KMAY vs. JULB
KMAY (Innovator U.S. Small Cap Power Buffer ETF - May) and JULB (Aptus July Buffer ETF) are both Defined Outcome funds. Both are actively managed. A 0.78 correlation means they provide meaningful diversification when combined. KMAY charges 0.79%/yr vs 0.25%/yr for JULB.
Performance
KMAY vs. JULB - Performance Comparison
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Returns By Period
The year-to-date returns for both stocks are quite close, with KMAY having a 6.67% return and JULB slightly lower at 6.38%.
KMAY
- 1D
- -0.23%
- 1M
- 2.08%
- YTD
- 6.67%
- 6M
- 6.44%
- 1Y
- 16.30%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
JULB
- 1D
- -0.37%
- 1M
- 0.61%
- YTD
- 6.38%
- 6M
- 6.05%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
KMAY vs. JULB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
KMAY Innovator U.S. Small Cap Power Buffer ETF - May | 6.67% | 2.14% |
JULB Aptus July Buffer ETF | 6.38% | 2.44% |
Correlation
The correlation between KMAY and JULB is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Oct 14, 2025 | 0.78 |
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Return for Risk
KMAY vs. JULB — Risk / Return Rank
KMAY
JULB
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
KMAY vs. JULB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) and Aptus July Buffer ETF (JULB). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
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 | JULB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.52 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 6.89 | — | — |
| Martin ratioReturn relative to average drawdown | 28.08 | — | — |
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Drawdowns
KMAY vs. JULB - Drawdown Comparison
The maximum KMAY drawdown since its inception was -2.38%, smaller than the maximum JULB drawdown of -5.24%. Use the drawdown chart below to compare losses from any high point for KMAY and JULB.
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Drawdown Indicators
| KMAY | JULB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -2.38% | -5.24% | +2.86% |
Max Drawdown (1Y)Largest decline over 1 year | -2.38% | — | — |
Current DrawdownCurrent decline from peak | -0.23% | -0.43% | +0.20% |
Average DrawdownAverage peak-to-trough decline | -0.36% | -0.83% | +0.47% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.58% | — | — |
Volatility
KMAY vs. JULB - Volatility Comparison
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Volatility by Period
| KMAY | JULB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.11% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 4.85% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 6.56% | 6.84% | -0.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.00% | 6.84% | +0.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.00% | 6.84% | +0.16% |
KMAY vs. JULB - Expense Ratio Comparison
KMAY has a 0.79% expense ratio, which is higher than JULB's 0.25% expense ratio.
Dividends
KMAY vs. JULB - Dividend Comparison
Neither KMAY nor JULB has paid dividends to shareholders.
Frequently Asked Questions
KMAY and JULB have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, JULB is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.
JULB is cheaper with a 0.25% expense ratio, compared with 0.79% for KMAY.
KMAY and JULB have nearly identical dividend yields, around 0.00%.
They also come from different issuers: Innovator and Aptus Capital Advisors. Their fees differ too: 0.79% for KMAY and 0.25% for JULB.
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