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February 26, 2008
Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549
FIDELITY BOND FILING
Calamos Investment Trust — 1940 Act File No. 811-05443
Calamos Advisors Trust — 1940 Act File No. 811-09237
Calamos Convertible Opportunities and Income Fund — 1940 Act File No. 811-21080
Calamos Convertible and High Income Fund — 1940 Act File No. 811-21319
Calamos Strategic Total Return Fund — 1940 Act File No. 811-21484
Calamos Global Total Return Fund — 1940 Act File No. 811-21547
Calamos Global Dynamic Income Fund — 1940 Act File No. 811-22047
On behalf of Calamos Investment Trust, Calamos Advisors Trust, Calamos Convertible Opportunities and Income Fund, Calamos Convertible and High Income Fund, Calamos Strategic Total Return Fund, Calamos Global Total Return Fund and Calamos Global Dynamic Income Fund (the “Trusts”), I am enclosing the following documents for filing under Rule 17g-1(g) of the Investment Company Act of 1940:
  1.   One copy of the Trusts’ joint fidelity bond for the year ending January 31, 2009;
 
  2.   One copy of the resolutions adopted by the Trusts’ board of trustees, including the trustees who are not “interested persons” of the Trusts approving the amount, type, form and coverage of the bond;
 
  3.   One copy of the fidelity bond insurance allocation agreement among the Trusts, Calamos Advisors LLC, Calamos Asset Management, Inc., Calamos Family Partners, Inc., Calamos Financial Services LLC, Calamos Holdings LLC, Calamos Partners LLC, Calamos Profit Sharing 401(k) Plan, Calamos Wealth Management LLC and Calamos Global Opportunities Fund LP.
The premium on the bond has been paid for the period ending January 31, 2009. In addition, please note that the minimum amount of bond that each trust would have been required to provide, as set forth in Rule 17g-1(d), under a single insured bond is as follows:
         
Calamos Investment Trust
  $ 2,500,000  
Calamos Advisors Trust
  $ 350,000  
Calamos Convertible Opportunities and Income Fund
  $ 1,500,000  

 


 

Fidelity Bond Filing
February 26, 2008
Page 2
         
Calamos Convertible and High Income Fund
  $ 1,250,000  
Calamos Strategic Total Return Fund
  $ 2,300,000  
Calamos Global Total Return Fund
  $ 600,000  
Calamos Global Dynamic Income Fund
  $ 1,250,000  
Sincerely,
CALAMOS INVESTMENT TRUST, CALAMOS ADVISORS TRUST, CALAMOS CONVERTIBLE OPPORTUNITIES AND INCOME FUND, CALAMOS CONVERTIBLE AND HIGH INCOME FUND, CALAMOS STRATEGIC TOTAL RETURN FUND, CALAMOS GLOBAL TOTAL RETURN FUND, CALAMOS GLOBAL DYNAMIC INCOME FUND
/s/ Stathy Darcy
Stathy Darcy
Secretary