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CIK 0001171471

CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND

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Ticker
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
  1. DEF 14A Proxy Proxy Statement
  2. 497 Other Definitive Materials by Mutual Funds
  3. POS EX Other Post-effective Amendment
  4. CORRESP Other Correspondence Between Filers and SEC Staff
  5. EFFECT Other Notice of Effectiveness
  6. CORRESP Other Correspondence Between Filers and SEC Staff
  7. N-Q Other N-Q
  8. 40-17G Other 40-17G
  9. SC 13G/A Stake Amended Statement of Ownership
  10. SC 13G Stake Amended Statement of Ownership
  11. CORRESP Other Correspondence Between Filers and SEC Staff
  12. POS 8C Other POS 8C
  13. 40-APP/A Other 40-APP/A
  14. 40-APP/A Other 40-APP/A
  15. 3 Insider Initial Statement of Ownership
  16. SC 13G Stake Amended Statement of Ownership
  17. SC 13G Stake Amended Statement of Ownership
  18. 3 Insider Initial Statement of Ownership
  19. NSAR-B Other NSAR-B
  20. N-CSR Other Annual Shareholder Report

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