Mondo Visione Worldwide Financial Markets Intelligence

FTSE Mondo Visione Exchanges Index:

Instinet Group Announces April 2005 Transaction Information

Date 13/05/2005

Instinet Group Incorporated (NASDAQ:INGP) today announced April 2005 transaction data for its two major business segments: Instinet, The Unconflicted Institutional Broker and INET, The electronic marketplace.

In April 2005, Instinet's total average daily U.S. equity share volume was 106 million shares, which represents a 2.5% share of the U.S. equity market. This compares to 111 million shares, or 2.7% of the U.S. equity market, in March 2005, and 122 million shares, or 2.9% of the U.S. equity market, in April 2004.

In April 2005, INET's total matched average daily U.S. equity share volume was 600 million shares, or 14.3% of the U.S. equity market. This volume consisted of 507 million shares of NASDAQ-listed stocks, or a 27.7% share of the NASDAQ-listed market, and 93 million shares of U.S. exchange-listed stocks, or 3.9% of the U.S. exchange-listed market.

This compares to INET's total matched average daily share volume of 574 million in March 2005, or 13.8% of the U.S equity market, consisting of 493 million shares of NASDAQ-listed stocks, or a 26.9% share of the NASDAQ-listed market, and 81 million shares of U.S. exchange-listed stocks, or 3.5% of the U.S. exchange-listed market.

In April 2004, INET's total matched average daily share volume was 555 million shares, or 13.4% of the U.S equity market, consisting of 481 million shares of NASDAQ-listed stocks, or a 24.8% share of the NASDAQ-listed market, and 74 million shares of U.S. exchange-listed stocks, or 3.4% of the U.S. exchange-listed market.

Instinet Group reports additional monthly operating data on its website at www.instinetgroup.com under the heading "Investor Relations - Instinet Trading Activity."

April 2005 March 2005 April 2004
# of Trade Days 21 22 21
Instinet (1)
Total U.S. equity average daily volume (million shares) 106 111 122
Share of total U.S. equity market 2.5% 2.7% 2.9%
INET - Matched Average Daily Volume (2)
Nasdaq-listed equity share volume (million shares) 507 493 481
Share of total Nasdaq market 27.7% 26.9% 24.8%
U.S. exchange-listed share volume (million shares) 93 81 74
Share of total U.S. exchange-listed market 3.9% 3.5% 3.4%
Total U.S. equity share volume (million shares) 600 574 555
Share of total U.S. equity market 14.3% 13.6% 13.4%

Monthly totals may not reflect weekly data, which are preliminary. The number of trading days in each period takes account of U.S. market holidays and any other U.S. market closings. Instinet volume has been restated to include volume of Bridge Trading Company which was acquired on March 31, 2005.

  1. For a description of how we calculate Instinet's transaction volumes, see "Management's Discussion and Analysis of Financial Condition and Results of Operations - Calculation of Volume - Instinet, The Unconflicted Institutional Broker" in our Form 10-Q for the fiscal quarter ended March 31, 2005.
  2. For a description of how we calculate INET's transaction volumes, see "Management's Discussion and Analysis of Financial Condition and Results of Operations - Calculation of Volumes - INET, The electronic marketplace" in our Form 10-Q for the fiscal quarter ended March 31, 2005.
Instinet has experienced significant seasonality in its business, and period-to-period comparisons of operating results are not necessarily meaningful, nor are the results for any period necessarily indicative of results for any future period.