KMAY vs. TMAR

Last updated Jun 4, 2026

KMAY (Innovator U.S. Small Cap Power Buffer ETF - May) and TMAR (FT Vest Emerging Markets Buffer ETF - March) are both Defined Outcome funds. KMAY is actively managed, while TMAR is passively managed. Over the past year, KMAY returned 15.29% vs 28.83% for TMAR. A 0.55 correlation means they provide meaningful diversification when combined. KMAY charges 0.79%/yr vs 0.95%/yr for TMAR.

Performance

KMAY vs. TMAR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) and FT Vest Emerging Markets Buffer ETF - March (TMAR). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KMAY achieves a 4.86% return, which is significantly lower than TMAR's 14.45% return.

KMAY

• 1D: -0.66%
• 1M: 1.80%
• YTD: 4.86%
• 6M: 5.68%
• 1Y: 15.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TMAR

• 1D: -0.72%
• 1M: 2.73%
• YTD: 14.45%
• 6M: 15.92%
• 1Y: 28.83%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

KMAY vs. TMAR - Yearly Performance Comparison

	2026 (YTD)	2025
KMAY Innovator U.S. Small Cap Power Buffer ETF - May	4.86%	13.83%
TMAR FT Vest Emerging Markets Buffer ETF - March	14.45%	16.06%

Correlation

The correlation between KMAY and TMAR is 0.59, 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	0.59
Correlation (All Time) Calculated using the full available price history since May 2, 2025	0.55

The correlation between KMAY and TMAR has been stable across timeframes, ranging from 0.55 to 0.59 - a consistent structural relationship.

Return for Risk

KMAY vs. TMAR — Risk / Return Rank

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

KMAY

KMAY Risk / Return Rank: 87
KMAY Sharpe Ratio Rank: 78
KMAY Sortino Ratio Rank: 86
KMAY Omega Ratio Rank: 85
KMAY Calmar Ratio Rank: 93
KMAY Martin Ratio Rank: 94

TMAR

TMAR Risk / Return Rank: 94
TMAR Sharpe Ratio Rank: 90
TMAR Sortino Ratio Rank: 93
TMAR Omega Ratio Rank: 96
TMAR Calmar Ratio Rank: 95
TMAR Martin Ratio Rank: 96

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.

KMAY vs. TMAR - 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 FT Vest Emerging Markets Buffer ETF - March (TMAR). 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.

	KMAY	TMAR	Difference
Sharpe ratio: Return per unit of total volatility	2.51	3.06	-0.55
Sortino ratio: Return per unit of downside risk	3.83	4.63	-0.81
Omega ratio: Gain probability vs. loss probability	1.51	1.77	-0.26
Calmar ratio: Return relative to maximum drawdown	6.46	7.95	-1.49
Martin ratio: Return relative to average drawdown	27.25	38.42	-11.17
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KMAY vs. TMAR - Sharpe Ratio Comparison

The current KMAY Sharpe Ratio is 2.51, which is comparable to the TMAR Sharpe Ratio of 3.06. The chart below compares the historical Sharpe Ratios of KMAY and TMAR, 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

	KMAY	TMAR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.51	3.06	-0.55
Sharpe Ratio (All Time) Calculated using the full available price history	2.68	2.25	+0.42

Drawdowns

KMAY vs. TMAR - Drawdown Comparison

The maximum KMAY drawdown since its inception was -2.38%, smaller than the maximum TMAR drawdown of -9.93%. Use the drawdown chart below to compare losses from any high point for KMAY and TMAR.

Drawdown Indicators

	KMAY	TMAR	Difference
Max Drawdown Largest peak-to-trough decline	-2.38%	-9.93%	+7.55%
Max Drawdown (1Y) Largest decline over 1 year	-2.38%	-3.64%	+1.26%
Current Drawdown Current decline from peak	-0.69%	-0.72%	+0.03%
Average Drawdown Average peak-to-trough decline	-0.35%	-0.66%	+0.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.56%	0.75%	-0.19%

Volatility

KMAY vs. TMAR - Volatility Comparison

The current volatility for Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) is 2.89%, while FT Vest Emerging Markets Buffer ETF - March (TMAR) has a volatility of 4.53%. This indicates that KMAY experiences smaller price fluctuations and is considered to be less risky than TMAR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KMAY	TMAR	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.89%	4.53%	-1.64%
Volatility (6M) Calculated over the trailing 6-month period	3.99%	8.17%	-4.18%
Volatility (1Y) Calculated over the trailing 1-year period	6.16%	9.47%	-3.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.65%	11.42%	-4.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.65%	11.42%	-4.77%

KMAY vs. TMAR - Expense Ratio Comparison

KMAY has a 0.79% expense ratio, which is lower than TMAR's 0.95% expense ratio.

Dividends

KMAY vs. TMAR - Dividend Comparison

Neither KMAY nor TMAR has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both KMAY and TMAR in my portfolio?

KMAY and TMAR have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KMAY or TMAR?

TMAR has higher volatility (4.53%) compared to KMAY (2.89%). In terms of maximum drawdown, KMAY dropped -2.38% vs TMAR's -9.93%.

Which ETF is better, KMAY or TMAR?

On 1-year performance, TMAR leads with 28.83% vs 15.29% for KMAY. On fees, KMAY is cheaper at 0.79% per year. On volatility, KMAY has been the lower-risk option at 2.89%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KMAY or TMAR?

Over the 1-year period, TMAR has performed better with a 28.83% return vs 15.29%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KMAY or TMAR?

KMAY is cheaper with a 0.79% expense ratio, compared with 0.95% for TMAR.

Which ETF pays a higher dividend yield, KMAY or TMAR?

KMAY and TMAR have nearly identical dividend yields, around 0.00%.

What is the main difference between KMAY and TMAR?

They also come from different issuers: Innovator and First Trust. Their fees differ too: 0.79% for KMAY and 0.95% for TMAR.

Which has better risk-adjusted returns?

TMAR currently has the higher Sharpe Ratio (3.06 vs 2.51), 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.