Data as of Nov 4, 2026.

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Buffer ETFs

CPSA vs HAUG: Cap, Buffer & Days Left

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CPSA can fall 1.3% before its buffer engages as of Nov 4, 2026, and HAUG 0.0% as of Nov 3, 2026.

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Net assets on Nov 4, 2026: $50m for Calamos S&P 500 Structured Alt Protection ETF - August and $2.4m for Corgi U.S. Equities 100% Structured Buffer ETF - August Series.

At a glance
CPSA Full floor
Full floorCPSA: reference +1.2% since period start, fund +1.2%; buffer Floor; cap +7.8%; Full floor. Data to Nov 4, 2026.full floor beneathfull floor0% period start+7.8% cap+1.2% gain captured+6.6% more to the capTODAY · SPY +1.2%Full floorCPSA: reference +1.2% since period start, fund +1.2%; buffer Floor; cap +7.8%; Full floor. Data to Nov 4, 2026.full floor beneathfull floor0% start+7.8% cap+1.2% gain captured+6.6% more to the capTODAY · SPY +1.2%

CPSA: reference +1.2% since period start, fund +1.2%; buffer Floor; cap +7.8%; Full floor. Data to Nov 4, 2026.

Data to Nov 4, 2026.
HAUG Buffer working
Buffer workingHAUG: reference −0.4% since period start, fund +0.2%; buffer Floor; cap +9.0%; Buffer working. Data to Nov 3, 2026.full floor beneath+9% to capfull floor0% period start+9.0% capTODAY · SPY −0.4%Buffer workingHAUG: reference −0.4% since period start, fund +0.2%; buffer Floor; cap +9.0%; Buffer working. Data to Nov 3, 2026.full floor beneathfull floor0% start+9.0% cap+9% more to the capTODAY · SPY −0.4%

HAUG: reference −0.4% since period start, fund +0.2%; buffer Floor; cap +9.0%; Buffer working. Data to Nov 3, 2026.

Data to Nov 3, 2026.

Pair scorecard

HAUG costs 0.39 points a year less; CPSA is far larger, $50m against $2.4m.

Points (pts) are percentage points.

CPSA vs HAUG: Cap, Buffer & Days Left
MeasureCPSAHAUG
Return
Total return, 1 year+5.8%not published
Drawdown
Index fall to the buffer1.2%
Benchmark
What it tracksSPYSPY
Cost and size
Expense ratio0.69%0.30%
Net assets$50m$2.4m
Holdings
Holdings in commonnot published

Method

Window by window

Window by window: CPSA vs HAUG: Cap, Buffer & Days Left
Total returnGap to the reference's price return
WindowCPSAHAUGCPSAHAUG
3 months+0.6%−0.1%+1.0 pts+0.3 pts
6 months+2.6%–−1.9 pts–
1 year+5.8%–−7.8 pts–
Since launchNot the same days: CPSA Aug 2024 · HAUG Aug 2026+16.6%−0.1%−24.6 pts+0.5 pts

Each fund's gap is to its reference's price return, dividends left out: the basis the outcome period uses. – means no data for this window. Open this comparison in the app →

Side by side

CPSA Calamos S&P 500 Structured Alt Protection ETF - August · Absorbs the whole loss on SPY and caps the gain at 7.8%, over a period ending Jul 30, 2027 HAUG Corgi U.S. Equities 100% Structured Buffer ETF - August Series · Absorbs the whole loss on SPY and caps the gain at 9.0%, over a period ending Jul 31, 2027
Issuer Calamos Corgi
Reference index SPY SPY
Buffer 100% 100%
Outcome period Aug 3, 2026 to Jul 30, 2027 Aug 1, 2026 to Jul 31, 2027
Days left 268 270
Starting cap +7.8% +9.0%
Can still gain not published not published
Fall before buffer 1.3% 0.0%
Protection left, index points 100.0% of 100.0% 99.6% of 100.0%
Index return this period +1.2% −0.4%
Fund return this period +1.2% +0.2%
State today Open Buffer working
Expense ratio 0.69% 0.30%
Net assets $50m $2.4m

As of Nov 4, 2026. Source: ETFIQ.

Where each one stands today

CPSA resets first, on Jul 30, 2027, 268 days from now; HAUG runs to Jul 31, 2027, 270 days. A fall from here reaches CPSA’s buffer after 1.3% and HAUG’s after 0.0%. Both track SPY, so what separates them is where each is in its own period.

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About each fund
CPSA

The fund's price can fall 1.3% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 1.2% from today's level to the point where the buffer begins. Protection left, in index points: 100.0% of the 100.0% buffer still sits below today's SPY level. 268 days remained on Nov 4, 2026. On Jul 30, 2027 the period ends and a new cap is set.

HAUG

Protection left, in index points: 99.6% of the 100.0% buffer still sits below today's SPY level. 270 days remained on Nov 3, 2026. On Jul 31, 2027 the period ends and a new cap is set.

Questions people ask

Which resets first, CPSA or HAUG?
CPSA ends its outcome period on Jul 30, 2027 and HAUG on Jul 31, 2027. A new cap is set the day after each.
Which is cheaper, CPSA or HAUG?
CPSA charges 0.69% a year and HAUG charges 0.30%, so HAUG is cheaper. Fees come from each fund's prospectus.
Other comparisons
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Sources and dates

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

ETFIQ calculates every number from each issuer’s published outcome-period terms. Buffer ETFs hold options on an index, not shares, so there is no holdings overlap to report.

Every number is an ETFIQ calculation with distributions reinvested.

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ETFIQ, CPSA against HAUG, data as of Nov 4, 2026. https://etfiq.com/compare/buffer/cpsa-vs-haug

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