Data as of .
CPSO vs DDTN: which one stands where?
As of Sep 19, 2026 DDTN can fall 10.1% before its buffer engages and CPSO 5.9%, and CPSO resets 31 days sooner.
These are two different products. CPSO is a floor fund, which caps how far a holder can fall. DDTN is a buffer fund, which absorbs the first part of a fall and leaves everything below it with the holder.
They do not reset together. CPSO has 12 days of its period left and DDTN has 43, so the two are not the same bet on the same months.
Where each one stands today
CPSO resets first, on Oct 1, 2026, 12 days from now; DDTN runs to Oct 31, 2026, 43 days. A fall from here reaches CPSO’s buffer after 5.9% and DDTN’s after 10.1%. 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
| Window | Total return | Gap to the reference | ||
|---|---|---|---|---|
| CPSO | DDTN | CPSO | DDTN | |
| 3 months | +1.6% | +2.4% | −0.6 pts | +0.2 pts |
| 6 months | +4.8% | +11.8% | −13.2 pts | −6.2 pts |
| 1 year | +5.8% | not published | −10.8 pts | not published |
| CPSO Calamos S&P 500 ® Structured Alt Protection ETF - October Absorbs losses from 0.6% to 100.0% on SPY and caps the gain at 5.8%, over a period ending Oct 1, 2026 | DDTN Innovator Equity Dual Directional 10 Buffer ETF - Nov Absorbs the first 10% of loss on SPY and caps the gain at 13.8%, over a period ending Oct 31, 2026 | |
|---|---|---|
| Issuer | Calamos | Innovator |
| Reference index | SPY | SPY |
| Buffer | 1% to 100% | 10% |
| Outcome period | Oct 1, 2025 to Oct 1, 2026 | Oct 31, 2025 to Oct 31, 2026 |
| Days left | 12 | 43 |
| Starting cap | +5.8% | +13.8% |
| Can still gain | not published | 2.5% |
| Fall before buffer | 5.9% | 10.1% |
| Protection left, index points | 99.4% of 99.4% | 10.0% of 10.0% |
| Index return this period | +13.9% | +11.7% |
| Fund return this period | +5.6% | +10.4% |
| State today | At cap | Open |
| Expense ratio | 0.69% | 0.79% |
| Net assets | $28m | $35m |
CPSO in plain words
SPY had already risen past this fund's cap of +5.8% for the period on Sep 19, 2026, so in index terms there is no more upside to collect. The fund's price can fall 5.9% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 12.8% from today's level to the point where the buffer begins. Protection left, in index points: 99.4% of the 99.4% buffer still sits below today's SPY level. 12 days remained on Sep 19, 2026. On Oct 1, 2026 the period ends and a new cap is set.
DDTN in plain words
From its price on Sep 19, 2026, the fund can gain about 2.5% more before it reaches its cap. The fund's price can fall 10.1% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 10.5% 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. 43 days remained on Sep 19, 2026. On Oct 31, 2026 the period ends and a new cap is set.
Questions people ask
- Which resets first, CPSO or DDTN?
- CPSO ends its outcome period on Oct 1, 2026 and DDTN on Oct 31, 2026. A new cap is set the day after each.
- Which is cheaper, CPSO or DDTN?
- CPSO charges 0.69% a year and DDTN charges 0.79%, so CPSO is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, CPSO against DDTN, data as of Sep 19, 2026. https://etfiq.com/compare/buffer/cpso-vs-ddtn Free to use with attribution; the underlying files are at Open data.