Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001387131-18-003398
Filing Date
2018-07-27
Accepted
2018-07-27 17:18:16
Documents
7
Period of Report
2018-05-31
Effectiveness Date
2018-07-27

Document Format Files

Seq Description Document Type Size
1 SEMI-ANNUAL SHAREHOLDER REPORT pfo-ncsrs_053118.htm N-CSRS 2112621
2 CERTIFICATIONS PURSUANT TO SECTION 302 ex99-cert.htm EX-99.CERT 25535
3 CERTIFICATIONS PURSUANT TO SECTION 906 ex99-906cert.htm EX-99.906 CERT 9778
4 GRAPHIC pfo-ncsrs_053118img001.gif GRAPHIC 40436
5 GRAPHIC pfo-ncsrs_053118img002.gif GRAPHIC 47400
6 GRAPHIC pfo-ncsrs_053118img003.gif GRAPHIC 57758
7 GRAPHIC pfo-ncsrs_053118img004.gif GRAPHIC 23825
  Complete submission text file 0001387131-18-003398.txt   2381998
Mailing Address 301 COLORADO BLVD STE 720 C/O FLAHERTY & CRUMRINE INC PASADENA CA 91101
Business Address 301 E COLORADO BLVD STE 720 C/O FLAHERTY & CRUMRINE INC PASADENA CA 91101 (626) 795-7300
Flaherty & Crumrine PREFERRED INCOME OPPORTUNITY FUND INC (Filer) CIK: 0000882071 (see all company filings)

EIN.: 954355600 | State of Incorp.: MD | Fiscal Year End: 1130
Type: N-CSRS | Act: 40 | File No.: 811-06495 | Film No.: 18975590