Data as of Nov 4, 2026.

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Buffer ETFs

CPSD vs ZJAN: Cap, Buffer & Days Left

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As of Nov 4, 2026 CPSD can fall 5.8% before its buffer engages and ZJAN 5.0%, and CPSD resets 31 days sooner.

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Net assets on Nov 4, 2026: $46m for Calamos S&P 500 Structured Alt Protection ETF - December and $106m for Innovator Equity Defined Protection ETF - 1 Yr January.

At a glance
CPSD At its cap
At its capCPSD: reference +12.7% since period start, fund +5.5%; buffer Floor; cap +6.7%; At its cap. Data to Nov 4, 2026.full floor beneath+6.7%full floor0% period start+6.7% capTODAY · SPY +12.7%At its capCPSD: reference +12.7% since period start, fund +5.5%; buffer Floor; cap +6.7%; At its cap. Data to Nov 4, 2026.full floor beneathfull floor0% start+6.7% cap+6.7% gain capturedTODAY · SPY +12.7%

CPSD: reference +12.7% since period start, fund +5.5%; buffer Floor; cap +6.7%; At its cap. Data to Nov 4, 2026.

Data to Nov 4, 2026.
ZJAN At its cap
At its capZJAN: reference +12.4% since period start, fund +4.6%; buffer Floor; cap +6.5%; At its cap. Data to Nov 4, 2026.full floor beneath+6.5%full floor0% period start+6.5% capTODAY · SPY +12.4%At its capZJAN: reference +12.4% since period start, fund +4.6%; buffer Floor; cap +6.5%; At its cap. Data to Nov 4, 2026.full floor beneathfull floor0% start+6.5% cap+6.5% gain capturedTODAY · SPY +12.4%

ZJAN: reference +12.4% since period start, fund +4.6%; buffer Floor; cap +6.5%; At its cap. Data to Nov 4, 2026.

Data to Nov 4, 2026.

Pair scorecard

CPSD costs 0.10 points a year less; their one-year returns differ by 0.5 points; ZJAN is 2.3 times larger.

Points (pts) are percentage points.

CPSD vs ZJAN: Cap, Buffer & Days Left
MeasureCPSDZJAN
Return
Total return, 1 year+6.3%+5.8%
Drawdown
Index fall to the buffer11.3%11.0%
Benchmark
What it tracksSPYSPY
Cost and size
Expense ratio0.69%0.79%
Net assets$46m$106m
Holdings
Holdings in commonnot published

Method

Window by window

Window by window: CPSD vs ZJAN: Cap, Buffer & Days Left
Total returnGap to the reference's price return
WindowCPSDZJANCPSDZJAN
3 months+1.5%+1.2%+1.8 pts+1.6 pts
6 months+3.1%+2.6%−1.4 pts−1.9 pts
1 year+6.3%+5.8%−7.2 pts−7.8 pts
Since launchNot the same days: CPSD Dec 2024 · ZJAN Jan 2025+13.1%+11.6%−13.9 pts−19.6 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

CPSD Calamos S&P 500 Structured Alt Protection ETF - December · Absorbs the whole loss on SPY and caps the gain at 6.7%, over a period ending Nov 30, 2026 ZJAN Innovator Equity Defined Protection ETF - 1 Yr January · Absorbs the whole loss on SPY and caps the gain at 6.5%, over a period ending Dec 31, 2026
Reference index SPY SPY
Buffer 100% 100%
Outcome period Dec 1, 2025 to Nov 30, 2026 Dec 31, 2025 to Dec 31, 2026
Days left 26 57
Starting cap +6.7% +6.5%
Can still gain not published 1.2%
Fall before buffer 5.8% 5.0%
Protection left, index points 100.0% of 100.0% 100.0% of 100.0%
Index return this period +12.7% +12.4%
Fund return this period +5.5% +4.6%
State today At cap At cap
Expense ratio 0.69% 0.79%
Net assets $46m $106m

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.

They do not reset together. CPSD has 26 days of its period left and ZJAN has 57, so the two are not the same bet on the same months.

Where each one stands today

CPSD resets first, on Nov 30, 2026, 26 days from now; ZJAN runs to Dec 31, 2026, 57 days. A fall from here reaches CPSD’s buffer after 5.8% and ZJAN’s after 5.0%. Both track SPY, so what separates them is where each is in its own period.

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About each fund
CPSD

SPY had already risen past this fund's cap of +6.7% for the period on Nov 4, 2026, so in index terms there is no more upside to collect. The fund's price can fall 5.8% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 11.3% 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. 26 days remained on Nov 4, 2026. On Nov 30, 2026 the period ends and a new cap is set.

ZJAN

SPY had already risen past this fund's cap of +6.5% 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 1.2% as the period runs out. 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 11.0% from today's level to the point where the buffer begins. 57 days remained on Nov 4, 2026. On Dec 31, 2026 the period ends and a new cap is set.

Questions people ask

Which resets first, CPSD or ZJAN?
CPSD ends its outcome period on Nov 30, 2026 and ZJAN on Dec 31, 2026. A new cap is set the day after each.
Which is cheaper, CPSD or ZJAN?
CPSD charges 0.69% a year and ZJAN charges 0.79%, so CPSD 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, CPSD against ZJAN, data as of Nov 4, 2026. https://etfiq.com/compare/buffer/cpsd-vs-zjan

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