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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
$27.54 +0.04 (+0.15%)
As of 04:10 PM Eastern
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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 8.85%, with a year-to-date return of 1.92%. In the past month, the fund has increased 1.81%, reflecting recent market activity.

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5 Day
Performance
+0.11%
1 Month
Performance
+1.81%
3 Month
Performance
+1.70%
Year-To-Date
Performance
+1.92%
1 Year
Performance
+8.85%

CPST Stock Chart for Tuesday, May, 5, 2026

CPST Chart by TradingView

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

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
05/05/2026N/A$27.54$27.54$27.511,298 shs$33.05 million
04/30/2026$27.46$27.51
+0.18%		$27.52$27.47211 shs$33.01 million
04/29/2026$27.48$27.46
-0.07%		$27.53$27.442,506 shs$32.95 million
04/28/2026$27.47$27.48
+0.04%		$27.48$27.48283 shs$32.98 million
04/27/2026$27.47$27.47$27.47$27.471 shs$32.96 million
04/24/2026$27.42$27.47
+0.18%		$27.47$27.471 shs$32.96 million
04/23/2026$27.44$27.42
-0.07%		$27.42$27.42200 shs$32.90 million
04/22/2026$27.44$27.44$27.45$27.431,100 shs$32.93 million
04/21/2026$27.45$27.44
-0.04%		$27.44$27.441 shs$32.93 million
04/20/2026$27.46$27.45
-0.04%		$27.46$27.462,040 shs$32.94 million
04/17/2026$27.38$27.46
+0.29%		$27.46$27.402,040 shs$32.95 million
04/16/2026$27.38$27.38$27.40$27.362,753 shs$32.86 million
04/15/2026$27.35$27.38
+0.11%		$27.38$27.385 shs$32.86 million
04/14/2026$27.30$27.35
+0.18%		$27.36$27.3675 shs$32.82 million
04/13/2026$27.26$27.30
+0.15%		$27.30$27.3080 shs$32.76 million
04/10/2026$27.24$27.26
+0.07%		$27.27$27.23751 shs$32.71 million
04/09/2026$27.21$27.24
+0.11%		$27.24$27.241,481 shs$32.69 million
04/08/2026$27.05$27.21
+0.59%		$27.21$27.19393 shs$32.65 million
04/07/2026$27.08$27.05
-0.11%		$27.05$27.02603 shs$32.46 million
04/06/2026$27.05$27.08
+0.11%		$27.10$27.033,300 shs$32.50 million
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This page (NYSEARCA:CPST) was last updated on 5/5/2026 by MarketBeat.com Staff.
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