CGO (Calamos Global Total Return Fund) OCF Margin %: 23.06% (As of Apr. 2026) — 18% Above Median

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CGO Calamos Global Total Return Fund CGO
46 GF Score
Price $12.38
GF Value $27.47
Valuation Significantly Undervalued
! 3 Warning Signs
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What is Calamos Global Total Return Fund OCF Margin %?

Calamos Global Total Return Fund CGO -0.23% 46 OCF Margin % is 23.06% as of Apr. 2026, which is 18% above its 10-year median of 19.47. GuruFocus rates CGO with a GF Score™ of 46/100 and a GF Value™ of $27.47 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 1,459 Asset Management companies, Calamos Global Total Return Fund ranks worse than 75.33% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. Calamos Global Total Return Fund's Cash Flow from Operations for the six months ended in Apr. 2026 was $4.07 Mil. Calamos Global Total Return Fund's Revenue for the six months ended in Apr. 2026 was $17.64 Mil. Therefore, Calamos Global Total Return Fund's OCF Margin % for the quarter that ended in Apr. 2026 was 23.06%.

As of today, Calamos Global Total Return Fund's current OCF Yield % is -7.22%.

The historical rank and industry rank for Calamos Global Total Return Fund's OCF Margin % or its related term are showing as below:

CGO' s OCF Margin % Range Over the Past 10 Years
Min: -65.04   Med: 19.47   Max: 156.4
Current: -19.76


During the past 9 years, the highest OCF Margin % of Calamos Global Total Return Fund was 156.40%. The lowest was -65.04%. And the median was 19.47%.

CGO's OCF Margin % is ranked worse than
75.33% of 1459 companies
in the Asset Management industry
Industry Median: 14.91 vs CGO: -19.76


Calamos Global Total Return Fund OCF Margin % Related Terms


Calamos Global Total Return Fund OCF Margin % Historical Data

* Premium members only.

The historical data trend for Calamos Global Total Return Fund's OCF Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Calamos Global Total Return Fund OCF Margin % Chart

Calamos Global Total Return Fund Annual Data
Trend Oct17 Oct18 Oct19 Oct20 Oct21 Oct22 Oct23 Oct24 Oct25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only -24.14 -65.04 89.49 -7.76 48.76

Calamos Global Total Return Fund Semi-Annual Data
Oct17 Apr18 Oct18 Apr19 Oct19 Apr20 Oct20 Apr21 Oct21 Apr22 Oct22 Apr23 Oct23 Apr24 Oct24 Apr25 Oct25 Apr26
OCF Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 108.02 -223.76 -609.50 -47.97 23.06

CGO vs JHS, WEA, BWG: OCF Margin % Comparison

For the Asset Management subindustry, Calamos Global Total Return Fund's OCF Margin %, along with its competitors' market caps and OCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Calamos Global Total Return Fund OCF Margin % vs Asset Management Industry

For the Asset Management industry and Financial Services sector, Calamos Global Total Return Fund's OCF Margin % distribution charts can be found below:

* The bar in red indicates where Calamos Global Total Return Fund's OCF Margin % falls into.


CGO
46GF Score
Calamos Global Total Return Fund CGO
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Calamos Global Total Return Fund OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

Calamos Global Total Return Fund's OCF Margin for the fiscal year that ended in Oct. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Oct. 2025 )/Revenue (A: Oct. 2025 )
=11.138/22.843
=48.76 %

Calamos Global Total Return Fund's OCF Margin for the quarter that ended in Apr. 2026 is calculated as

OCF Margin=Cash Flow from Operations (Q: Apr. 2026 )/Revenue (Q: Apr. 2026 )
=4.068/17.642
=23.06 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about OCF Margin % →
What does a OCF Margin % of 23.06% mean?
Calamos Global Total Return Fund (CGO) has a OCF Margin % of 23.06% as of Apr. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Calamos Global Total Return Fund and its competitors. This is 18% above median its historical median of 19.47. According to the industry distribution chart, Calamos Global Total Return Fund ranks #1099 out of 1459 companies in the Asset Management industry, placing it in the top 75.3%.
Is Calamos Global Total Return Fund's OCF Margin % too high?
Calamos Global Total Return Fund's current OCF Margin % of 23.06% is 18% above median its 10-year median of 19.47. The Asset Management industry median OCF Margin % is 14.91. Calamos Global Total Return Fund's value of 23.06% is 54.7% above this industry median. Based on the distribution chart, Calamos Global Total Return Fund ranks #1099 out of 1459 companies in the Asset Management industry, which is in the bottom quartile relative to peers. Overall, Calamos Global Total Return Fund has a GF Score™ of 46/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Calamos Global Total Return Fund's OCF Margin % compare to JHS and WEA?
According to the Asset Management industry distribution chart, Calamos Global Total Return Fund ranks #1099 out of 1459 companies for OCF Margin %. This places Calamos Global Total Return Fund in the lower half of its industry. The industry median OCF Margin % is 14.91. Calamos Global Total Return Fund's value of 23.06% is 54.7% above this benchmark. While the company's 10-year median is 19.47 vs. the industry median of 14.91, Calamos Global Total Return Fund has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for an Asset Management company?
The median OCF Margin % among Asset Management companies is 14.91, based on 1,459 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Calamos Global Total Return Fund's current OCF Margin % of 23.06% is 54.7% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Calamos Global Total Return Fund and its competitors. For the Asset Management industry, the median OCF Margin % is 14.91 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Calamos Global Total Return Fund's current OCF Margin % is 23.06%, which is 18% above median its own 10-year median of 19.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Calamos Global Total Return Fund stock overvalued right now?
Based on GuruFocus' analysis, Calamos Global Total Return Fund (CGO) is currently considered Significantly Undervalued. The stock's GF Value™ is $27.47, compared to a current price of $12.38 — trading 54.9% below its estimated fair value. The current OCF Margin % is 23.06%, which is 18% above median its 10-year median of 19.47 and 54.7% above the Asset Management industry median of 14.91. Calamos Global Total Return Fund's overall GF Score™ is 46/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Calamos Global Total Return Fund (CGO), the current OCF Margin % is 23.06% as of Apr. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Calamos Global Total Return Fund (CGO) Overvalued in 2026?

Based on GuruFocus' analysis, Calamos Global Total Return Fund stock appears to be undervalued. The current stock price of $12.38 is trading 54.9% below its estimated GF Value™ of $27.47. GuruFocus considers Calamos Global Total Return Fund to be Significantly Undervalued.

Key valuation signals for CGO:

  • OCF Margin %: 23.06% (18% above median its 10-year median of 19.47)
  • GF Value™: $27.47 vs. price of $12.38 (54.9% below fair value)
  • GF Score™: 46/100 with 3 warning signs
  • Industry Position: 54.7% above the Asset Management median (#1099 of 1459)

No single metric tells the full story. See the CGO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Calamos Global Total Return Fund Business Description

Address 2020 Calamos Court, Naperville, IL, USA, 60563-2787
Calamos Global Total Return Fund is a closed-end management investment company. The fund's investment objective is to provide total return through a combination of capital appreciation and current income. The fund invests in equities, convertible securities, and high-yield corporate bonds.
46GF Score

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OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$12.38
Price
$27.47
GF Value