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CBOE Hybrid®, The Hybrid Trading System
Hybrid 2.0 (H2O)

The second phase of CBOE Hybrid, Hybrid 2.0 (or H2O), launched on July 21, 2004, introduced electronic Designated Primary Market Makers (e-DPMs), expanding the benefits of the Hybrid Trading System by adding additional liquidity and depth to CBOE's markets. Additionally, on April 26, 2005, CBOE introduced Remote Market Makers (RMMs), a new class of CBOE membership designed to allow individual market makers and member organizations to engage in market making at CBOE from any location.

The Remote Market Maker and e-DPM designations enable a wider range of market participants to access the trading system.RMM and e-DPM quotes and liquidity are consolidated with those of the in-crowd market participants' resulting in a more robust marketplace with an expanded universe of market participants

The firms named as e-DPMs are:

- Citadel Derivatives Group LLC
- Citigroup Global Markets
- SLK-Hull Derivatives LLC
- Susquehanna Investment Group
- Timber Hill LLC
- Wolverine Trading LLC

For a list of current RMMs please contact Angela Redell, 312-786-7559 or For e-DPM Appoitments click here

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