BAPR vs. KMAR

Last updated Jun 24, 2026

BAPR (Innovator U.S. Equity Buffer ETF - April) and KMAR (Innovator U.S. Small Cap Power Buffer ETF - March) are both Defined Outcome funds from Innovator - BAPR tracks the Cboe S&P 500 Buffer Protect Index April while KMAR tracks the iShares Russell 2000 ETF (IWM) Price Return. Both are passively managed. Over the past year, BAPR returned 18.64% vs 23.93% for KMAR. A 0.79 correlation means they provide meaningful diversification when combined. Both charge a 0.79% expense ratio.

Performance

BAPR vs. KMAR - Performance Comparison

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

Returns By Period

In the year-to-date period, BAPR achieves a 10.04% return, which is significantly lower than KMAR's 11.04% return.

BAPR

• 1D: -0.67%
• 1M: -0.06%
• YTD: 10.04%
• 6M: 10.03%
• 1Y: 18.64%
• 3Y*: 14.48%
• 5Y*: 10.86%
• 10Y*: —

KMAR

• 1D: -0.53%
• 1M: 1.75%
• YTD: 11.04%
• 6M: 10.16%
• 1Y: 23.93%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BAPR vs. KMAR - Yearly Performance Comparison

	2026 (YTD)	2025
BAPR Innovator U.S. Equity Buffer ETF - April	10.04%	6.65%
KMAR Innovator U.S. Small Cap Power Buffer ETF - March	11.04%	11.45%

Correlation

The correlation between BAPR and KMAR is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.76
Correlation (All Time) Calculated using the full available price history since Mar 3, 2025	0.79

The correlation between BAPR and KMAR has been stable across timeframes, ranging from 0.76 to 0.79 - a consistent structural relationship.

Return for Risk

BAPR vs. KMAR — Risk / Return Rank

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

BAPR

BAPR Risk / Return Rank: 96
BAPR Sharpe Ratio Rank: 93
BAPR Sortino Ratio Rank: 96
BAPR Omega Ratio Rank: 96
BAPR Calmar Ratio Rank: 97
BAPR Martin Ratio Rank: 98

KMAR

KMAR Risk / Return Rank: 89
KMAR Sharpe Ratio Rank: 87
KMAR Sortino Ratio Rank: 90
KMAR Omega Ratio Rank: 86
KMAR Calmar Ratio Rank: 89
KMAR Martin Ratio Rank: 92

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.

BAPR vs. KMAR - Risk-Adjusted Trends Comparison

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

	BAPR	KMAR	Difference
Sharpe ratio: Return per unit of total volatility	3.24	2.55	+0.69
Sortino ratio: Return per unit of downside risk	5.31	3.70	+1.61
Omega ratio: Gain probability vs. loss probability	1.76	1.47	+0.29
Calmar ratio: Return relative to maximum drawdown	9.69	4.91	+4.78
Martin ratio: Return relative to average drawdown	47.41	20.10	+27.31

BAPR vs. KMAR - Sharpe Ratio Comparison

The current BAPR Sharpe Ratio is 3.24, which is comparable to the KMAR Sharpe Ratio of 2.55. The chart below compares the historical Sharpe Ratios of BAPR and KMAR, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

BAPR vs. KMAR - Drawdown Comparison

The maximum BAPR drawdown since its inception was -23.91%, which is greater than KMAR's maximum drawdown of -11.32%. Use the drawdown chart below to compare losses from any high point for BAPR and KMAR.

Drawdown Indicators

	BAPR	KMAR	Difference
Max Drawdown Largest peak-to-trough decline	-23.91%	-11.32%	-12.59%
Max Drawdown (1Y) Largest decline over 1 year	-1.93%	-4.89%	+2.96%
Max Drawdown (3Y) Largest decline over 3 years	-15.58%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-15.58%	—	—
Current Drawdown Current decline from peak	-0.93%	-0.53%	-0.40%
Average Drawdown Average peak-to-trough decline	-2.58%	-1.34%	-1.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.39%	1.19%	-0.80%

Volatility

BAPR vs. KMAR - Volatility Comparison

The current volatility for Innovator U.S. Equity Buffer ETF - April (BAPR) is 2.06%, while Innovator U.S. Small Cap Power Buffer ETF - March (KMAR) has a volatility of 3.00%. This indicates that BAPR experiences smaller price fluctuations and is considered to be less risky than KMAR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BAPR	KMAR	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.06%	3.00%	-0.94%
Volatility (6M) Calculated over the trailing 6-month period	4.91%	6.73%	-1.82%
Volatility (1Y) Calculated over the trailing 1-year period	5.79%	9.45%	-3.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.51%	12.16%	-0.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.09%	12.16%	+0.93%

BAPR vs. KMAR - Expense Ratio Comparison

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

Dividends

BAPR vs. KMAR - Dividend Comparison

Neither BAPR nor KMAR has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both BAPR and KMAR in my portfolio?

BAPR and KMAR have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BAPR or KMAR?

KMAR has higher volatility (3.00%) compared to BAPR (2.06%). In terms of maximum drawdown, BAPR dropped -23.91% vs KMAR's -11.32%.

Which ETF is better, BAPR or KMAR?

On 1-year performance, KMAR leads with 23.93% vs 18.64% for BAPR. Both ETFs have the same 0.79% expense ratio. On volatility, BAPR has been the lower-risk option at 2.06%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BAPR or KMAR?

Over the 1-year period, KMAR has performed better with a 23.93% return vs 18.64%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BAPR or KMAR?

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

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

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

What is the main difference between BAPR and KMAR?

BAPR tracks Cboe S&P 500 Buffer Protect Index April, while KMAR tracks iShares Russell 2000 ETF (IWM) Price Return.

Which has better risk-adjusted returns?

BAPR currently has the higher Sharpe Ratio (3.24 vs 2.55), 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.