Several CBOE Index Options Open

The Chicago Board Options Exchange (CBOE) announced that as of 9:50 a.m. CST (Chicago time), options on the S&P 100 (OEX), S&P 500 (SPX), Dow Jones Industrial Average Index (DJX) and DIAMONDS (DIA) are open for trading.

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, visit the CBOE website at: http://www.cboe.com/.