Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) Performance
KMAY total return
Distributions reinvested · as of Oct 23, 2026- YTD
- +4.4% since Dec 31, 2025
- 1 year
- +6.2% total return
- Since first price
- +18.8% since 2025
KMAY trailing returns vs SPY, QQQ, AGG
| Period | KMAY total return | Price only | S&P 500 (SPY) | Nasdaq-100 (QQQ) | U.S. bonds (AGG) |
|---|---|---|---|---|---|
| 1 month | −1.0% | −1.0% | −1.0% | −5.0% | +0.9% |
| 3 months | −2.0% | −2.0% | +3.2% | +1.9% | −0.4% |
| 6 months | +1.3% | +1.3% | +7.8% | +8.4% | −1.5% |
| YTD | +4.4% | +4.4% | +12.3% | +15.1% | −1.0% |
| 1 year | +6.2% | +6.2% | +14.4% | +15.9% | −1.1% |
| Since inceptionMay 1, 2025 | +18.8% | +18.8% | — | — | — |
Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.
Growth of $10,000: KMAY vs SPY
From May 1, 2025: KMAY grew to $11,883, SPY to $13,834.
Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.
KMAY returns by calendar year
2026 is year to date.
KMAY annual returns table
| Year | KMAY | Largest drop | SPY | QQQ | AGG |
|---|---|---|---|---|---|
| 2026YTD | +4.4% | −5.6% | +12.3% | +15.1% | −1.0% |
Largest drop = deepest fall from a high within that calendar year.
Calendar-year return vs largest drop within the year
Most years include a sizable fall at some point even when the year ends higher.
KMAY risk statistics
| Statistic | Since 2025 |
|---|---|
| Annualized return | +11.8% |
| Volatility (annualized) | 4.7% |
| Sharpe ratio | 1.64 |
| Sortino ratio | 2.76 |
| Best month | +2.9% |
| Worst month | −2.7% |
| Best 12 months | +16.9% |
| Worst 12 months | +7.5% |
| Positive months | 81% |
| Beta vs S&P 500 | — |
| Correlation with S&P 500 | — |
From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.
KMAY rolling returns
| Holding period | Periods | Worst | Median | Best | Positive |
|---|---|---|---|---|---|
| 1-year | 6 | +6.3% | +12.9% | +16.9% | 100% |
Every holding period starting at a month-end since 2025. Returns for 3 years and longer are annualized.
KMAY performance overview
Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) returned +6.2% over the past year, with distributions reinvested. Since its first recorded price on May 1, 2025 it has returned +18.8%. Over the same year S&P 500 (SPY) returned +14.4%.
Related: KMAY chart. See the KMAY overview for the latest quote and fund facts.
KMAY performance FAQ
What is the KMAY return over the past year?
KMAY returned +6.2% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 6.2%.
How much would $10,000 invested in KMAY be worth?
$10,000 invested in KMAY at its first recorded close on May 1, 2025 would be worth about $11,883 on October 23, 2026 with distributions reinvested.
How volatile is KMAY?
Over the past history KMAY had an annualized volatility of 4.7% and a Sharpe ratio of 1.64 (excess return over 1–3 month T-bills per unit of risk).