NYSE Arca · CPSR · ETF
Calamos S&P 500 Structured Alt Protection ETF - March (CPSR) ETF price history
Every NYSE Arca trading session of Calamos S&P 500 Structured Alt Protection ETF - March from Mar 3, 2025 to Sep 28, 2026: 396 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.
CPSR adjusted close, 2025 to 2026
- $26.20
- All time high, 2026
- $26.24
- 52 week high, $24.75 low
- 396
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
CPSR key facts
- Calamos S&P 500 Structured Alt Protection ETF - March (CPSR) closed at $26.19 on Sep 28, 2026 on NYSE Arca.
- CPSR's all time high close is $26.20, set on Sep 22, 2026; its all time low close is $23.27 on Apr 8, 2025.
- CPSR's 52 week range is $24.75 to $26.24.
- CPSR returned +5.6% over the year to Sep 28, 2026.
- Since Mar 3, 2025 CPSR returned +10%, +6.5% a year compounded.
- CPSR's deepest drawdown was -3.4% from Mar 17, 2025 to Apr 8, 2025.
- DataCedar holds 396 daily sessions of CPSR history from Mar 3, 2025 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CPSR price chart, 2025 to 2026
CPSR returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.3% |
| 3 months | +1.5% |
| 6 months | +3.9% |
| Year to date | +3.9% |
| 1 year | +5.6% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Mar 3, 2025 | +10.3% |
| Compound annual growth, 1.6 years | +6.5% |
CPSR records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $26.20 on Sep 22, 2026
- All time low close
- $23.27 on Apr 8, 2025
- 52 week high
- $26.24 on Sep 22, 2026
- 52 week low
- $24.75 on Oct 10, 2025
- Deepest drawdown
- -3.4% from Mar 17, 2025 to Apr 8, 2025, recovered Jun 9, 2025
- Best single session
- +2.1% on Mar 17, 2025
- Worst single session
- -2.1% on Mar 18, 2025
- Volatility, 1 year annualised
- 1.8%
- Sessions closing higher, 1 year
- 56%
CPSR 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. 2025 starts on Mar 3, 2025; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $25.18 | $26.24 | $25.13 | $26.19 | +3.9% | 647.1K | 185 |
| 2025 | $23.90 | $25.20 | $22.98 | $25.19 | n/a | 1.5M | 211 |
CPSR monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $26.19 | +0.3% |
| August 2026 | $26.11 | +0.6% |
| July 2026 | $25.95 | +0.4% |
| June 2026 | $25.84 | +0.2% |
| May 2026 | $25.81 | +0.6% |
| April 2026 | $25.66 | +1.5% |
| March 2026 | $25.27 | -0.8% |
| February 2026 | $25.48 | +0.6% |
| January 2026 | $25.33 | +0.5% |
| December 2025 | $25.19 | +0.7% |
| November 2025 | $25.03 | +0.4% |
| October 2025 | $24.92 | +0.4% |
About the CPSR data
Daily bars. 396 sessions from Mar 3, 2025 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 28, 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 Mar 3, 2025, 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/CPSR/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE Arca
- CPSM Calamos S&P 500 Structured Alt Protection ETF May
- CPSN Calamos S&P 500 Structured Alt Protection ETF November
- CPSO Calamos S&P 500 Structured Alt Protection ETF - October
- CPSP Calamos S&P 500 Structured Alt Protection ETF - April
- CPST Calamos S&P 500 Structured Alt Protection ETF September
- CPSU Calamos S&P 500 Structured Alt Protection ETF June
- CPSY Calamos S&P 500 Structured Alt Protection ETF January
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Common questions
CPSR share price history
