<SEC-DOCUMENT>0001193125-17-014317-index.html : 20170120 <SEC-HEADER>0001193125-17-014317.hdr.sgml : 20170120 <ACCEPTANCE-DATETIME>20170120171755 ACCESSION NUMBER: 0001193125-17-014317 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170120 ITEM INFORMATION: Other Events FILED AS OF DATE: 20170120 DATE AS OF CHANGE: 20170120 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: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 811-06495 FILM NUMBER: 17539279 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> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>d331317d8k.htm <DESCRIPTION>FLAHERTY & CRUMRINE PREFERRED INCOME OPPORTUNITY FLAHERTY & CRUMRINE PREFERRED INCOME OPPORTUNITY <TEXT> Document 1 - file: d331317d8k.htm
</DOCUMENT> </SEC-DOCUMENT>