<SEC-DOCUMENT>0000846800-21-000005-index.html : 20210414
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<ACCEPTANCE-DATETIME>20210414091803
ACCESSION NUMBER:		0000846800-21-000005
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		26
FILED AS OF DATE:		20210414
DATE AS OF CHANGE:		20210414
EFFECTIVENESS DATE:		20210430

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BNY MELLON STOCK INDEX FUND, INC.
		CENTRAL INDEX KEY:			0000846800
		IRS NUMBER:				133537664
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05719
		FILM NUMBER:		21824663

	BUSINESS ADDRESS:	
		STREET 1:		C/O BNY MELLON INVESTMENT ADVISER, INC.
		STREET 2:		240 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286
		BUSINESS PHONE:		2129226400

	MAIL ADDRESS:	
		STREET 1:		C/O BNY MELLON INVESTMENT ADVISER, INC.
		STREET 2:		240 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS STOCK INDEX FUND, INC.
		DATE OF NAME CHANGE:	20181030

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS STOCK INDEX FUND INC
		DATE OF NAME CHANGE:	20020514

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS LIFE & ANNUITY INDEX FUND INC
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BNY MELLON STOCK INDEX FUND, INC.
		CENTRAL INDEX KEY:			0000846800
		IRS NUMBER:				133537664
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-27172
		FILM NUMBER:		21824662

	BUSINESS ADDRESS:	
		STREET 1:		C/O BNY MELLON INVESTMENT ADVISER, INC.
		STREET 2:		240 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286
		BUSINESS PHONE:		2129226400

	MAIL ADDRESS:	
		STREET 1:		C/O BNY MELLON INVESTMENT ADVISER, INC.
		STREET 2:		240 GREENWICH STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10286

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS STOCK INDEX FUND, INC.
		DATE OF NAME CHANGE:	20181030

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS STOCK INDEX FUND INC
		DATE OF NAME CHANGE:	20020514

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DREYFUS LIFE & ANNUITY INDEX FUND INC
		DATE OF NAME CHANGE:	19920703
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<OWNER-CIK>0000846800
<SERIES-ID>S000001911
<SERIES-NAME>BNY Mellon Stock Index Fund, Inc.
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005028
<CLASS-CONTRACT-NAME>BNY Mellon Stock Index Fund, Inc. - Initial Shares
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<CLASS-CONTRACT-NAME>BNY Mellon Stock Index Fund, Inc. - Service Shares
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<TYPE>485BPOS
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<DESCRIPTION>POST-EFFECTIVE AMENDMENT NO.49
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