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Calamos S&P 500 Structured Alt Protection ETF - September (CPST) Chart & Stock Price History

Calamos S&P 500 Structured Alt Protection ETF - September logo
$28.19 +0.01 (+0.05%)
As of 11:09 AM Eastern
This is a fair market value price provided by Massive. Learn more.
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Calamos S&P 500 Structured Alt Protection ETF - September Stock Price Performance

The Calamos S&P 500 Structured Alt Protection ETF - September (CPST) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has increased 5.32%, with a year-to-date return of 4.34%. In the past month, the fund has increased 0.66%, reflecting recent market activity.

As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - September traded at $28.18 with a market cap of $42.27 million and volume of 4,885 shares.

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5 Day
Performance
-0.20%
1 Month
Performance
+0.66%
3 Month
Performance
+1.02%
Year-To-Date
Performance
+4.34%
1 Year
Performance
+5.32%

CPST Stock Chart for Thursday, October, 15, 2026

CPST Chart by TradingView

Calamos S&P 500 Structured Alt Protection ETF - September Stock Price History

Price Date
0 Results
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
10/14/2026$28.23$28.18
-0.18%		$28.24$28.184,885 shs$42.27 million
10/13/2026$28.24$28.23
-0.04%		$28.23$28.237 shs$42.35 million
10/12/2026$28.25$28.24
-0.04%		$28.28$28.223,586 shs$42.36 million
10/09/2026$28.21$28.25
+0.14%		$28.27$28.221,134 shs$42.38 million
10/08/2026$28.24$28.21
-0.11%		$28.25$28.211,197 shs$42.32 million
10/07/2026$28.24$28.24$28.30$28.1826,916 shs$36.71 million
10/06/2026$28.19$28.24
+0.18%		$28.24$28.24778 shs$36.71 million
10/05/2026$28.17$28.19
+0.07%		$28.20$28.181,995 shs$36.65 million
10/02/2026$28.14$28.17
+0.11%		$28.18$28.152,062 shs$36.62 million
10/01/2026$28.11$28.14
+0.11%		$28.14$28.08102,800 shs$36.58 million
09/30/2026$28.08$28.11
+0.11%		$28.14$28.096,181 shs$36.54 million
09/29/2026$28.08$28.08$28.10$28.084,274 shs$36.50 million
09/28/2026$28.14$28.08
-0.21%		$28.08$28.08125 shs$36.50 million
09/25/2026$28.09$28.14
+0.18%		$28.16$28.112,849 shs$36.58 million
09/24/2026$28.12$28.09
-0.11%		$28.14$28.094,330 shs$36.52 million
09/23/2026$28.14$28.12
-0.07%		$28.14$28.0832,305 shs$36.56 million
09/22/2026$28.12$28.14
+0.07%		$28.18$28.064,793 shs$36.58 million
09/21/2026$28.06$28.12
+0.21%		$28.14$28.081,371 shs$36.56 million
09/18/2026$28.06$28.06$28.06$28.05744 shs$56.09 million
09/17/2026$27.97$28.06
+0.32%		$28.06$28.0210,929 shs$56.09 million
09/16/2026$28.01$27.97
-0.14%		$28.05$27.927,209 shs$55.91 million
09/15/2026$28.03$28.01
-0.07%		$28.22$28.019,980 shs$55.99 million
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This page (NYSEARCA:CPST) was last updated on 10/15/2026 by MarketBeat.com Staff.
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