NYSE Arca · CPSD · ETF
Calamos S&P 500 Structured Alt Protection ETF December (CPSD) ETF price history
Every NYSE Arca trading session of Calamos S&P 500 Structured Alt Protection ETF December from Dec 2, 2024 to Sep 28, 2026: 456 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
CPSD adjusted close, 2024 to 2026
- $27.15
- All time high, 2026
- $27.16
- 52 week high, $25.44 low
- 456
- Daily sessions since 2024
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
CPSD key facts
- Calamos S&P 500 Structured Alt Protection ETF December (CPSD) closed at $27.12 on Sep 28, 2026 on NYSE Arca.
- CPSD's all time high close is $27.15, set on Sep 25, 2026; its all time low close is $23.65 on Apr 7, 2025.
- CPSD's 52 week range is $25.44 to $27.16.
- CPSD returned +6.3% over the year to Sep 28, 2026.
- Since Dec 2, 2024 CPSD returned +12%, +6.5% a year compounded.
- CPSD's deepest drawdown was -3.5% from Feb 19, 2025 to Apr 7, 2025.
- DataCedar holds 456 daily sessions of CPSD history from Dec 2, 2024 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CPSD price chart, 2024 to 2026
CPSD returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.2% |
| 3 months | +1.9% |
| 6 months | +5.1% |
| Year to date | +4.1% |
| 1 year | +6.3% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Dec 2, 2024 | +12.2% |
| Compound annual growth, 1.8 years | +6.5% |
CPSD records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $27.15 on Sep 25, 2026
- All time low close
- $23.65 on Apr 7, 2025
- 52 week high
- $27.16 on Sep 25, 2026
- 52 week low
- $25.44 on Oct 10, 2025
- Deepest drawdown
- -3.5% from Feb 19, 2025 to Apr 7, 2025, recovered Jun 10, 2025
- Best single session
- +1.0% on Apr 9, 2025
- Worst single session
- -0.7% on Mar 3, 2025
- Volatility, 1 year annualised
- 2.4%
- Sessions closing higher, 1 year
- 58%
- Best calendar year
- 2025, +8%
- Worst calendar year
- 2025, +8%
CPSD price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2024 starts on Dec 2, 2024; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $26.03 | $27.16 | $25.80 | $27.12 | +4.2% | 347.6K | 185 |
| 2025 | $24.21 | $26.08 | $23.55 | $26.02 | +7.6% | 3.2M | 250 |
| 2024 | $24.17 | $24.32 | $24.07 | $24.18 | n/a | 1.6M | 21 |
CPSD monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $27.12 | +0.3% |
| August 2026 | $27.05 | +0.7% |
| July 2026 | $26.86 | +0.6% |
| June 2026 | $26.69 | +0.0% |
| May 2026 | $26.68 | +0.9% |
| April 2026 | $26.44 | +2.0% |
| March 2026 | $25.92 | -0.9% |
| February 2026 | $26.14 | +0.0% |
| January 2026 | $26.13 | +0.4% |
| December 2025 | $26.02 | +0.4% |
| November 2025 | $25.92 | +0.7% |
| October 2025 | $25.73 | +0.8% |
About the CPSD data
Daily bars. 456 sessions from Dec 2, 2024 to Sep 28, 2026, one row per NYSE Arca trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 25, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are NYSE Arca trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Dec 2, 2024, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/CPSD/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE Arca
- CPRJ Calamos Russell 2000 Structured Alt Protection ETF July
- CPRO Calamos Russell 2000 Structured Alt Protection ETF - October
- CPRY Calamos Russell 2000 Structured Alt Protection ETF January
- CPSA Calamos S&P 500 Structured Alt Protection ETF August
- CPSF Calamos S&P 500 Structured Alt Protection ETF February
- CPSJ Calamos S&P 500 Structured Alt Protection ETF July
- CPSM Calamos S&P 500 Structured Alt Protection ETF May
- CPSN Calamos S&P 500 Structured Alt Protection ETF November
Common questions
CPSD share price history
