Data as of Nov 4, 2026.

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Buffer ETFs

CPSM vs XAPR: Cap, Buffer & Days Left

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As of Nov 4, 2026 XAPR can fall 5.7% before its buffer engages and CPSM 2.6%, and XAPR resets 14 days sooner.

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Net assets: $59m on Nov 4, 2026 for Calamos S&P 500 Structured Alt Protection ETF - May, and $52m on Nov 3, 2026 for FT Vest U.S. Equity Enhance & Moderate Buffer ETF - April.

At a glance
CPSM Full floor
Full floorCPSM: reference +6.4% since period start, fund +2.3%; buffer Floor; cap +6.7%; Full floor. Data to Nov 4, 2026.full floor beneath+6.4%full floor0% period start+6.7% cap+0.3% more to the capTODAY · SPY +6.4%Full floorCPSM: reference +6.4% since period start, fund +2.3%; buffer Floor; cap +6.7%; Full floor. Data to Nov 4, 2026.full floor beneathfull floor0% start+6.7% cap+6.4% gain captured+0.3% more to the capTODAY · SPY +6.4%

CPSM: reference +6.4% since period start, fund +2.3%; buffer Floor; cap +6.7%; Full floor. Data to Nov 4, 2026.

Data to Nov 4, 2026.
XAPR Between buffer and cap
Between buffer and capXAPR: reference +8.0% since period start, fund +5.2%; buffer 0 to −15; cap +10.4%; Between buffer and cap. Data to Nov 4, 2026.15 pts of buffer+8% gained−15.0% floor0% period start+10.4% cap+2.4% more to the capTODAY · SPY +8.0%Between buffer and capXAPR: reference +8.0% since period start, fund +5.2%; buffer 0 to −15; cap +10.4%; Between buffer and cap. Data to Nov 4, 2026.15 pts+8%−15.0% floor0% start+10.4% cap+2.4% more to the capTODAY · SPY +8.0%

XAPR: reference +8.0% since period start, fund +5.2%; buffer 0 to −15; cap +10.4%; Between buffer and cap. Data to Nov 4, 2026.

XAPR: reference +8.0% since period start, fund +5.2%; buffer 0 to −15; cap +10.4%; Between buffer and cap. Data to Nov 4, 2026.

Pair scorecard

CPSM costs 0.16 points a year less; their one-year returns differ by 3.3 points; CPSM is 1.1 times larger.

Points (pts) are percentage points.

CPSM vs XAPR: Cap, Buffer & Days Left
MeasureCPSMXAPR
Return
Total return, 1 year+4.8%+8.1%
Drawdown
Index fall to the buffer6.0%7.4%
Benchmark
What it tracksSPYSPY
Cost and size
Expense ratio0.69%0.85%
Net assets, as of Nov 3, 2026$59m$52m
Holdings
Holdings in commonnot published

Method

Window by window

Window by window: CPSM vs XAPR: Cap, Buffer & Days Left
Total returnGap to the reference's price return
WindowCPSMXAPRCPSMXAPR
3 months+1.0%+1.5%+1.3 pts+1.9 pts
6 months+2.1%+4.1%−2.4 pts−0.4 pts
1 year+4.8%+8.1%−8.7 pts−5.5 pts
Since launchNot the same days: CPSM May 2024 · XAPR Apr 2024+18.8%+29.9%−34.5 pts−23.5 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

CPSM Calamos S&P 500 Structured Alt Protection ETF - May · Absorbs the whole loss on SPY and caps the gain at 6.7%, over a period ending Apr 30, 2027 XAPR FT Vest U.S. Equity Enhance & Moderate Buffer ETF - April · Absorbs the first 15% of loss on SPY and caps the gain at 10.4%, over a period ending Apr 16, 2027
Reference index SPY SPY
Buffer 100% 15%
Outcome period May 1, 2026 to Apr 30, 2027 Apr 20, 2026 to Apr 16, 2027
Days left 177 163
Starting cap +6.7% +10.4%
Can still gain not published 4.1%
Fall before buffer 2.6% 5.7%
Protection left, index points 100.0% of 100.0% 15.0% of 15.0%
Index return this period +6.4% +8.0%
Fund return this period +2.3% +5.2%
State today Open Open
Expense ratio 0.69% 0.85%
Net assets, CPSM as of Nov 4, 2026 and XAPR as of Nov 3, 2026 $59m $52m

As of Nov 4, 2026. Source: ETFIQ.

These are two different products. CPSM is a floor fund, which caps how far a holder can fall. XAPR is a buffer fund, which absorbs the first part of a fall and leaves everything below it with the holder.

Where each one stands today

XAPR resets first, on Apr 16, 2027, 163 days from now; CPSM runs to Apr 30, 2027, 177 days. A fall from here reaches CPSM’s buffer after 2.6% and XAPR’s after 5.7%. Both track SPY, so what separates them is where each is in its own period.

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About each fund
CPSM

The fund's price can fall 2.6% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 6.0% 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. 177 days remained on Nov 4, 2026. On Apr 30, 2027 the period ends and a new cap is set.

XAPR

From its price on Nov 4, 2026, the fund can gain about 4.1% more before it reaches its cap. The fund's price can fall 5.7% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 7.4% from today's level to the point where the buffer begins. Protection left, in index points: 15.0% of the 15.0% buffer still sits below today's SPY level. 163 days remained on Nov 4, 2026. On Apr 16, 2027 the period ends and a new cap is set.

Questions people ask

Which resets first, CPSM or XAPR?
CPSM ends its outcome period on Apr 30, 2027 and XAPR on Apr 16, 2027. A new cap is set the day after each.
Which is cheaper, CPSM or XAPR?
CPSM charges 0.69% a year and XAPR charges 0.85%, so CPSM 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, CPSM against XAPR, data as of Nov 4, 2026. https://etfiq.com/compare/buffer/cpsm-vs-xapr

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