ZSB vs. KMAY

Last updated Jun 4, 2026

ZSB (USCF Sustainable Battery Metals Strategy Fund) and KMAY (Innovator U.S. Small Cap Power Buffer ETF - May) are both exchange-traded funds - ZSB is a Commodities fund tracking the S&P GSCI Electric Vehicle Meals Index, while KMAY is a Defined Outcome fund actively managed by Innovator. ZSB is passively managed, while KMAY is actively managed. Over the past year, ZSB returned 75.67% vs 15.29% for KMAY. At a 0.12 correlation, their price movements are largely independent. ZSB charges 0.59%/yr vs 0.79%/yr for KMAY.

Performance

ZSB vs. KMAY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in USCF Sustainable Battery Metals Strategy Fund (ZSB) and Innovator U.S. Small Cap Power Buffer ETF - May (KMAY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ZSB achieves a 11.80% return, which is significantly higher than KMAY's 4.86% return.

ZSB

• 1D: -1.94%
• 1M: 1.21%
• YTD: 11.80%
• 6M: 25.71%
• 1Y: 75.67%
• 3Y*: 5.94%
• 5Y*: —
• 10Y*: —

KMAY

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

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

ZSB vs. KMAY - Yearly Performance Comparison

	2026 (YTD)	2025
ZSB USCF Sustainable Battery Metals Strategy Fund	11.80%	58.41%
KMAY Innovator U.S. Small Cap Power Buffer ETF - May	4.86%	13.83%

Correlation

The correlation between ZSB and KMAY is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (All Time) Calculated using the full available price history since May 2, 2025	0.12

Return for Risk

ZSB vs. KMAY — Risk / Return Rank

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

ZSB

ZSB Risk / Return Rank: 80
ZSB Sharpe Ratio Rank: 87
ZSB Sortino Ratio Rank: 73
ZSB Omega Ratio Rank: 86
ZSB Calmar Ratio Rank: 84
ZSB Martin Ratio Rank: 70

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

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.

ZSB vs. KMAY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for USCF Sustainable Battery Metals Strategy Fund (ZSB) and Innovator U.S. Small Cap Power Buffer ETF - May (KMAY). 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.

	ZSB	KMAY	Difference
Sharpe ratio: Return per unit of total volatility	2.88	2.51	+0.37
Sortino ratio: Return per unit of downside risk	3.28	3.83	-0.55
Omega ratio: Gain probability vs. loss probability	1.52	1.51	+0.01
Calmar ratio: Return relative to maximum drawdown	4.54	6.46	-1.92
Martin ratio: Return relative to average drawdown	12.79	27.25	-14.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ZSB vs. KMAY - Sharpe Ratio Comparison

The current ZSB Sharpe Ratio is 2.88, which is comparable to the KMAY Sharpe Ratio of 2.51. The chart below compares the historical Sharpe Ratios of ZSB and KMAY, 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

	ZSB	KMAY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.88	2.51	+0.37
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	2.68	-2.66

Drawdowns

ZSB vs. KMAY - Drawdown Comparison

The maximum ZSB drawdown since its inception was -49.26%, which is greater than KMAY's maximum drawdown of -2.38%. Use the drawdown chart below to compare losses from any high point for ZSB and KMAY.

Drawdown Indicators

	ZSB	KMAY	Difference
Max Drawdown Largest peak-to-trough decline	-49.26%	-2.38%	-46.88%
Max Drawdown (1Y) Largest decline over 1 year	-16.75%	-2.38%	-14.37%
Max Drawdown (3Y) Largest decline over 3 years	-43.22%	—	—
Current Drawdown Current decline from peak	-5.74%	-0.69%	-5.05%
Average Drawdown Average peak-to-trough decline	-30.95%	-0.35%	-30.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.93%	0.56%	+5.37%

Volatility

ZSB vs. KMAY - Volatility Comparison

USCF Sustainable Battery Metals Strategy Fund (ZSB) has a higher volatility of 5.71% compared to Innovator U.S. Small Cap Power Buffer ETF - May (KMAY) at 2.89%. This indicates that ZSB's price experiences larger fluctuations and is considered to be riskier than KMAY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ZSB	KMAY	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.71%	2.89%	+2.82%
Volatility (6M) Calculated over the trailing 6-month period	22.65%	3.99%	+18.66%
Volatility (1Y) Calculated over the trailing 1-year period	26.40%	6.16%	+20.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.62%	6.65%	+12.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.62%	6.65%	+12.97%

ZSB vs. KMAY - Expense Ratio Comparison

ZSB has a 0.59% expense ratio, which is lower than KMAY's 0.79% expense ratio.

Dividends

ZSB vs. KMAY - Dividend Comparison

ZSB's dividend yield for the trailing twelve months is around 0.82%, while KMAY has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
KMAY Innovator U.S. Small Cap Power Buffer ETF - May	0.00%	0.00%	0.00%	0.00%
ZSB USCF Sustainable Battery Metals Strategy Fund	0.82%	0.92%	2.96%	3.59%

Frequently Asked Questions

Can I hold both ZSB and KMAY in my portfolio?

ZSB and KMAY have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ZSB or KMAY?

ZSB has higher volatility (5.71%) compared to KMAY (2.89%). In terms of maximum drawdown, ZSB dropped -49.26% vs KMAY's -2.38%.

Which ETF is better, ZSB or KMAY?

On 1-year performance, ZSB leads with 75.67% vs 15.29% for KMAY. On fees, ZSB is cheaper at 0.59% 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, ZSB or KMAY?

Over the 1-year period, ZSB has performed better with a 75.67% return vs 15.29%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ZSB or KMAY?

ZSB is cheaper with a 0.59% expense ratio, compared with 0.79% for KMAY.

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

ZSB has the higher dividend yield at 0.82%, compared with 0.00% for KMAY.

What is the main difference between ZSB and KMAY?

ZSB is categorized as Commodities, while KMAY is Defined Outcome. They also come from different issuers: USCF and Innovator. Their fees differ too: 0.59% for ZSB and 0.79% for KMAY.

Which has better risk-adjusted returns?

ZSB currently has the higher Sharpe Ratio (2.88 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.