The Chicago Board Options Exchange (CBOE) says May trading volume at CBOE was 34,689,801 contracts traded, an increase of 24% over the year-ago level of 27,906,821 contracts.
Trading volume in index options at CBOE increased 14% over 2004, driven by two new records set in options on the Nasdaq-100 Index (NDX) and the Standard & Poor’s 500 Index (SPX). In Nasdaq-100 Index options, CBOE set a new record for monthly volume with 559,122 contracts traded in May, eclipsing the previous record of 521,566 contracts set the prior month. In Standard & Poor’s 500 Index options (SPX), volume at CBOE for the week of May 16-20 was 2,081,537 contracts, the busiest week ever for SPX trading.