CPSY vs SIXF: which one stands where?
As of Oct 1, 2026 CPSY can fall 4.5% before its buffer engages and SIXF 2.1%, and CPSY resets 29 days sooner. Calamos S&P 500 ® Structured Alt Protection ETF - January and AllianzIM U.S. Equity Buffer10 ETF - Feb.
CPSY: reference +11.6% since period start, fund +4.2%; buffer −1 to floor; cap +5.9%; At its cap.
SIXF: reference +2.1% since period start, fund +1.8%; buffer 0 to −10; cap +7.8%; Between buffer and cap.
These are two different products. CPSY is a floor fund, which caps how far a holder can fall. SIXF is a buffer fund, which absorbs the first part of a fall and leaves everything below it with the holder.
CPSY is already at its cap, so more rise in the index adds nothing to it before the period ends.
Where each one stands today
CPSY resets first, on Jan 1, 2027, 92 days from now; SIXF runs to Jan 31, 2027, 121 days. A fall from here reaches CPSY’s buffer after 4.5% and SIXF’s after 2.1%. Both track SPY, so what separates them is where each is in its own period.
Every figure is ETFIQ’s own, from the issuer’s published outcome-period terms. A buffer ETF holds FLEX options on its reference index rather than shares, so there is no holdings overlap between two of them to report.
Performance, window by window
| Total return | Gap to the reference | |||
|---|---|---|---|---|
| Window | CPSY | SIXF | CPSY | SIXF |
| 3 months | +1.7% | +3.3% | −0.8 pts | +0.8 pts |
| 6 months | +4.3% | +11.6% | −12.7 pts | −5.4 pts |
| 1 year | +5.9% | +13.2% | −9.8 pts | −2.5 pts |
CPSY and SIXF over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →
On the same fields
CPSY and SIXF on the same fields, as of Oct 1, 2026. Source: ETFIQ.
CPSY in plain words
SPY had already risen past this fund's cap of +5.9% for the period on Oct 1, 2026, so in index terms there is no more upside to collect. The fund's price can fall 4.5% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 10.9% from today's level to the point where the buffer begins. Protection left, in index points: 99.5% of the 99.5% buffer still sits below today's SPY level. 92 days remained on Oct 1, 2026. On Jan 1, 2027 the period ends and a new cap is set.
SIXF in plain words
From its price on Oct 1, 2026, the fund can gain about 5.5% more before it reaches its cap. The fund's price can fall 2.1% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 2.0% from today's level to the point where the buffer begins. Protection left, in index points: 10.0% of the 10.0% buffer still sits below today's SPY level. 121 days remained on Oct 1, 2026. On Jan 31, 2027 the period ends and a new cap is set.
Questions people ask
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.
ETFIQ, CPSY against SIXF, data as of Oct 1, 2026. https://etfiq.com/compare/buffer/cpsy-vs-sixf
Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.
Cite this page. ETFIQ, CPSY against SIXF, data as of Oct 1, 2026. https://etfiq.com/compare/buffer/cpsy-vs-sixf Free to use with attribution; the underlying files are at Open data.
Other forms
- Plain
- ETFIQ, CPSY against SIXF, data as of Oct 1, 2026. https://etfiq.com/compare/buffer/cpsy-vs-sixf
- APA
- ETFIQ. (Oct 1, 2026). CPSY against SIXF. Retrieved from https://etfiq.com/compare/buffer/cpsy-vs-sixf
- Markdown
- [CPSY against SIXF (ETFIQ, Oct 1, 2026)](https://etfiq.com/compare/buffer/cpsy-vs-sixf)