CPNS vs NSEP: Cap, Buffer & Days Left

As of Oct 9, 2026 NSEP can fall 2.9% before its buffer engages and CPNS 1.1%. Net assets on Oct 9, 2026: $28m for Calamos Nasdaq-100 ® Structured Alt Protection ETF - September and $85m for Innovator Growth-100 Power Buffer ETF - Sep.

CPNS costs 0.10 points a year less; their one-year returns differ by 7.2 points; NSEP is 3.0 times larger.

CPNSNSEP
Expense ratio0.69%0.79%
Net assets$28m$85m
Total return, 1 year+6.3%+13.5%
What it tracksQQQQQQ
Holdings in commonnot published
Index fall to the buffer5.8%4.6%
CPNSFull floor
Full floorCPNS: reference +6.2% since period start, fund +1.1%; buffer Floor; cap +8.8%; Full floor. Figures to Oct 9, 2026.full floor beneath+6.2%full floor0% period start+8.8% cap+2.6% more to the capTODAY · QQQ +6.2%Full floorCPNS: reference +6.2% since period start, fund +1.1%; buffer Floor; cap +8.8%; Full floor. Figures to Oct 9, 2026.full floor beneathfull floor0% start+8.8% cap+6.2% gain captured+2.6% more to the capTODAY · QQQ +6.2%

CPNS: reference +6.2% since period start, fund +1.1%; buffer Floor; cap +8.8%; Full floor. Figures to Oct 9, 2026.

Figures to Oct 9, 2026.

NSEPBetween buffer and cap
Between buffer and capNSEP: reference +4.8% since period start, fund +2.9%; buffer 0 to −15; cap +18.6%; Between buffer and cap. Figures to Oct 9, 2026.15 pts of buffer+4.8%+13.8% to cap−15.0% floor0% period start+18.6% capTODAY · QQQ +4.8%Between buffer and capNSEP: reference +4.8% since period start, fund +2.9%; buffer 0 to −15; cap +18.6%; Between buffer and cap. Figures to Oct 9, 2026.15 pts−15.0% floor0% start+18.6% cap+4.8% gain captured+13.8% more to the capTODAY · QQQ +4.8%

NSEP: reference +4.8% since period start, fund +2.9%; buffer 0 to −15; cap +18.6%; Between buffer and cap. Figures to Oct 9, 2026.

NSEP: reference +4.8% since period start, fund +2.9%; buffer 0 to −15; cap +18.6%; Between buffer and cap. Figures to Oct 9, 2026.

These are two different products. CPNS is a floor fund, which caps how far a holder can fall. NSEP 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

CPNS resets first, on Aug 31, 2027, 326 days from now; NSEP runs to Aug 31, 2027, 326 days. A fall from here reaches CPNS’s buffer after 1.1% and NSEP’s after 2.9%. Both track QQQ, so what separates them is where each is in its own period.

Performance, window by window

Total returnGap to the reference's price return
WindowCPNSNSEPCPNSNSEP
3 months+1.8%+4.2%−1.7 pts+0.7 pts
6 months+4.4%+10.3%−18.6 pts−12.6 pts
1 year+6.3%+13.5%−16.7 pts−9.6 pts

Each fund's gap is to its reference's price return, dividends left out: the basis the outcome period uses. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

CPNS
Calamos Nasdaq-100 ® Structured Alt Protection ETF - September · Absorbs the whole loss on QQQ and caps the gain at 8.8%, over a period ending Aug 31, 2027
NSEP
Innovator Growth-100 Power Buffer ETF - Sep · Absorbs the first 15% of loss on QQQ and caps the gain at 18.6%, over a period ending Aug 31, 2027
Reference index QQQ QQQ
Buffer 100% 15%
Outcome period Sep 1, 2026 to Aug 31, 2027 Aug 31, 2026 to Aug 31, 2027
Days left 326 326
Starting cap +8.8% +18.6%
Can still gain not published 15.1%
Fall before buffer 1.1% 2.9%
Protection left, index points 100.0% of 100.0% 15.0% of 15.0%
Index return this period +6.2% +4.8%
Fund return this period +1.1% +2.9%
State today Open Open
Expense ratio 0.69% 0.79%
Net assets $28m $85m

As of Oct 9, 2026. Source: ETFIQ.

CPNS in plain words

The fund's price can fall 1.1% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, QQQ can fall 5.8% 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 QQQ level. 326 days remained on Oct 9, 2026. On Aug 31, 2027 the period ends and a new cap is set.

NSEP in plain words

From its price on Oct 9, 2026, the fund can gain about 15.1% more before it reaches its cap. The fund's price can fall 2.9% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, QQQ can fall 4.6% 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 QQQ level.

Questions people ask

Which resets first, CPNS or NSEP?
CPNS ends its outcome period on Aug 31, 2027 and NSEP on Aug 31, 2027. A new cap is set the day after each.
Which is cheaper, CPNS or NSEP?
CPNS charges 0.69% a year and NSEP charges 0.79%, so CPNS is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

ETFIQ calculates every figure 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 figure is an ETFIQ calculation with distributions reinvested.

Cite this page

ETFIQ, CPNS against NSEP, data as of Oct 9, 2026. https://etfiq.com/compare/buffer/cpns-vs-nsep

Open data

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