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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>9999999997-05-040940.txt : 20050928
<SEC-HEADER>9999999997-05-040940.hdr.sgml : 20050928
<ACCEPTANCE-DATETIME>20050928155358
<PAPER>
ACCESSION NUMBER:		9999999997-05-040940
CONFORMED SUBMISSION TYPE:	40-17G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20050922
DATE AS OF CHANGE:		20050928
EFFECTIVENESS DATE:		20050922

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Flaherty & Crumrine PREFERRED INCOME OPPORTUNITY FUND INC
		CENTRAL INDEX KEY:			0000882071
		IRS NUMBER:				954355600
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		40-17G
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06495
		FILM NUMBER:		05064681

	BUSINESS ADDRESS:	
		STREET 1:		301 E COLORADO BLVD STE 720
		STREET 2:		C/O FLAHERTY & CRUMRINE INC
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101
		BUSINESS PHONE:		(626) 795-7300

	MAIL ADDRESS:	
		STREET 1:		301 COLORADO BLVD STE 720
		STREET 2:		C/O FLAHERTY & CRUMRINE INC
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PREFERRED INCOME OPPORTUNITY FUND INC
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
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<TYPE>40-17G
<SEQUENCE>1
<FILENAME>9999999997-05-040940.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
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This document was generated as part of a paper submission.
Please reference the Document Control Number 05064681 for access to the original document.
</TEXT>
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