# Filing Detail

Form N-CSRS - Certified Shareholder Report, Semi-Annual:
SEC Accession No. 0001999371-24-009232
Filing Date
2024-07-30
Accepted
2024-07-30 10:49:54
Documents
20
Period of Report
2024-05-31
Effectiveness Date
2024-07-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT | pfo-ncsrs_053124.htm iXBRL | N-CSRS | 1733571
2 | SECTION 302 CERTIFICATIONS | ex99-cert.htm | EX-99.CERT | 20649
3 | SECTION 906 CERTIFICATIONS | ex99-906cert.htm | EX-99.906 CERT | 7013
8 | GRAPHIC | pfo-ncsrs_053124img001.gif | GRAPHIC | 34776
9 | GRAPHIC | pfo-ncsrs_053124img002.gif | GRAPHIC | 48530
10 | GRAPHIC | pfo-ncsrs_053124img003.gif | GRAPHIC | 35645
11 | GRAPHIC | pfo-ncsrs_053124img004.gif | GRAPHIC | 8575
| Complete submission text file | 0001999371-24-009232.txt |  | 2999735

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | pfo-20240531.xsd | EX-101.SCH | 7377
5 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | pfo-20240531_def.xml | EX-101.DEF | 11358
6 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | pfo-20240531_lab.xml | EX-101.LAB | 14470
7 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | pfo-20240531_pre.xml | EX-101.PRE | 10749
22 | EXTRACTED XBRL INSTANCE DOCUMENT | pfo-ncsrs_053124_htm.xml | XML | 190536

Mailing Address 301 COLORADO BLVD STE 800 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.: 241155399