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Calamos S&P 500 Structured Alt Protection ETF - March (CPSR)

Defined Outcome | Exchange Traded Fund | NYSEArca
25.62 USD +0.05 (0.176%) ⇧ (April 17, 2026, 1:01 p.m. EDT)

Short-term: ★★★☆☆ | Long-term: ★★☆☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 18, 2026, 11:39 p.m. EDT

CPSR is a specialized, zero-dividend structured product with extremely low liquidity and negligible short-term upside potential despite being near its 52-week high. While price momentum remains neutral-to-bullish over the past two weeks, the inherent structural limitations of secured alt-protection ETFs and the absence of any income make it a poor generalist investment, best suited only for viewers of specific structured note warrants.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoTheta ✓0.003233
MSTL0.004416
AutoARIMA0.004553
AutoETS0.004585

Forecast horizon: 45 days | Selected: AutoTheta

Forecast Reliability
Score 45%
H-stat 8.00
Ljung-Box p 0.000
Jarque-Bera p 0.061
Excess Kurtosis -0.66

Info Dump

Attribute Value
All Time High 25.625
All Time Low 22.981
Ask 25.65
Ask Size 200
Average Daily Volume10 Day 3,690
Average Daily Volume3 Month 7,580
Average Volume 7,580
Average Volume10Days 3,690
Beta3 Year 0.0
Bid 25.59
Bid Size 900
Category Defined Outcome
Crypto Tradeable 0
Currency USD
Custom Price Alert Confidence HIGH
Day High 25.625
Day Low 25.57
Display Name Capstar Special Purpose
Dividend Yield 0.0
Esg Populated 0
Exchange PCX
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 25.38204
Fifty Day Average Change 0.23796082
Fifty Day Average Change Percent 0.009375165
Fifty Two Week Change Percent 9.792161
Fifty Two Week High 25.625
Fifty Two Week High Change -0.0049991608
Fifty Two Week High Change Percent -0.0001950892
Fifty Two Week Low 23.325
Fifty Two Week Low Change 2.295
Fifty Two Week Low Change Percent 0.098392285
Fifty Two Week Range 23.325 - 25.625
First Trade Date Milliseconds 1,741,012,200,000
Full Exchange Name NYSEArca
Fund Family Calamos
Fund Inception Date 1,740,960,000
Gmt Off Set Milliseconds -14,400,000
Has Pre Post Market Data 1
Language en-US
Legal Type Exchange Traded Fund
Long Business Summary 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.
Long Name Calamos S&P 500 Structured Alt Protection ETF - March
Market us_market
Market State CLOSED
Max Age 86,400
Message Board Id finmb_1889180418
Nav Price 25.65
Net Assets 29,057,088.0
Net Expense Ratio 0.69
Open 25.57
Previous Close 25.575
Price Hint 2
Quote Source Name Delayed Quote
Quote Type ETF
Region US
Regular Market Change 0.0450001
Regular Market Change Percent 0.175953
Regular Market Day High 25.625
Regular Market Day Low 25.57
Regular Market Day Range 25.57 - 25.625
Regular Market Open 25.57
Regular Market Previous Close 25.575
Regular Market Price 25.62
Regular Market Time 1,776,445,313
Regular Market Volume 1,407
Short Name Calamos S&P 500 Structured Alt
Source Interval 15
Symbol CPSR
Total Assets 29,057,088
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Peg Ratio None
Trailing Three Month Nav Returns 0.19826
Trailing Three Month Returns 0.19826
Triggerable 1
Two Hundred Day Average 24.977695
Two Hundred Day Average Change 0.6423054
Two Hundred Day Average Change Percent 0.025715157
Type Disp ETF
Volume 1,407
Yield 0.0
Ytd Return 0.19826