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

$28.32 +0.02 (+0.07%)
As of 04:10 PM Eastern
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Calamos S&P 500 Structured Alt Protection ETF - October Stock Price Performance

The Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has increased 5.87%, with a year-to-date return of 4.66%. In the past month, the fund has increased 0.60%, reflecting recent market activity.

As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - October traded at $28.32 with a market cap of $28.32 million and volume of 135 shares.

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5 Day
Performance
+0.11%
1 Month
Performance
+0.60%
3 Month
Performance
+1.98%
Year-To-Date
Performance
+4.66%
1 Year
Performance
+5.87%

CPSO Stock Chart for Wednesday, September, 23, 2026

CPSO Chart by TradingView

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

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/23/2026$28.30$28.32
+0.07%		$28.32$28.32135 shs$28.32 million
09/22/2026$28.30$28.30$28.30$28.3053 shs$28.30 million
09/21/2026$28.29$28.30
+0.04%		$28.30$28.3022 shs$28.30 million
09/18/2026$28.26$28.29
+0.11%		$28.30$28.29476 shs$56.55 million
09/17/2026$28.27$28.26
-0.04%		$28.27$28.24240 shs$56.49 million
09/16/2026$28.24$28.27
+0.11%		$28.28$28.28583 shs$56.51 million
09/15/2026$28.25$28.24
-0.04%		$28.24$28.247 shs$56.45 million
09/14/2026$28.25$28.25$28.28$28.25598 shs$56.47 million
09/11/2026$28.23$28.25
+0.07%		$28.25$28.25128 shs$28.25 million
09/10/2026$28.24$28.23
-0.04%		$28.27$28.231,609 shs$28.23 million
09/09/2026$28.25$28.24
-0.04%		$28.24$28.24737 shs$28.24 million
09/08/2026$28.25$28.25$28.25$28.25114 shs$28.25 million
09/07/2026$28.25$28.25$28.25$28.25199 shs$28.25 million
09/04/2026$28.24$28.25
+0.04%		$28.25$28.25199 shs$28.25 million
09/03/2026$28.22$28.24
+0.07%		$28.26$28.191,234 shs$28.24 million
09/02/2026$28.20$28.22
+0.07%		$28.22$28.2238 shs$28.22 million
09/01/2026$28.21$28.20
-0.04%		$28.21$28.20250 shs$28.20 million
08/31/2026$28.21$28.21$28.25$28.205,513 shs$28.21 million
08/28/2026$28.20$28.21
+0.04%		$28.21$28.21183 shs$28.21 million
08/27/2026$28.19$28.20
+0.04%		$28.20$28.20198 shs$28.20 million
08/26/2026$28.17$28.19
+0.07%		$28.19$28.1999 shs$28.19 million
08/25/2026$28.16$28.17
+0.04%		$28.18$28.15947 shs$28.17 million
08/24/2026$28.15$28.16
+0.04%		$28.16$28.154,011 shs$28.16 million
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This page (NYSEARCA:CPSO) was last updated on 9/23/2026 by MarketBeat.com Staff.
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