- Issuer
- Innovator
- Inception Date
- Apr 30, 2025
- Region
- North America (U.S.)
- Category
- Defined Outcome
- Leveraged
- 1x (No leverage)
- Index Tracked
- No Index (Active)
- Domicile
- United States
- Distribution Policy
- Accumulating
- Asset Class
- Equity
- Asset Class Size
- Small-Cap
- Asset Class Style
- Blend
Share Price Chart
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Performance
KMAY Performance Chart
Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) is up 6.7% since the beginning of the year. KMAY is currently trading at $30 per share.
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Returns By Period
Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) has returned 6.68% so far this year and 16.84% over the past 12 months.
Innovator U.S. Small Cap Power Buffer ETF - May
- 1D
- 1.01%
- 1M
- 2.08%
- YTD
- 6.68%
- 6M
- 6.69%
- 1Y
- 16.84%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 0.00%
- 1M
- -0.71%
- YTD
- 8.39%
- 6M
- 8.57%
- 1Y
- 24.33%
- 3Y*
- 18.94%
- 5Y*
- 12.24%
- 10Y*
- 13.54%
KMAY Monthly Returns History
Based on dividend-adjusted daily data since May 1, 2025, KMAY's average daily return is +0.07%, while the average monthly return is +1.42%. At this rate, an investment would double in approximately 4.1 years.
Historically, 93% of months were positive and 7% were negative. The best month was May 2025 with a return of +3.1%, while the worst month was Mar 2026 at -0.1%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 1 months.
On a daily basis, KMAY closed higher 56% of trading days. The best single day was May 12, 2025 with a return of +1.8%, while the worst single day was Jun 5, 2026 at -1.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.16% | 0.46% | -0.07% | 1.70% | 2.19% | 1.08% | 6.68% | ||||||
| 2025 | 3.05% | 2.75% | 0.88% | 2.91% | 1.23% | 0.77% | 0.80% | 0.98% | 14.13% |
Benchmark Metrics
Innovator U.S. Small Cap Power Buffer ETF - May has an annualized alpha of 6.16%, beta of 0.45, and R2 of 0.65 versus S&P 500 Index. Calculated based on daily prices since May 01, 2025.
- This ETF captured 41.14% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -34.51%) - a profile typical of hedging or uncorrelated assets.
- This ETF generated an annualized alpha of 6.16% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
- Beta of 0.45 indicates this ETF moves significantly less than S&P 500 Index - a genuinely defensive profile with reduced participation in both market rallies and downturns.
- Alpha
- 6.16%
- Beta
- 0.45
- R²
- 0.65
- Upside Capture
- 41.14%
- Downside Capture
- -34.51%
Expense Ratio
KMAY has an expense ratio of 0.79%, placing it in the medium range.
Return for Risk
Risk / Return Rank
KMAY ranks 90 for risk / return — in the top 90% of ETFs on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| KMAY | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.64 | ||
| Sortino ratioReturn per unit of downside risk | +1.24 | ||
| Omega ratioGain probability vs. loss probability | 1.54 | 1.35 | +0.18 |
| Calmar ratioReturn relative to maximum drawdown | 7.11 | 2.66 | +4.45 |
| Martin ratioReturn relative to average drawdown | 28.98 | 11.86 | +17.12 |
Dividends
Dividend History
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Innovator U.S. Small Cap Power Buffer ETF - May. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Innovator U.S. Small Cap Power Buffer ETF - May was 2.38%, occurring on May 19, 2026. Recovery took 4 trading sessions.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2026 pullback2026 | -2.38%May 2026 | 12d | 7d | 19dMay 2026 - May 2026 |
2025 pullback2025 | -2.36%Nov 2025 | 23d | 6d | 29dOct 2025 - Nov 2025 |
2025 pullback2025 | -1.76%Aug 2025 | 8d | 11d | 19dJul 2025 - Aug 2025 |
2026 pullback2026 | -1.73%Jun 2026 | 0s | 7d | 7dJun 2026 - Jun 2026 |
2026 pullback2026 | -1.51%Mar 2026 | 21d | 13d | 1mo 4dFeb 2026 - Apr 2026 |
Drawdown Indicators
| KMAY | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.38% | -56.78% | +54.40% |
Max Drawdown (1Y)Largest decline over 1 year | -2.38% | -9.10% | +6.72% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.90% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.43% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | 0.00% | -2.49% | +2.49% |
Average DrawdownAverage peak-to-trough decline | -0.36% | -10.72% | +10.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.58% | 2.03% | -1.45% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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