KMAR vs. KAPR

Last updated Jun 4, 2026

KMAR (Innovator U.S. Small Cap Power Buffer ETF - March) and KAPR (Innovator Russell 2000 Power Buffer ETF - April) are both Defined Outcome funds from Innovator - KMAR tracks the iShares Russell 2000 ETF (IWM) Price Return while KAPR tracks the Russell 2000 Index. Both are passively managed. Over the past year, KMAR returned 23.24% vs 22.85% for KAPR. Their correlation of 0.93 suggests significant overlap in exposure. Both charge a 0.79% expense ratio.

Performance

KMAR vs. KAPR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Small Cap Power Buffer ETF - March (KMAR) and Innovator Russell 2000 Power Buffer ETF - April (KAPR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KMAR achieves a 9.54% return, which is significantly lower than KAPR's 10.96% return.

KMAR

• 1D: -0.70%
• 1M: 1.55%
• YTD: 9.54%
• 6M: 10.29%
• 1Y: 23.24%
• 3Y*: —
• 5Y*: —
• 10Y*: —

KAPR

• 1D: -0.52%
• 1M: 1.70%
• YTD: 10.96%
• 6M: 11.76%
• 1Y: 22.85%
• 3Y*: 13.04%
• 5Y*: 7.18%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

KMAR vs. KAPR - Yearly Performance Comparison

	2026 (YTD)	2025
KMAR Innovator U.S. Small Cap Power Buffer ETF - March	9.54%	13.62%
KAPR Innovator Russell 2000 Power Buffer ETF - April	10.96%	11.81%

Correlation

The correlation between KMAR and KAPR is 0.92, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.92
Correlation (All Time) Calculated using the full available price history since Mar 4, 2025	0.93

The correlation between KMAR and KAPR has been stable across timeframes, ranging from 0.92 to 0.93 - a consistent structural relationship.

Return for Risk

KMAR vs. KAPR — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

KMAR

KMAR Risk / Return Rank: 83
KMAR Sharpe Ratio Rank: 79
KMAR Sortino Ratio Rank: 84
KMAR Omega Ratio Rank: 80
KMAR Calmar Ratio Rank: 86
KMAR Martin Ratio Rank: 89

KAPR

KAPR Risk / Return Rank: 95
KAPR Sharpe Ratio Rank: 93
KAPR Sortino Ratio Rank: 96
KAPR Omega Ratio Rank: 95
KAPR Calmar Ratio Rank: 96
KAPR Martin Ratio Rank: 97

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

KMAR vs. KAPR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Small Cap Power Buffer ETF - March (KMAR) and Innovator Russell 2000 Power Buffer ETF - April (KAPR). 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.

	KMAR	KAPR	Difference
Sharpe ratio: Return per unit of total volatility	2.52	3.53	-1.01
Sortino ratio: Return per unit of downside risk	3.70	5.56	-1.86
Omega ratio: Gain probability vs. loss probability	1.47	1.74	-0.27
Calmar ratio: Return relative to maximum drawdown	4.77	9.12	-4.35
Martin ratio: Return relative to average drawdown	19.58	43.03	-23.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KMAR vs. KAPR - Sharpe Ratio Comparison

The current KMAR Sharpe Ratio is 2.52, which is comparable to the KAPR Sharpe Ratio of 3.53. The chart below compares the historical Sharpe Ratios of KMAR and KAPR, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	KMAR	KAPR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.52	3.53	-1.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.61	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.59	0.83	+0.76

Drawdowns

KMAR vs. KAPR - Drawdown Comparison

The maximum KMAR drawdown since its inception was -10.06%, smaller than the maximum KAPR drawdown of -16.91%. Use the drawdown chart below to compare losses from any high point for KMAR and KAPR.

Drawdown Indicators

	KMAR	KAPR	Difference
Max Drawdown Largest peak-to-trough decline	-10.06%	-16.91%	+6.85%
Max Drawdown (1Y) Largest decline over 1 year	-4.89%	-2.52%	-2.37%
Max Drawdown (3Y) Largest decline over 3 years	—	-16.84%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-16.91%	—
Current Drawdown Current decline from peak	-0.70%	-0.52%	-0.18%
Average Drawdown Average peak-to-trough decline	-1.09%	-3.92%	+2.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.19%	0.53%	+0.66%

Volatility

KMAR vs. KAPR - Volatility Comparison

Innovator U.S. Small Cap Power Buffer ETF - March (KMAR) has a higher volatility of 2.55% compared to Innovator Russell 2000 Power Buffer ETF - April (KAPR) at 2.30%. This indicates that KMAR's price experiences larger fluctuations and is considered to be riskier than KAPR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KMAR	KAPR	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.55%	2.30%	+0.25%
Volatility (6M) Calculated over the trailing 6-month period	6.32%	4.06%	+2.26%
Volatility (1Y) Calculated over the trailing 1-year period	9.32%	6.54%	+2.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.08%	11.75%	+0.33%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.08%	11.63%	+0.45%

KMAR vs. KAPR - Expense Ratio Comparison

Both KMAR and KAPR have an expense ratio of 0.79%.

Dividends

KMAR vs. KAPR - Dividend Comparison

Neither KMAR nor KAPR has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both KMAR and KAPR in my portfolio?

With a correlation of 0.92, KMAR and KAPR move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, KMAR or KAPR?

KMAR has higher volatility (2.55%) compared to KAPR (2.30%). In terms of maximum drawdown, KMAR dropped -10.06% vs KAPR's -16.91%.

Which ETF is better, KMAR or KAPR?

On 1-year performance, KMAR leads with 23.24% vs 22.85% for KAPR. Both ETFs have the same 0.79% expense ratio. On volatility, KAPR has been the lower-risk option at 2.30%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KMAR or KAPR?

Over the 1-year period, KMAR has performed better with a 23.24% return vs 22.85%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KMAR or KAPR?

KMAR and KAPR have the same expense ratio: 0.79% per year.

Which ETF pays a higher dividend yield, KMAR or KAPR?

KMAR and KAPR have nearly identical dividend yields, around 0.00%.

What is the main difference between KMAR and KAPR?

KMAR tracks iShares Russell 2000 ETF (IWM) Price Return, while KAPR tracks Russell 2000 Index.

Which has better risk-adjusted returns?

KAPR currently has the higher Sharpe Ratio (3.53 vs 2.52), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.