Data as of Nov 4, 2026.
CPSD vs ZDEK: Cap, Buffer & Days Left
As of Nov 4, 2026 ZDEK can fall 6.0% before its buffer engages and CPSD 5.8%.
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Net assets on Nov 4, 2026: $46m for Calamos S&P 500 Structured Alt Protection ETF - December and $105m for Innovator Equity Defined Protection ETF - 1 Yr December.
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.ZDEK: reference +12.2% since period start, fund +5.5%; buffer Floor; cap +6.8%; 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 0.1 points; ZDEK is 2.3 times larger.
Points (pts) are percentage points.
| Measure | CPSD | ZDEK |
|---|---|---|
| Return | ||
| Total return, 1 year | +6.3% | +6.4% |
| Drawdown | ||
| Index fall to the buffer | 11.3% | 10.8% |
| Benchmark | ||
| What it tracks | SPY | SPY |
| Cost and size | ||
| Expense ratio | 0.69% | 0.79% |
| Net assets | $46m | $105m |
| Holdings | ||
| Holdings in common | not published | |
Window by window
| Total return | Gap to the reference's price return | |||
|---|---|---|---|---|
| Window | CPSD | ZDEK | CPSD | ZDEK |
| 3 months | +1.5% | +1.4% | +1.8 pts | +1.8 pts |
| 6 months | +3.1% | +3.0% | −1.4 pts | −1.5 pts |
| 1 year | +6.3% | +6.4% | −7.2 pts | −7.2 pts |
| Since launchCPSD Dec 2024 · ZDEK Dec 2024 | +13.1% | +12.8% | −13.9 pts | −14.2 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
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
CPSD resets first, on Nov 30, 2026, 26 days from now; ZDEK runs to Nov 30, 2026, 26 days. A fall from here reaches CPSD’s buffer after 5.8% and ZDEK’s after 6.0%. Both track SPY, so what separates them is where each is in its own period.
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.
ZDEK
SPY had already risen past this fund's cap of +6.8% 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 0.5% as the period runs out. The fund's price can fall 6.0% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 10.8% from today's level to the point where the buffer begins.
Questions people ask
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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.
Cite this pageCitation, APA and Markdown
ETFIQ, CPSD against ZDEK, data as of Nov 4, 2026. https://etfiq.com/compare/buffer/cpsd-vs-zdek
ETFIQ. (Nov 4, 2026). CPSD against ZDEK. Retrieved from https://etfiq.com/compare/buffer/cpsd-vs-zdek
[CPSD against ZDEK (ETFIQ, Nov 4, 2026)](https://etfiq.com/compare/buffer/cpsd-vs-zdek)
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