Calamos S&P 500 Structured Alt Protection ETF - September CPST
28.23 USD +0.10 (+0.37%)
Nov 4, 2026, 3:42 PM EST
28.20 Day range 28.28
26.68 52-week range 28.30
- YTD
- +4.49%
- 1 year
- +5.19%
- Market cap
- 32.37M
- YTD return
- +4.49%
- 1-year return
- +5.19%
- Volume
- 2.19K
- Avg volume
- 7.92K
- Open
- 28.20
- Previous close
- 28.13
- Day's range
- 28.20 – 28.28
- 52-week range
- 26.68 – 28.30
2Y +3.23 (+12.90%)
Key statistics
- Enterprise value
- 0
- PEG ratio
- 0.00
- Price / sales
- 0.00
- Price / book
- 0.00
- Dividend yield
- 0.00%
- Payout ratio
- 0.00%
- Short % of float
- 0.00%
- 50-day average
- 25.22
- 200-day average
- 25.12
About Calamos S&P 500 Structured Alt Protection ETF - September
Under normal market conditions, the fund will invest substantially all of its assets in FLexible EXchange Options ("FLEX Options") that reference the price performance of the SPDR®? S&P 500®? ETF Trust (the "Underlying ETF"). The fund is non-diversified.
News
Calamos S&P 500 Structured Alt Protection ETF – September (NYSEARCA:CPST) Sees Large Increase in Short Interest 
Calamos S&P 500 Structured Alt Protection ETF – September (NYSEARCA:CPST) Trading Up 0.1% – What’s Next? 
Calamos S&P 500 Structured Alt Protection ETF – September (NYSEARCA:CPST) Stock Price Up 0.3% – Still a Buy? 
Calamos S&P 500 Structured Alt Protection ETF – September (NYSEARCA:CPST) Trading Up 0.1% – Here’s What Happened 
Calamos S&P 500 Structured Alt Protection ETF – September (NYSEARCA:CPST) Stock Price Up 0.1% – Here’s Why 
ETF 360: Calamos Pioneers 100% Downside Protection 
Calamos Launches 2 New Large-Cap Structured Protection ETFs 
Calamos Announces Upside Cap Ranges for Upcoming Structured Protection ETFs Providing Exposure to S&P 500 and Nasdaq-100 with 100% Downside Protection Over One Year 
Capstone Green Energy US Distributor Lone Star Power Solutions Has Contracted With A Remote Data Center For A Long-Term Rental Of A Capstone C1000S - Capstone Green Energy Corporation Completes Grid Interconnect Expansion
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