UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 8-K/A
                                (AMENDMENT NO. 1)

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

                                  MARCH 7, 2006
                DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED)

                                NYSE Group, Inc.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

          Delaware                   001-32829                20-2786071
 (State or other jurisdiction   (Commission File Number)    (IRS Employer
       of incorporation)                                  Identification No.)


                   11 WALL STREET
                 NEW YORK, NEW YORK                        10005
           (Address of principal executive               (Zip Code)
                      offices)

       Registrant's telephone number, including area code: (212) 656-3000

                                 NOT APPLICABLE
          (Former Name or Former Address, if Changed Since Last Report)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[  ]   Written communications pursuant to Rule 425 under the Securities Act (17
       CFR 230.425)

[  ]   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
       CFR 240.14a-12)

[  ]   Pre-commencement communications pursuant to Rule 14d-2(b) under the
       Exchange Act (17 CFR 240.14d-2(b))

[  ]   Pre-commencement communications pursuant to Rule 13e-4(c) under the
       Exchange Act (17 CFR 240.13e-4(c))





ITEM 2.01  COMPLETION OF ACQUISITION OR DISPOSITION OF ASSETS

On March 7, 2006, NYSE Group, Inc. ("NYSE Group") filed an 8-K announcing the
combination of the businesses of the New York Stock Exchange, Inc. and
Archipelago Holdings, Inc. NYSE Group incorporates that 8-K into this document
by reference and herby amends the 8-K to include the financial statements
required below.


ITEM 9.01  FINANCIAL STATEMENTS AND EXHIBITS

(a)      FINANCIAL STATEMENT OF BUSINESSES ACQUIRED

The financial statements required to be filed under this item were previously
reported in NYSE Group's Registration Statement on Form S-1, file No.
333-132390, which was declared effective by the Securities and Exchange
Commission on May 4, 2006. These financial statements are incorporated into this
document by reference.

(b)      PRO FORMA FINANCIAL INFORMATION

The financial statements required to be filed under this item were previously
reported in NYSE Group's Registration Statement on Form S-1, file No.
333-132390, which was declared effective by the Securities and Exchange
Commission on May 4, 2006. These financial statements are incorporated into this
document by reference.

(d)      EXHIBITS

Exhibit Number            Description

2.1                       Agreement and Plan of Merger, dated as of April 20,
                          2005, as amended and restated as of July 20, 2005, by
                          and among New York Stock Exchange, Inc., Archipelago
                          Holdings, Inc., NYSE Merger Sub LLC, NYSE Merger
                          Corporation Sub, Inc. and Archipelago Merger Sub, Inc.
                          (Incorporated by reference to Annex A of NYSE Group,
                          Inc.'s Registration Statement on Form S-4
                          (Registration No. 333-126780), which was declared
                          effective by the Securities and Exchange Commission on
                          November 3, 2005)*

2.2                       Amendment No. 1, dated as of October 20, 2005, to the
                          Amended and Restated Agreement and Plan of Merger, by
                          and among New York Stock Exchange, Inc., Archipelago
                          Holdings, Inc., NYSE Merger Sub LLC, NYSE Merger
                          Corporation Sub, Inc. and Archipelago Merger Sub, Inc.
                          (Incorporated by reference to Annex A of NYSE Group,
                          Inc.'s Registration Statement on Form S-4
                          (Registration No. 333-126780), which was declared
                          effective by the Securities and Exchange Commission on
                          November 3, 2005)*

2.3                       Amendment No. 2, dated as of November 2, 2005, to the
                          Amendment and Restated Agreement and Plan of Merger,
                          by and among New York Stock Ex-





                          change, Inc., Archipelago Holdings, Inc., NYSE Merger
                          Sub LLC, NYSE Merger Corporation Sub, Inc. and
                          Archipelago Merger Sub, Inc. (Incorporated by
                          reference to Annex A of NYSE Group, Inc.'s
                          Registration Statement on Form S-4 (Registration No.
                          333-126780), which was declared effective by the
                          Securities and Exchange Commission on November 3,
                          2005)*

23.1                      Consent of Ernst & Young LLP, independent registered
                          public accounting firm for Archipelago Holdings, Inc.

99.1                      Press release entitled "New York Stock
                          Exchange/Archipelago Holdings Merger Complete," dated
                          March 7, 2006.*


* Previously filed







                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                       NYSE GROUP, INC.


Dated: May 11, 2006                    By: /s/ Richard P. Bernard
                                           -------------------------------------

                                           Name:   Richard P. Bernard
                                           Title:  Executive Vice President and
                                                   General Counsel











                                  EXHIBIT INDEX

Exhibit Number            Description

2.1                       Agreement and Plan of Merger, dated as of April 20,
                          2005, as amended and restated as of July 20, 2005, by
                          and among New York Stock Exchange, Inc., Archipelago
                          Holdings, Inc., NYSE Merger Sub LLC, NYSE Merger
                          Corporation Sub, Inc. and Archipelago Merger Sub, Inc.
                          (Incorporated by reference to Annex A of NYSE Group,
                          Inc.'s Registration Statement on Form S-4
                          (Registration No. 333-126780), which was declared
                          effective by the Securities and Exchange Commission on
                          November 3, 2005)*

2.2                       Amendment No. 1, dated as of October 20, 2005, to the
                          Amended and Restated Agreement and Plan of Merger, by
                          and among New York Stock Exchange, Inc., Archipelago
                          Holdings, Inc., NYSE Merger Sub LLC, NYSE Merger
                          Corporation Sub, Inc. and Archipelago Merger Sub, Inc.
                          (Incorporated by reference to Annex A of NYSE Group,
                          Inc.'s Registration Statement on Form S-4
                          (Registration No. 333-126780), which was declared
                          effective by the Securities and Exchange Commission on
                          November 3, 2005)*

2.3                       Amendment No. 2, dated as of November 2, 2005, to the
                          Amendment and Restated Agreement and Plan of Merger,
                          by and among New York Stock Exchange, Inc.,
                          Archipelago Holdings, Inc., NYSE Merger Sub LLC, NYSE
                          Merger Corporation Sub, Inc. and Archipelago Merger
                          Sub, Inc. (Incorporated by reference to Annex A of
                          NYSE Group, Inc.'s Registration Statement on Form S-4
                          (Registration No. 333-126780), which was declared
                          effective by the Securities and Exchange Commission on
                          November 3, 2005)*

23.1                      Consent of Ernst & Young LLP, independent registered
                          public accounting firm for Archipelago Holdings, Inc.

99.1                      Press release entitled "New York Stock
                          Exchange/Archipelago Holdings Merger Complete," dated
                          March 7, 2006.*

*Previously filed