FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Chai Nelson 2. Date of Event Requiring Statement (Month/Day/Year) 03/07/2006 3. Issuer Name and Ticker or Trading Symbol NYSE Group, Inc. [NYX] (Last) (First) (Middle) 11 WALL STREET, C/O NYSE GROUP, INC. 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Ex. VP and CFO 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10005 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, par value $0.01 per share 32,035 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Options (right to buy)	  (2)	03/16/2015	Common Stock, par value $0.01 per share	25,648	$ 19.3	D	Â
Employee Stock Options (right to buy)	  (3)	08/11/2014	Common Stock, par value $0.01 per share	70,000	$ 11.5	D	Â
Employee Stock Options (right to buy)	  (4)	08/22/2010	Common Stock, par value $0.01 per share	72,222	$ 20.25	D	Â
Employee Stock Options (right to buy)	  (4)	08/11/2013	Common Stock, par value $0.01 per share	22,222	$ 4.91	D	Â
Employee Stock Options (right to buy)	  (4)	08/11/2013	Common Stock, par value $0.01 per share	22,222	$ 6.26	D	Â
Employee Stock Options (right to buy)	  (5)	11/18/2013	Common Stock, par value $0.01 per share	77,778	$ 13.41	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Chai Nelson 11 WALL STREET C/O NYSE GROUP, INC. NEW YORK, NY 10005	Â	Â	  Ex. VP and CFO	Â

Signatures

/s/ Nelson J. Chai		03/07/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Received in exchange for an equal number of shares of common stock of Archipelago Holdings, Inc. in connection with the merger of the New York Stock Exchange, Inc. and Archipelago Holdings, Inc. On the effective date of the merger, the closing price of the common stock of Archipelago Holdings, Inc. was $64.25 per share. The shares of the NYSE Group, Inc. common stock will commence trading on March 8, 2006, the day following the effective date of the merger.
(2)	Received in exchange for an equivalent option award to acquire an equal number of shares of Archipelago Holdings, Inc. at the same exercise price granted by Archipelago Holdings, Inc. on March 16, 2005, 19,236 of which are vested and 6,412 of which are scheduled to vest in four equal annual installments over a four year period from the date of grant.
(3)	Received in exchange for an equivalent option award to acquire an equal number of shares of Archipelago Holdings, Inc. at the same exercise price granted by Archipelago Holdings, Inc. on August 11, 2004, 56,875 of which are vested and 13,125 of which are scheduled to vest in four equal annual installments over a four year period from the date of grant.
(4)	Received in exchange for an equivalent option award to acquire an equal number of shares of Archipelago Holdings, Inc. at the same exercise price. These options are fully vested.
(5)	Received in exchange for an equivalent option award to acquire an equal number of shares of Archipelago Holdings, Inc. at the same exercise price granted by Archipelago Holdings, Inc. on November 18, 2003, 68,056 of which are vested and 9,722 of which are scheduled to vest in four equal annual installments over a four year period from the date of grant.

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