (SEC). For additional information about the CBOE and its products, access the CBOE site on the World Wide Web at http://www.cboe.com.