CBOE Increases To 500 Contracts Order Size Eligible For Electronic Execution In QQQ Options Effective Immediately

The Chicago Board Options Exchange (CBOE), the world's largest options exchange, today announced that, effective immediately, orders in the Nasdaq-100 Index Tracking Stock (QQQ) of up to 500 contracts are eligible for instantaneous execution on CBOE's Retail Automated Execution System (RAES). Previously, QQQ orders of up to 100 contracts were eligible for execution on RAES at CBOE. In addition, CBOE has implemented its new dynamic quotes with size system in QQQ options, that disseminates continuously updated indications of the number of contracts available to be traded at the displayed bid and offer.

"CBOE is the leader in index option trading and QQQ is one of our most actively traded products. Our RAES system offers customers the speed and efficiency of instantaneous, electronic execution and we are pleased to be able to offer this enhancement to our customers," said CBOE's Chairman and Chief Executive Officer William J. Brodsky.

CBOE's RAES system was implemented in 1985 and is available in all classes traded at CBOE.

Wolverine Trading, LP is the Designated Primary Market Maker (DPM) in the QQQ options at CBOE.

Nasdaq-100 Index Tracking Stock (QQQ) represents ownership in the Nasdaq 100 Trust, a long-term unit investment trust established to accumulate and hold a portfolio of the equity securities that comprise the Nasdaq-100 Index. Trading hours for QQQ options at CBOE are 8:30 a.m. to 3:15 p.m. CST (Chicago time).

CBOE, the world's largest options marketplace and 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