CMAY vs UMAY: which one stands where?
As of Oct 2, 2026 UMAY can fall 9.3% before its buffer engages and CMAY 6.6%. Corgi U.S. Equities 15% Structured Buffer ETF - May Series and Innovator U.S. Equity Ultra Buffer ETF - May.
CMAY costs 0.49 points a year less; UMAY is 74.4 times larger.
| CMAY | UMAY | |
|---|---|---|
| Expense ratio | 0.30% | 0.79% |
| Net assets | $2m | $136m |
| Total return, 1 year | not published | +8.4% |
| What it tracks | SPY | SPY |
| Holdings in common | not published | |
CMAY: reference +7.1% since period start, fund +4.7%; buffer 0 to −15; cap +11.0%; Between buffer and cap.
UMAY: reference +7.1% since period start, fund +4.4%; buffer −5 to −35; cap +12.5%; Between buffer and cap.
A percentile among the 294 buffer ETFs with a live outcome period. It is a position in a set, not a rating, and neither end of it is a recommendation. All buffer ETFs ranked by it → How it is computed →
Where each one stands today
CMAY resets first, on Apr 30, 2027, 210 days from now; UMAY runs to Apr 30, 2027, 210 days. A fall from here reaches CMAY’s buffer after 6.6% and UMAY’s after 9.3%. 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 | CMAY | UMAY | CMAY | UMAY |
| 3 months | +1.9% | +2.4% | −1.7 pts | −1.2 pts |
| 6 months | not published | +5.4% | not published | −12.6 pts |
| 1 year | not published | +8.4% | not published | −7.9 pts |
| 3 years | not published | +42.0% | not published | −47.3 pts |
CMAY and UMAY over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →
On the same fields
CMAY and UMAY on the same fields, as of Oct 2, 2026. Source: ETFIQ.
CMAY in plain words
The fund's price can fall 6.6% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 6.6% 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 SPY level. 210 days remained on Oct 2, 2026. On Apr 30, 2027 the period ends and a new cap is set.
UMAY in plain words
From its price on Oct 2, 2026, the fund can gain about 7.5% more before it reaches its cap. The fund's price can fall 9.3% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, SPY can fall 11.3% from today's level to the point where the buffer begins. Protection left, in index points: 30.0% of the 30.0% buffer still sits below today's SPY level.
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, CMAY against UMAY, data as of Oct 2, 2026. https://etfiq.com/compare/buffer/cmay-vs-umay
Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.
Cite this page. ETFIQ, CMAY against UMAY, data as of Oct 2, 2026. https://etfiq.com/compare/buffer/cmay-vs-umay Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data.
Other forms
- Plain
- ETFIQ, CMAY against UMAY, data as of Oct 2, 2026. https://etfiq.com/compare/buffer/cmay-vs-umay
- APA
- ETFIQ. (Oct 2, 2026). CMAY against UMAY. Retrieved from https://etfiq.com/compare/buffer/cmay-vs-umay
- Markdown
- [CMAY against UMAY (ETFIQ, Oct 2, 2026)](https://etfiq.com/compare/buffer/cmay-vs-umay)