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Calamos S&P 500 Structured Alt Protection ETF - August (CPSA)

Defined Outcome | Exchange Traded Fund | NYSEArca
27.84 USD +0.02 (0.054%) ⇧ (July 13, 2026, 3:43 p.m. EDT)
Short-term:★★⯪☆☆Long-term:★★⯪☆☆Dividends:☆☆☆☆☆
Hot Take ↕ | July 11, 2026, 3:25 a.m. EDT

The security is a brand-new structured product offering 100% downside protection against the S&P 500, trading essentially flat since inception with zero price history to evaluate long-term business quality or momentum. There is no dividend stream to provide income, making it purely a speculative vehicle for capital preservation rather than growth or yield. While the statistical model shows very high confidence in a slight upward drift over the next 45 days, this reflects short-term noise patterns in a newly listed instrument rather than a sustainable investment thesis. Without a track record of performance or a payout to cushion volatility, the instrument offers no clear directional edge beyond the inherent structure of its underlying index.
Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL ✓0.001222
AutoETS0.001589
AutoARIMA0.001893
AutoTheta0.004814

Forecast horizon: 45 days | Selected: MSTL

Forecast Reliability
Score 83%
H-stat 0.52
Ljung-Box p 0.000
Jarque-Bera p 0.688
Excess Kurtosis -0.63

Info Dump

Attribute Value
All Time High 27.825
All Time Low 24.09
Ask 0.0
Ask Size 1,200
Average Daily Volume10 Day 4,180
Average Daily Volume3 Month 2,608
Average Volume 2,608
Average Volume10Days 4,180
Beta3 Year 0.0
Bid 0.0
Bid Size 200
Category Defined Outcome
Crypto Tradeable 0
Currency USD
Custom Price Alert Confidence HIGH
Day High 27.855
Day Low 27.8401
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 27.65188
Fifty Day Average Change 0.18821907
Fifty Day Average Change Percent 0.006806737
Fifty Two Week Change Percent 6.5479636
Fifty Two Week High 27.855
Fifty Two Week High Change -0.0149002075
Fifty Two Week High Change Percent -0.00053492043
Fifty Two Week Low 26.04
Fifty Two Week Low Change 1.8000984
Fifty Two Week Low Change Percent 0.0691282
Fifty Two Week Range 26.04 - 27.855
First Trade Date Milliseconds 1,722,519,000,000
Full Exchange Name NYSEArca
Fund Family Calamos
Fund Inception Date 1,722,384,000
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 fund is non-diversified.
Long Name Calamos S&P 500 Structured Alt Protection ETF - August
Market us_market
Market State PRE
Max Age 86,400
Message Board Id finmb_1889608529
Nav Price 27.85
Net Assets 42,401,384.0
Net Expense Ratio 0.69
Open 27.83
Previous Close 27.825
Price Hint 2
Quote Source Name Delayed Quote
Quote Type ETF
Region US
Regular Market Change 0.0150986
Regular Market Change Percent 0.0542626
Regular Market Day High 27.855
Regular Market Day Low 27.8401
Regular Market Day Range 27.8401 - 27.855
Regular Market Open 27.83
Regular Market Previous Close 27.825
Regular Market Price 27.8401
Regular Market Time 1,783,971,823
Regular Market Volume 973
Short Name Calamos S&P 500 Structured Alt
Source Interval 15
Symbol CPSA
Total Assets 42,401,384
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Peg Ratio None
Trailing Three Month Nav Returns 3.19228
Trailing Three Month Returns 3.19228
Triggerable 1
Two Hundred Day Average 27.106735
Two Hundred Day Average Change 0.7333641
Two Hundred Day Average Change Percent 0.027054682
Type Disp ETF
Volume 973
Yield 0.0
Ytd Return 2.96296