Data as of Nov 4, 2026.

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Buffer ETFs

CPSY vs PMJA: Cap, Buffer & Days Left

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As of Nov 4, 2026 CPSY can fall 5.0% before its buffer engages and PMJA 4.9%.

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Net assets on Nov 4, 2026: $30m for Calamos S&P 500 Structured Alt Protection ETF - January and $5.6m for PGIM S&P 500 Max Buffer ETF - January.

At a glance
CPSY At its cap
At its capCPSY: reference +12.2% since period start, fund +4.6%; buffer Floor; cap +6.4%; At its cap. Data to Nov 4, 2026.full floor beneath+6.4%full floor0% period start+6.4% capTODAY · SPY +12.2%At its capCPSY: reference +12.2% since period start, fund +4.6%; buffer Floor; cap +6.4%; At its cap. Data to Nov 4, 2026.full floor beneathfull floor0% start+6.4% cap+6.4% gain capturedTODAY · SPY +12.2%

CPSY: reference +12.2% since period start, fund +4.6%; buffer Floor; cap +6.4%; At its cap. Data to Nov 4, 2026.

Data to Nov 4, 2026.
PMJA At its cap
At its capPMJA: reference +12.4% since period start, fund +4.7%; buffer Floor; cap +6.6%; At its cap. Data to Nov 4, 2026.full floor beneath+6.6%full floor0% period start+6.6% capTODAY · SPY +12.4%At its capPMJA: reference +12.4% since period start, fund +4.7%; buffer Floor; cap +6.6%; At its cap. Data to Nov 4, 2026.full floor beneathfull floor0% start+6.6% cap+6.6% gain capturedTODAY · SPY +12.4%

PMJA: reference +12.4% since period start, fund +4.7%; buffer Floor; cap +6.6%; At its cap. Data to Nov 4, 2026.

Data to Nov 4, 2026.

Pair scorecard

PMJA costs 0.19 points a year less; both returned +5.9% over a year; CPSY is 5.4 times larger.

Points (pts) are percentage points.

CPSY vs PMJA: Cap, Buffer & Days Left
MeasureCPSYPMJA
Return
Total return, 1 year+5.9%+5.9%
Drawdown
Index fall to the buffer10.9%11.1%
Benchmark
What it tracksSPYSPY
Cost and size
Expense ratio0.69%0.50%
Net assets$30m$5.6m
Holdings
Holdings in commonnot published

Method

Window by window

Window by window: CPSY vs PMJA: Cap, Buffer & Days Left
Total returnGap to the reference's price return
WindowCPSYPMJACPSYPMJA
3 months+1.3%+1.2%+1.6 pts+1.6 pts
6 months+2.7%+2.7%−1.8 pts−1.8 pts
1 year+5.9%+5.9%−7.6 pts−7.7 pts
Since launchCPSY Jan 2025 · PMJA Jan 2025+11.8%+11.9%−19.4 pts−19.3 pts

Each fund's gap is to its reference's price return, dividends left out: the basis the outcome period uses. Open this comparison in the app →

Side by side

CPSY Calamos S&P 500 Structured Alt Protection ETF - January · Absorbs the whole loss on SPY and caps the gain at 6.4%, over a period ending Dec 31, 2026 PMJA PGIM S&P 500 Max Buffer ETF - January · Absorbs the whole loss on SPY and caps the gain at 6.6%, over a period ending Dec 31, 2026
Issuer Calamos PGIM
Reference index SPY SPY
Buffer 100% 100%
Outcome period Jan 2, 2026 to Dec 31, 2026 Jan 1, 2026 to Dec 31, 2026
Days left 57 57
Starting cap +6.4% +6.6%
Can still gain not published 1.4%
Fall before buffer 5.0% 4.9%
Protection left, index points 100.0% of 100.0% 100.0% of 100.0%
Index return this period +12.2% +12.4%
Fund return this period +4.6% +4.7%
State today At cap At cap
Expense ratio 0.69% 0.50%
Net assets $30m $5.6m

As of Nov 4, 2026. Source: ETFIQ.

Both are already at their cap, so neither gains from more rise in the index before the period ends.

Where each one stands today

CPSY resets first, on Dec 31, 2026, 57 days from now; PMJA runs to Dec 31, 2026, 57 days. A fall from here reaches CPSY’s buffer after 5.0% and PMJA’s after 4.9%. Both track SPY, so what separates them is where each is in its own period.

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About each fund
CPSY

SPY had already risen past this fund's cap of +6.4% for the period on Nov 4, 2026, so in index terms there is no more upside to collect. The fund's price can fall 5.0% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 10.9% 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. 57 days remained on Nov 4, 2026. On Dec 31, 2026 the period ends and a new cap is set.

PMJA

SPY had already risen past this fund's cap of +6.6% for the period on Nov 4, 2026, so in index terms there is no more upside to collect. The fund's own price can still drift up to about 1.4% as the period runs out. The fund's price can fall 4.9% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 11.1% from today's level to the point where the buffer begins.

Questions people ask

Which resets first, CPSY or PMJA?
CPSY ends its outcome period on Dec 31, 2026 and PMJA on Dec 31, 2026. A new cap is set the day after each.
Which is cheaper, CPSY or PMJA?
CPSY charges 0.69% a year and PMJA charges 0.50%, so PMJA is cheaper. Fees come from each fund's prospectus.
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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, CPSY against PMJA, data as of Nov 4, 2026. https://etfiq.com/compare/buffer/cpsy-vs-pmja

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