Calamos S&P 500 Structured Alt Protection ETF… (CPSO) Chart
CPSO price chart
Daily prices adjusted for splits and distributions. 1D and 5D show delayed intraday prices. Markers: D distribution, S split.
Technical snapshot
Key levels & statistics
CPSO monthly returns
Annual returns, drawdowns & risk →CPSO historical prices
CPSO distributions & splits
About the CPSO chart
Calamos S&P 500 Structured Alt Protection ETF… (CPSO) closed at $28.45 on October 23, 2026, up 5.1% so far this year. It is trading 2.7% above its 200-day moving average of $27.71. Over the past year CPSO returned +5.7% including distributions, behind the S&P 500 (+14.4%).
This page charts the trading history of CPSO since 2024. Daily prices come from EODHD and are adjusted for splits and distributions, so returns over long periods are comparable. For fund facts and the latest quote see the CPSO overview.
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CPSO chart FAQ
What is the all-time high of CPSO?
The highest closing price for CPSO was $28.54 on October 9, 2026. As of the October 23, 2026 close it traded 0.3% below that level.
What is the 52-week range of CPSO?
Over the 52 weeks to October 23, 2026, CPSO traded between an intraday low of $26.73 on November 20, 2025 and an intraday high of $28.58 on October 15, 2026.
Is CPSO above its 200-day moving average?
Yes. On October 23, 2026 CPSO closed at $28.45, 2.7% above its 200-day simple moving average of $27.71. The 50-day average was $28.32.
How has CPSO performed compared with the S&P 500?
Including reinvested distributions, CPSO returned +5.7% over the past year, compared with +14.4% for SPY. See the CPSO performance page for annual returns and drawdowns.
How do I read the CPSO chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots CPSO against another fund as a percentage change. Chart prices are adjusted for splits and distributions.