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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
$27.74 0.00 (0.00%)
As of 06/12/2026 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 7.48%, with a year-to-date return of 2.66%. In the past month, the fund has increased 0.36%, reflecting recent market activity.

As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - September traded at $27.74 with a market cap of $33.29 million and volume of 155 shares.

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5 Day
Performance
+0.29%
1 Month
Performance
+0.36%
3 Month
Performance
+2.55%
Year-To-Date
Performance
+2.66%
1 Year
Performance
+7.48%

CPST Stock Chart for Monday, June, 15, 2026

CPST Chart by TradingView

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

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
06/12/2026$27.72$27.74
+0.07%		$27.76$27.74155 shs$33.29 million
06/11/2026$27.66$27.72
+0.22%		$27.74$27.672,265 shs$33.26 million
06/10/2026$27.70$27.66
-0.14%		$27.70$27.6211,010 shs$33.19 million
06/09/2026$27.72$27.70
-0.07%		$27.70$27.7034 shs$33.24 million
06/08/2026$27.70$27.72
+0.07%		$27.72$27.69317 shs$33.26 million
06/05/2026$27.75$27.70
-0.18%		$27.75$27.701,348 shs$33.24 million
06/04/2026$27.75$27.75$27.75$27.753 shs$33.30 million
06/03/2026$27.75$27.75$27.75$27.75846 shs$33.30 million
06/02/2026$27.73$27.75
+0.07%		$27.75$27.74281 shs$33.30 million
06/01/2026$27.72$27.73
+0.04%		$27.73$27.73112 shs$33.28 million
05/29/2026$27.72$27.72$27.72$27.726 shs$33.26 million
05/28/2026$27.70$27.72
+0.07%		$27.72$27.681,106 shs$33.26 million
05/27/2026$27.70$27.70$27.70$27.70111 shs$33.24 million
05/26/2026$27.67$27.70
+0.11%		$27.70$27.7066 shs$33.24 million
05/25/2026$27.67$27.67$27.67$27.67224 shs$33.20 million
05/22/2026$27.67$27.67$27.67$27.67224 shs$33.20 million
05/21/2026$27.64$27.67
+0.11%		$27.67$27.6742 shs$33.20 million
05/20/2026$27.63$27.64
+0.04%		$27.64$27.61738 shs$33.17 million
05/19/2026$27.63$27.63$27.66$27.63808 shs$33.16 million
05/18/2026$27.64$27.63
-0.04%		$27.63$27.605,491 shs$33.16 million
05/15/2026$27.66$27.64
-0.07%		$27.64$27.61732 shs$33.17 million
05/14/2026$27.64$27.66
+0.07%		$27.66$27.66266 shs$33.19 million
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This page (NYSEARCA:CPST) was last updated on 6/15/2026 by MarketBeat.com Staff.
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