CP
AMEX · CPST
Calamos S&P 500 Structured Alt Protection ETF - September
Financial Services · Asset Management
$28.14
Down-$0.03 (-0.11%)
Updated Sep 23, 2026, 3:16 PM
SID Score
4.2/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 25.38M
- P/E ratio
- -11.96
- Dividend yield
- 0.00%
- 52-week range
- $26.64 – $28.26
- Volume
- 4.79K
- Avg. volume
- 3K
Price performance
CPST price history
1M range · 20 trading sessions · Daily adjusted prices
CPST closed at $28.14 after 20 trading sessions, up 0.24% for the selected period.
- Last close
- $28.14
- Period change
- +0.24%
- Period low
- $27.97
- Period high
- $28.18
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 22, 2026 | $28.06 | $28.18 | $28.06 | $28.1367 | 4.79K |
| Sep 21, 2026 | $28.08 | $28.14 | $28.08 | $28.12 | 1.37K |
| Sep 18, 2026 | $28.06 | $28.0612 | $28.05 | $28.0612 | 743.58 |
| Sep 17, 2026 | $28.03 | $28.0649 | $28.02 | $28.0649 | 10.93K |
| Sep 16, 2026 | $28.03 | $28.05 | $27.92 | $27.9694 | 7.21K |
| Sep 15, 2026 | $28.22 | $28.22 | $28.005 | $28.0108 | 9.98K |
| Sep 14, 2026 | $28.04 | $28.15 | $28.0266 | $28.0266 | 5.03K |
| Sep 11, 2026 | $28.09 | $28.11 | $28.06 | $28.06 | 8.93K |
| Sep 10, 2026 | $27.991 | $28.049 | $27.991 | $28.0103 | 6.92K |
| Sep 9, 2026 | $28.10 | $28.10 | $28.03 | $28.0675 | 9.85K |
| Sep 8, 2026 | $28.20 | $28.26 | $28.09 | $28.1161 | 17.97K |
| Sep 4, 2026 | $28.18 | $28.18 | $28.11 | $28.131 | 13.44K |
| Sep 3, 2026 | $28.14 | $28.25 | $28.11 | $28.1769 | 24.62K |
| Sep 2, 2026 | $28.09 | $28.11 | $28.04 | $28.095 | 25.87K |
| Sep 1, 2026 | $28.00 | $28.10 | $27.98 | $28.0718 | 102.6K |
| Aug 31, 2026 | $28.13 | $28.13 | $28.07 | $28.1264 | 7.23K |
| Aug 28, 2026 | $28.10 | $28.1299 | $28.07 | $28.0998 | 5.4K |
| Aug 27, 2026 | $28.10 | $28.10 | $28.0864 | $28.0864 | 457.61 |
| Aug 26, 2026 | $28.0797 | $28.0797 | $28.0797 | $28.0797 | 88 |
| Aug 25, 2026 | $28.08 | $28.12 | $28.07 | $28.07 | 1.69K |
Latest CPST news
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