CPST Historical Prices
NYSEARCA: CPSTCalamosDefined OutcomeETFUSD
28.25+0.0326 (+0.12%)
At close: Oct 9, 3:54 PM ET · Delayed 15 min
CPST price history
The price history for Calamos S&P 500 Structured Alt Protection (CPST) on this page begins on October 7, 2026, when the stock closed at $28.24; it most recently closed at $28.25 on October 9, 2026. The highest price in this record is $28.27, reached on October 9, 2026, and the stock is trading near that level today. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
CPST returns
1 week
+0.04%
CPST price return, excluding dividends.
CPST daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 28.27 | 28.27 | 28.22 | 28.25 | +0.12% | |
| 28.25 | 28.22 | 28.21 | 28.21 | -0.07% | |
| 28.30 | 28.26 | 28.18 | 28.24 | — |