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Video: Compound Annual Growth Rate (CAGR) Definition
CGO Historical Price Range
Date Open High Low Close Volume
09/08/2026 $13.12 $13.28 $13.12 $13.28 17.50K
09/09/2026 $13.11 $13.25 $13.11 $13.17 30.70K
09/10/2026 $13.18 $13.18 $13.03 $13.07 23.30K
09/11/2026 $13.21 $13.47 $13.05 $13.15 18.50K
09/14/2026 $12.91 $12.99 $12.78 $12.78 13.30K
About Calamos Global Total Return Fund
Calamos Global Total Return Fund is a closed-end management investment company. The Fund's objective is to generate a high level of current income with a secondary objective of capital appreciation.
CGO historical stock prices picture
Calamos Global Total Return Fund (CGO) has the following price history information. Looking back at CGO historical stock prices for the last five trading days, on September 08, 2026, CGO opened at $13.12, traded as high as $13.28 and as low as $13.12, and closed at $13.28. Trading volume was a total of 17.50K shares. On September 09, 2026, CGO opened at $13.11, traded as high as $13.25 and as low as $13.11, and closed at $13.17. Trading volume was a total of 30.70K shares. On September 10, 2026, CGO opened at $13.18, traded as high as $13.18 and as low as $13.03, and closed at $13.07. Trading volume was a total of 23.30K shares. On September 11, 2026, CGO opened at $13.21, traded as high as $13.47 and as low as $13.05, and closed at $13.15. Trading volume was a total of 18.50K shares. On September 14, 2026, CGO opened at $12.91, traded as high as $12.99 and as low as $12.78, and closed at $12.78. Trading volume was a total of 13.30K shares.

CGO Historical Stock Prices By Date:

CGO historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Calamos Global Total Return Fund shares, starting with a $10,000 purchase of CGO, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested
Start date: 09/16/2016
End date: 09/14/2026
Start price/share: $11.15
End price/share: $12.78
Starting shares: 896.86
Ending shares: 2,245.97
Dividends reinvested/share: $11.07
Total return: 187.03%
Average Annual Total Return: 11.12%
Starting investment: $10,000.00
Ending investment: $28,702.67
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested
Start date: 09/16/2016
End date: 09/14/2026
Start price/share: $11.15
End price/share: $12.78
Dividends collected/share: $11.07
Total return: 113.90%
Average Annual Total Return: 7.90%
Starting investment: $10,000.00
Ending investment: $21,390.18
Years: 10.00
CGO Historical Closing Prices
Date Close
09/08/2026$13.28
09/09/2026$13.17
09/10/2026$13.07
09/11/2026$13.15
09/14/2026$12.78
Financials Historical Prices
CGO is categorized under the Financials sector; below are some other companies in the same sector:

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Also explore: CGO shares outstanding history

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