Nasdaq · CGO · stock

Calamos Global Total Return Fund (CGO) stock price history

Every Nasdaq trading session of Calamos Global Total Return Fund from Oct 27, 2005 to Nov 12, 2026: 5,241 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

CGO adjusted close, 2005 to 2026

CGOCalamos Global Total Return Fund
$11.85+6.4% over one year
2010201520202025
$13.93
All time high, 2026
$14.02
52 week high, $10.31 low
5,241
Daily sessions since 2005

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2005 to 2026 series and minute bars.

CGO key facts

  • Calamos Global Total Return Fund (CGO) closed at $11.85 on Nov 12, 2026 on Nasdaq.
  • CGO's all time high close is $13.93, set on Jun 2, 2026; its all time low close is $1.43 on Oct 9, 2008.
  • CGO's 52 week range is $10.31 to $14.02.
  • CGO returned +6.4% over the year to Nov 12, 2026 and +11.9% over five years.
  • Over ten years CGO returned +171%, +10.5% a year compounded.
  • CGO's deepest drawdown was -60.0% from Dec 7, 2007 to Oct 9, 2008.
  • DataCedar holds 5,241 daily sessions of CGO history from Oct 27, 2005 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

CGO price chart, 2005 to 2026

CGO adjusted close, Oct 27, 2005 to Nov 12, 2026$1.47$5.61$9.75$13.8920052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

CGO returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-4.1%
3 months-10.3%
6 months-11.1%
Year to date+7.4%
1 year+6.4%
3 years+73.5%
5 years+11.9%
10 years+171.4%
Since Oct 27, 2005+405.0%
Compound annual growth, 21.0 years+8.0%

CGO records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$13.93 on Jun 2, 2026
All time low close
$1.43 on Oct 9, 2008
52 week high
$14.02 on Jun 1, 2026
52 week low
$10.31 on Nov 20, 2025
Deepest drawdown
-60.0% from Dec 7, 2007 to Oct 9, 2008, recovered Nov 5, 2010
Best single session
+27.0% on Oct 13, 2008
Worst single session
-24.1% on Mar 18, 2020
Volatility, 1 year annualised
20.7%
Sessions closing higher, 1 year
55%
Growth of 1 since 2005
5.1×
Best calendar year
2009, +68%
Worst calendar year
2008, -44%

CGO price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2005 starts on Oct 27, 2005; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$11.11$14.02$10.44$11.85+8.2%6.1M218
2025$10.09$11.56$7.81$10.96+8.9%6.5M250
2024$7.30$10.90$7.21$10.07+36.8%7.1M251
2023$6.48$7.75$6.23$7.36+14.0%6.2M245
2022$10.18$10.29$6.25$6.45-36.6%7.2M249
2021$9.10$11.20$8.71$10.18+13.0%6.1M252
2020$7.49$9.40$3.52$9.00+20.9%8.5M247
2019$5.09$7.58$5.08$7.45+45.1%6.7M240
2018$6.92$7.54$4.83$5.13-26.1%7.5M251
2017$4.48$7.28$4.44$6.95+56.7%10.5M251
2016$4.24$4.74$3.54$4.44+3.0%6.7M250
2015$4.55$5.00$3.93$4.31-5.0%6.6M252
2014$4.42$4.93$3.87$4.54+2.6%6.1M252
2013$4.01$4.61$3.64$4.42+12.2%6.7M251
2012$3.64$4.16$3.48$3.94+8.8%5.7M235
2011$3.61$4.11$3.08$3.62+1.3%6M247
2010$3.27$3.64$2.79$3.58+10.9%9.9M252
2009$1.95$3.31$1.48$3.23+67.8%8.3M251
2008$3.44$3.55$1.26$1.92-44.4%6.8M250
2007$2.88$3.60$2.10$3.46+20.7%6.5M251
2006$2.22$2.88$2.19$2.86+28.2%8.1M251
2005$2.35$2.35$2.06$2.23n/a2.7M45

CGO monthly closes, last 12 months

MonthMonth end closeChange
November 2026$11.85-1.0%
October 2026$11.97-7.2%
September 2026$12.90-2.1%
August 2026$13.18+3.9%
July 2026$12.68-6.5%
June 2026$13.57-2.2%
May 2026$13.87+9.7%
April 2026$12.64+16.3%
March 2026$10.87-11.4%
February 2026$12.27+3.5%
January 2026$11.85+8.2%
December 2025$10.96+2.2%

About the CGO data

Daily bars. 5,241 sessions from Oct 27, 2005 to Nov 12, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Oct 23, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 27, 2005, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/nasdaq%3ACGO/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

CGO share price history

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