CIK 0001171471
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND
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- CHI
- Exchange
- Nasdaq
- FY end
- Oct 31
- Entity type
- other
- EIN
- 030426532
- Phone
- 6302451046
- Business address
- 2020 CALAMOS COURT, C/O CALAMOS ADVISORS LLC, NAPERVILLE, IL, 60563
- 5 Insider Annual Insider Trading Report
- 5 Insider Annual Insider Trading Report
- 5 Insider Annual Insider Trading Report
- 40-33 Other 40-33
- 40-33 Other 40-33
- 40-33 Other 40-33
- N-Q Other N-Q
- 40-33 Other 40-33
- 40-33 Other 40-33
- N-PX Other Annual Proxy Voting Report
- POS EX Other Post-effective Amendment
- 497 Other Definitive Materials by Mutual Funds
- NSAR-A Other NSAR-A
- N-CSRS Other Semi-annual Shareholder Report
- 3 Insider Initial Statement of Ownership
- DEF 14A Proxy Proxy Statement
- N-Q Other N-Q
- 497 Other Definitive Materials by Mutual Funds
- POS EX Other Post-effective Amendment
- EFFECT Other Notice of Effectiveness
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