CPSO Historical Prices
NYSEARCA: CPSOCalamosDefined OutcomeETFUSD
28.54+0.0242 (+0.08%)
At close: Oct 9, 3:57 PM ET · Delayed 15 min
CPSO price history
The price history for Calamos S&P 500 Structured Alt Protection (CPSO) on this page begins on October 7, 2026, when the stock closed at $28.52; it most recently closed at $28.54 on October 9, 2026. The highest price in this record is $28.55, 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
CPSO returns
1 week
+0.09%
CPSO price return, excluding dividends.
CPSO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 28.53 | 28.55 | 28.51 | 28.54 | +0.08% | |
| 28.51 | 28.53 | 28.48 | 28.52 | +0.01% | |
| 28.50 | 28.53 | 28.46 | 28.52 | — |