For Immediate Release
Citigroup Inc. (NYSE: C)
October 6, 2010

Citi's LavaFlow ECN Eclipses One Percent Market Share Milestone in September 2010

New York, NY – Citi announced today that the LavaFlow Electronic Communication Network (‘FLOW') earned and sustained 1.25% percent share of the total U.S. volume traded in September, according to Bloomberg's consolidated market volume. FLOW's September average daily volume was 90,319,016 shares of single counted and pure matched shares, not including routed volume.

"I'm very pleased that FLOW sustained more than 1% market share in September," said John Procopion, President of LavaFlow. "It's a great milestone for our product. We have a wide range of subscribers, covering retail, high-touch, algorithmic, and high-frequency traders, all of whom appreciate our innovative order types and system performance."

A few key statistics for FLOW from the month of September:

  • Volume by listing exchange: Tape A (NYSE) 51%, Tape B (AMEX, Regionals and ETF) 14%, and Tape C (NASDAQ) 35%.
  • Notional market share was 1.01%
  • Weighted average share price was $22.78

FLOW provides complete electronic communication network functionality and direct market access with GOTO routing powered by Lava Technology (ColorBook). FLOW offers the ability to place orders and to interact with dark liquidity, increasing the opportunity for price and size discovery, along with protected venue quoting.

FLOW's most active symbols and total volume executed are updated in real time on the LavaFlow website at

Citi, the leading global financial services company, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Through Citicorp and Citi Holdings, Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Additional information may be found at or