CPSN Calamos S&P 500 Structured Alt Protection ETF - November
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Since Nov 3, 2025, CPSN returned 6.2%, against SPY's 13.0% price return. It is at its cap.
Promise check: Not measuredNo outcome period of its has finished in ETFIQ's record (snapshots from Sep 4, 2026).
CPSN risk and return scorecard
vs SPY · Nov 2024 to Oct 2026 · 102 weekly returns · dividend-adjusted
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records; risk-free rate: U.S. Treasury, Daily Treasury Bill Rates, 13-week coupon equivalent Method · Data
Money in and out
Net fund flows · Jul 31, 2026What you earned
Where does it stand in this outcome period?
Outcome period Nov 3, 2025 to Oct 30, 2026More on CPSN
Every number below is on this page. Open what you need.Price, 1 year
$28.40+0.1%1 day, priceClose, Oct 28, 2026
Price only. No distribution was paid over these days, so total return is the same. Computed by ETFIQ from Tiingo daily prices.
Source: Tiingo end-of-day prices. Data as of Oct 28, 2026. Updated every trading night. Report a data error
Points (pts) are percentage points.
| Window | Total return | SPY price return | Gap to SPY |
|---|---|---|---|
| 1M Sep 28 – Oct 28, 2026 | +0.7% | +0.9% | −0.2 pts |
| 3M Jul 29 – Oct 28, 2026 | +2.6% | +5.9% | −3.3 pts |
| 6M Apr 29 – Oct 28, 2026 | +4.0% | +8.5% | −4.5 pts |
| YTD Dec 31, 2025 – Oct 28, 2026 | +5.5% | +13.3% | −7.8 pts |
| 1Y Oct 28, 2025 – Oct 28, 2026 | +6.3% | +12.4% | −6.1 pts |
| Since launch Nov 1, 2024 – Oct 28, 2026 | +13.2% | +35.2% | −22.0 pts |
| Since launch, annualised Nov 1, 2024 – Oct 28, 2026 | +6.4% | – | – |
Total returns, distributions reinvested. SPY's column is its price return, dividends left out: the basis the outcome period uses. Listed Nov 2024: no 3 years windows.
Source: Tiingo end-of-day prices, with distributions reinvested.
CPSN: reference +13.0% since period start, fund +6.2%; buffer Floor; cap +6.8%; At its cap. Data to Oct 28, 2026.
Money in and out
Monthly data · as of Jul 31, 2026CPSN: in the month to Jul 31, 2026, nothing net moved, by its SEC filing.
Aug 1, 2025 to Jul 31, 2026
monthly, from SEC filings
monthly, from SEC filings
Computed by ETFIQ from the monthly sales and redemptions CPSN files with the SEC on Form N-PORT.
How this is computed
ETFIQ reads no daily data for this fund, so its flows are monthly, and the latest month filed is Jul 2026. Every day and month ETFIQ holds for CPSN, back to Nov 2024, is in its flows file. Flows across every fund · How these flows are computed · Compare CPSN with other funds in the flows tool
Month by month, money in and money outNov 2024 to Jul 2026
CPSN, money in and money out each month from Nov 2024 to Jul 2026: two bars a month, money in above the line and money out below. Every bar is from CPSN’s SEC filings (N-PORT item B.6). Of the 21 months listed, money came in on net in 5 and went out in 3.
Every bar is from CPSN’s SEC filings (N-PORT item B.6). Of the 21 months listed, money came in on net in 5 and went out in 3.
Most recent first.
How this is computed
N-PORT months: money in is sales plus reinvestments; money out is redemptions.
N-PORT months are the filed sales plus reinvestments less redemptions. Later months add up the daily data; the Source column names any missing day.
Source: ETFIQ, from the fund’s SEC N-PORT filings. Data as of Jul 31, 2026. Updated when the fund files its next report.
CPSN key stats
Trading
as of Oct 14, 2025
About CPSN
How we measure
12 seats on CPSN, as of Oct 28, 2026: 2 Challenges, 7 Not enough data, 3 Does not apply.
Questions people ask about CPSN
- How much can CPSN still gain?
- Nothing more in index terms on Oct 28, 2026. SPY has already passed the cap of +6.8% for this period, which runs from Nov 3, 2025 to Oct 30, 2026.
- How far can CPSN fall before the buffer helps?
- 6.5% in fund-price terms on Oct 28, 2026, by the issuer's number. In index terms SPY can fall 11.5% from that level before the buffer begins. Losses until that point are the holder's.
- How much of the CPSN buffer is left?
- 100.0% of the 100.0% buffer sat below the SPY level on Oct 28, 2026. That is an ETFIQ calculation in index points, on one definition for every issuer.
- When does CPSN reset?
- The outcome period ends on Oct 30, 2026, 2 days from the data on Oct 28, 2026. A new cap is set the next day and the buffer starts again.
- What does CPSN cost?
- The prospectus expense ratio is 0.69% a year.
Links are sources, not endorsements.
Cite this pageCitation, APA and Markdown
ETFIQ, CPSN, buffer ETFs, data as of Oct 28, 2026. https://etfiq.com/funds/cpsn
ETFIQ. (Oct 28, 2026). CPSN, buffer ETFs. Retrieved from https://etfiq.com/funds/cpsn
[CPSN, buffer ETFs (ETFIQ, Oct 28, 2026)](https://etfiq.com/funds/cpsn)
The outcome band for CPSN, redrawn every trading night.
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data.
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<figure style="margin:0;max-width:640px">
<a href="https://etfiq.com/funds/cpsn"><img src="https://etfiq.com/assistant/api/embed/buffer/cpsn.svg" alt="CPSN: CPSN: reference +13.0% since period start, fund +6.2%; buffer Floor; cap +6.8%; At its cap. Data to Oct 28, 2026." width="640" style="max-width:100%;height:auto"></a>
<figcaption style="font:13px/1.5 sans-serif">CPSN: CPSN: reference +13.0% since period start, fund +6.2%; buffer Floor; cap +6.8%; At its cap. Data to Oct 28, 2026. Data: <a href="https://etfiq.com/funds/cpsn">ETFIQ</a></figcaption>
</figure>The day's ETF flows, a comparison and one number. Every trading morning. About the Daily
Snapshot, Oct 28, 2026. More on the tabs above.