# Filing Detail

Form N-CSR - Certified Shareholder Report:
SEC Accession No. 0001839882-23-002664
Filing Date
2023-02-01
Accepted
2023-02-01 17:25:21
Documents
24
Effectiveness Date
2023-02-01

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | CERTIFIED ANNUAL SHAREHOLDER REPORT | pfo-ncsr_113022.htm iXBRL | N-CSR | 1821456
2 | CODE OF ETHICS | ex99-coe.htm | EX-99.CODE ETH | 45720
3 | SECTION 302 CERTIFICATIONS | ex99-cert.htm | EX-99.CERT | 30376
4 | SECTION 906 CERTIFICATIONS | ex99-906cert.htm | EX-99.906 CERT | 9232
5 | CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM | ex99-c.htm | EX-99.(C) | 4778
10 | GRAPHIC | ex99coe001.jpg | GRAPHIC | 1901
11 | GRAPHIC | image_002.jpg | GRAPHIC | 4642
12 | GRAPHIC | image_003.jpg | GRAPHIC | 3496
13 | GRAPHIC | pfo-ncsr_113022img001.gif | GRAPHIC | 8087
14 | GRAPHIC | pfo-ncsr_113022img002.gif | GRAPHIC | 31530
15 | GRAPHIC | pfo-ncsr_113022img003.gif | GRAPHIC | 44355
16 | GRAPHIC | pfo-ncsr_113022img004.gif | GRAPHIC | 33741
17 | GRAPHIC | pfo-ncsr_113022img005.gif | GRAPHIC | 967
| Complete submission text file | 0001839882-23-002664.txt |  | 3364999

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL SCHEMA FILE | pfo-20221130.xsd | EX-101.SCH | 7028
7 | XBRL DEFINITION FILE | pfo-20221130_def.xml | EX-101.DEF | 10854
8 | XBRL LABEL FILE | pfo-20221130_lab.xml | EX-101.LAB | 14385
9 | XBRL PRESENTATION FILE | pfo-20221130_pre.xml | EX-101.PRE | 9499
19 | EXTRACTED XBRL INSTANCE DOCUMENT | pfo-ncsr_113022_htm.xml | XML | 293339

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-CSR | Act: 40 | File No.: 811-06495 | Film No.: 23577914