KMAR vs. FBUF

Last updated Jun 4, 2026

KMAR (Innovator U.S. Small Cap Power Buffer ETF - March) and FBUF (Fidelity Dynamic Buffered Equity ETF) are both Defined Outcome funds. KMAR is passively managed, while FBUF is actively managed. Over the past year, KMAR returned 23.24% vs 19.61% for FBUF. A 0.75 correlation means they provide meaningful diversification when combined. KMAR charges 0.79%/yr vs 0.48%/yr for FBUF.

Performance

KMAR vs. FBUF - 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 Fidelity Dynamic Buffered Equity ETF (FBUF). 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 higher than FBUF's 5.32% return.

KMAR

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

FBUF

• 1D: -0.12%
• 1M: 2.85%
• YTD: 5.32%
• 6M: 6.28%
• 1Y: 19.61%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

KMAR vs. FBUF - Yearly Performance Comparison

	2026 (YTD)	2025
KMAR Innovator U.S. Small Cap Power Buffer ETF - March	9.54%	13.62%
FBUF Fidelity Dynamic Buffered Equity ETF	5.32%	14.96%

Correlation

The correlation between KMAR and FBUF is 0.70, 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	0.70
Correlation (All Time) Calculated using the full available price history since Mar 4, 2025	0.75

The correlation between KMAR and FBUF has been stable across timeframes, ranging from 0.70 to 0.75 - a consistent structural relationship.

Return for Risk

KMAR vs. FBUF — 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

FBUF

FBUF Risk / Return Rank: 79
FBUF Sharpe Ratio Rank: 80
FBUF Sortino Ratio Rank: 79
FBUF Omega Ratio Rank: 86
FBUF Calmar Ratio Rank: 70
FBUF Martin Ratio Rank: 80

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. FBUF - 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 Fidelity Dynamic Buffered Equity ETF (FBUF). 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	FBUF	Difference
Sharpe ratio: Return per unit of total volatility	2.52	2.63	-0.11
Sortino ratio: Return per unit of downside risk	3.70	3.55	+0.15
Omega ratio: Gain probability vs. loss probability	1.47	1.53	-0.06
Calmar ratio: Return relative to maximum drawdown	4.77	3.51	+1.26
Martin ratio: Return relative to average drawdown	19.58	15.68	+3.90
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. FBUF - Sharpe Ratio Comparison

The current KMAR Sharpe Ratio is 2.52, which is comparable to the FBUF Sharpe Ratio of 2.63. The chart below compares the historical Sharpe Ratios of KMAR and FBUF, 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	FBUF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.52	2.63	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	1.59	1.47	+0.12

Drawdowns

KMAR vs. FBUF - Drawdown Comparison

The maximum KMAR drawdown since its inception was -10.06%, smaller than the maximum FBUF drawdown of -11.09%. Use the drawdown chart below to compare losses from any high point for KMAR and FBUF.

Drawdown Indicators

	KMAR	FBUF	Difference
Max Drawdown Largest peak-to-trough decline	-10.06%	-11.09%	+1.03%
Max Drawdown (1Y) Largest decline over 1 year	-4.89%	-5.61%	+0.72%
Current Drawdown Current decline from peak	-0.70%	-0.22%	-0.48%
Average Drawdown Average peak-to-trough decline	-1.09%	-1.38%	+0.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.19%	1.25%	-0.06%

Volatility

KMAR vs. FBUF - Volatility Comparison

Innovator U.S. Small Cap Power Buffer ETF - March (KMAR) has a higher volatility of 2.55% compared to Fidelity Dynamic Buffered Equity ETF (FBUF) at 1.11%. This indicates that KMAR's price experiences larger fluctuations and is considered to be riskier than FBUF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KMAR	FBUF	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.55%	1.11%	+1.44%
Volatility (6M) Calculated over the trailing 6-month period	6.32%	5.37%	+0.95%
Volatility (1Y) Calculated over the trailing 1-year period	9.32%	7.49%	+1.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.08%	9.55%	+2.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.08%	9.55%	+2.53%

KMAR vs. FBUF - Expense Ratio Comparison

KMAR has a 0.79% expense ratio, which is higher than FBUF's 0.48% expense ratio.

Dividends

KMAR vs. FBUF - Dividend Comparison

KMAR has not paid dividends to shareholders, while FBUF's dividend yield for the trailing twelve months is around 0.63%.

Position	TTM	2025	2024
FBUF Fidelity Dynamic Buffered Equity ETF	0.63%	0.64%	0.54%
KMAR Innovator U.S. Small Cap Power Buffer ETF - March	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both KMAR and FBUF in my portfolio?

KMAR and FBUF have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KMAR or FBUF?

KMAR has higher volatility (2.55%) compared to FBUF (1.11%). In terms of maximum drawdown, KMAR dropped -10.06% vs FBUF's -11.09%.

Which ETF is better, KMAR or FBUF?

On 1-year performance, KMAR leads with 23.24% vs 19.61% for FBUF. On fees, FBUF is cheaper at 0.48% per year. On volatility, FBUF has been the lower-risk option at 1.11%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KMAR or FBUF?

Over the 1-year period, KMAR has performed better with a 23.24% return vs 19.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KMAR or FBUF?

FBUF is cheaper with a 0.48% expense ratio, compared with 0.79% for KMAR.

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

FBUF has the higher dividend yield at 0.63%, compared with 0.00% for KMAR.

What is the main difference between KMAR and FBUF?

They also come from different issuers: Innovator and Fidelity. Their fees differ too: 0.79% for KMAR and 0.48% for FBUF.

Which has better risk-adjusted returns?

FBUF currently has the higher Sharpe Ratio (2.63 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.