NYSE Arca · CPSU · ETF
Calamos S&P 500 Structured Alt Protection ETF June (CPSU) ETF price history
Every NYSE Arca trading session of Calamos S&P 500 Structured Alt Protection ETF June from Jun 2, 2025 to Nov 12, 2026: 366 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.
CPSU adjusted close, 2025 to 2026
- $28.10
- All time high, 2026
- $29.01
- 52 week high, $26.73 low
- 366
- Daily sessions since 2025
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
CPSU key facts
- Calamos S&P 500 Structured Alt Protection ETF June (CPSU) closed at $27.97 on Nov 12, 2026 on NYSE Arca.
- CPSU's all time high close is $28.10, set on Oct 6, 2026; its all time low close is $26.00 on Jun 2, 2025.
- CPSU's 52 week range is $26.73 to $29.01.
- CPSU returned +4.1% over the year to Nov 12, 2026.
- Since Jun 2, 2025 CPSU returned +8%, +5.2% a year compounded.
- CPSU's deepest drawdown was -1.0% from Oct 6, 2026 to Nov 6, 2026.
- DataCedar holds 366 daily sessions of CPSU history from Jun 2, 2025 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CPSU price chart, 2025 to 2026
CPSU returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -0.3% |
| 3 months | +0.3% |
| 6 months | +1.3% |
| Year to date | +3.3% |
| 1 year | +4.1% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Jun 2, 2025 | +7.6% |
| Compound annual growth, 1.4 years | +5.2% |
CPSU records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $28.10 on Oct 6, 2026
- All time low close
- $26.00 on Jun 2, 2025
- 52 week high
- $29.01 on Jun 1, 2026
- 52 week low
- $26.73 on Nov 20, 2025
- Deepest drawdown
- -1.0% from Oct 6, 2026 to Nov 6, 2026, not yet recovered
- Best single session
- +0.7% on Mar 31, 2026
- Worst single session
- -0.9% on Nov 5, 2026
- Volatility, 1 year annualised
- 2.5%
- Sessions closing higher, 1 year
- 52%
CPSU 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 Jun 2, 2025; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $27.08 | $29.01 | $27.00 | $27.97 | +3.3% | 791K | 218 |
| 2025 | $25.95 | $28.65 | $25.94 | $27.08 | n/a | 1.5M | 148 |
CPSU monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $27.97 | +0.1% |
| October 2026 | $27.95 | +0.2% |
| September 2026 | $27.90 | +0.0% |
| August 2026 | $27.89 | +0.6% |
| July 2026 | $27.71 | +0.3% |
| June 2026 | $27.64 | -0.2% |
| May 2026 | $27.68 | +0.4% |
| April 2026 | $27.56 | +1.4% |
| March 2026 | $27.17 | -0.3% |
| February 2026 | $27.26 | +0.3% |
| January 2026 | $27.18 | +0.4% |
| December 2025 | $27.08 | +0.6% |
About the CPSU data
Daily bars. 366 sessions from Jun 2, 2025 to Nov 12, 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 Oct 23, 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 Jun 2, 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/nyse-arca%3ACPSU/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE Arca
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Common questions
CPSU share price history
