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Data as of Nov 4, 2026.

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Buffer ETFs

CPSU vs HJUN: Cap, Buffer & Days Left

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CPSU can fall 1.6% before its buffer engages as of Nov 4, 2026, and HJUN 0.0% as of Nov 3, 2026.

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Net assets on Nov 4, 2026: $30m for Calamos S&P 500 Structured Alt Protection ETF - June and $2.5m for Corgi U.S. Equities 100% Structured Buffer ETF.

CPSU on its own →HJUN on its own →
At a glance
CPSU Full floor
Full floorCPSU: reference +1.1% since period start, fund +1.4%; buffer Floor; cap +7.3%; Full floor. Data to Nov 4, 2026.full floor beneathfull floor0% period start+7.3% cap+1.1% gain captured+6.2% more to the capTODAY · SPY +1.1%Full floorCPSU: reference +1.1% since period start, fund +1.4%; buffer Floor; cap +7.3%; Full floor. Data to Nov 4, 2026.full floor beneathfull floor0% start+7.3% cap+1.1% gain captured+6.2% more to the capTODAY · SPY +1.1%

CPSU: reference +1.1% since period start, fund +1.4%; buffer Floor; cap +7.3%; Full floor. Data to Nov 4, 2026.

Data to Nov 4, 2026.
HJUN Buffer working
Buffer workingHJUN: reference −0.6% since period start, fund +1.3%; buffer Floor; cap +8.1%; Buffer working. Data to Nov 3, 2026.full floor beneath+8.1% to capfull floor0% period start+8.1% capTODAY · SPY −0.6%Buffer workingHJUN: reference −0.6% since period start, fund +1.3%; buffer Floor; cap +8.1%; Buffer working. Data to Nov 3, 2026.full floor beneathfull floor0% start+8.1% cap+8.1% more to the capTODAY · SPY −0.6%

HJUN: reference −0.6% since period start, fund +1.3%; buffer Floor; cap +8.1%; Buffer working. Data to Nov 3, 2026.

Data to Nov 3, 2026.

Pair scorecard

HJUN costs 0.39 points a year less; CPSU is 12.0 times larger.

Points (pts) are percentage points.

CPSU vs HJUN: Cap, Buffer & Days Left
MeasureCPSUHJUN
Return
Total return, 1 year+4.7%not published
Drawdown
Index fall to the buffer1.1%
Benchmark
What it tracksSPYSPY
Cost and size
Expense ratio0.69%0.30%
Net assets$30m$2.5m
Holdings
Holdings in commonnot published

Method

Window by window

Window by window: CPSU vs HJUN: Cap, Buffer & Days Left
Total returnGap to the reference's price return
WindowCPSUHJUNCPSUHJUN
3 months+0.6%+0.7%+1.0 pts+1.1 pts
6 months+1.7%–−2.8 pts–
1 year+4.7%–−8.9 pts–
Since launchNot the same days: CPSU Jun 2025 · HJUN Jun 2026+7.9%+1.3%−21.4 pts+0.4 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

CPSU Calamos S&P 500 Structured Alt Protection ETF - June · Absorbs the whole loss on SPY and caps the gain at 7.3%, over a period ending May 28, 2027 HJUN Corgi U.S. Equities 100% Structured Buffer ETF · Absorbs the whole loss on SPY and caps the gain at 8.1%, over a period ending May 31, 2027
Issuer Calamos Corgi
Reference index SPY SPY
Buffer 100% 100%
Outcome period Jun 1, 2026 to May 28, 2027 Jun 1, 2026 to May 31, 2027
Days left 205 209
Starting cap +7.3% +8.1%
Can still gain not published not published
Fall before buffer 1.6% 0.0%
Protection left, index points 100.0% of 100.0% 99.5% of 100.0%
Index return this period +1.1% −0.6%
Fund return this period +1.4% +1.3%
State today Open Buffer working
Expense ratio 0.69% 0.30%
Net assets $30m $2.5m

As of Nov 4, 2026. Source: ETFIQ.

Where each one stands today

CPSU resets first, on May 28, 2027, 205 days from now; HJUN runs to May 31, 2027, 209 days. A fall from here reaches CPSU’s buffer after 1.6% and HJUN’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
CPSU

The fund's price can fall 1.6% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 1.1% 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. 205 days remained on Nov 4, 2026. On May 28, 2027 the period ends and a new cap is set.

HJUN

Protection left, in index points: 99.5% of the 100.0% buffer still sits below today's SPY level. 209 days remained on Nov 3, 2026. On May 31, 2027 the period ends and a new cap is set.

Questions people ask

Which resets first, CPSU or HJUN?
CPSU ends its outcome period on May 28, 2027 and HJUN on May 31, 2027. A new cap is set the day after each.
Which is cheaper, CPSU or HJUN?
CPSU charges 0.69% a year and HJUN charges 0.30%, so HJUN is cheaper. Fees come from each fund's prospectus.
Other comparisons
CPSU vs CTJNCPSU vs JUNCCPSU vs PMJNCPSU vs DLMYHJUN vs FMAYHJUN vs DDTZHJUN vs MAYMHJUN vs JNEU
Where to next
S&P 500 (SPY) →All buffer ETFs ranked by the Downside Cover Score →How the scores are computed →CPSU on its own →HJUN on its own →Method →Standards and sources →
Sources and dates
CPSU filings on SEC EDGAR ↗
Calamos website ↗
Corgi website ↗

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.

Cite this pageCitation, APA and Markdown

ETFIQ, CPSU against HJUN, data as of Nov 4, 2026. https://etfiq.com/compare/buffer/cpsu-vs-hjun

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.