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An Organization for Traders, by Traders In 1991, with five market makers, we established Cornerstone Trading Group. By 2000, our firm had grown to encompass on-floor and off-floor market makers, independent traders and member traders. Throughout our history, the versatility of our team has been instrumental in helping us adapt and expand with the growth of our industry. By embracing advanced technologies and innovative trading models, we’ve been able to swiftly capitalize on a number of major market transformations, including the shift from open outcry to electronic platforms. We now house a growing quantitative trading desk, an equity derivatives group that specializes in event trading, and an index arbitrage group. More details can be found on our proprietary trading group website. |
| Meet Some of our Key Personnel |
Steve Dillinger – Managing Member
A native of Kings Park, New York, Steve Dillinger is a 1991 graduate of the University of Illinois with a degree in Finance. More recently, Steve received a Masters of Computer Science degree from the University of Chicago. Steve began his trading career at Societe Generale as an assistant trader in the CBOT’s Bond Option pit. After several years with Societe Generale, Steve moved on to Susquehanna Investment Group as an assistant trader at the CME. Upon completion of Susquehanna’s rigorous training program, he was assigned to trade OTC Forex derivatives. Steve joined Cornerstone in 1998 as an equity derivatives trader where he traded AOL, the CBOE’s most active option class during the Nasdaq bubble. Steve became Partner of Cornerstone in 2001 and was named Managing Partner in 2003. In addition to his work at Cornerstone, Steve has been an active CBOE member for many years. He previously served as co-President of the CBOE Market Maker Group and currently serves on the Equity Options Procedure Committee.  |
| Ideal Chicago Location We provide an ideal trading environment in the heart of Chicago’s futures and options hub. Our trading floor, located inside the CBOE building at 440 South LaSalle Street, provides unrivaled access to all major Exchanges – both on-site and remotely – as well as a network of expert professionals and resources. |
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