OILT vs. MMKT

Last updated Jun 4, 2026

OILT (Texas Capital Texas Oil Index ETF) and MMKT (Texas Capital Government Money Market ETF) are both exchange-traded funds - OILT is a Energy Equities fund tracking the Alerian Texas Weighted Oil and Gas Index - Benchmark TR Gross, while MMKT is a Money Market fund actively managed by Texas Capital. OILT is passively managed, while MMKT is actively managed. Over the past year, OILT returned 47.26% vs 3.81% for MMKT. At a 0.04 correlation, their price movements are largely independent. OILT charges 0.35%/yr vs 0.20%/yr for MMKT.

Performance

OILT vs. MMKT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Texas Capital Texas Oil Index ETF (OILT) and Texas Capital Government Money Market ETF (MMKT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OILT achieves a 35.33% return, which is significantly higher than MMKT's 1.44% return.

OILT

• 1D: 1.74%
• 1M: -4.77%
• YTD: 35.33%
• 6M: 29.79%
• 1Y: 47.26%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MMKT

• 1D: 0.01%
• 1M: 0.28%
• YTD: 1.44%
• 6M: 1.76%
• 1Y: 3.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OILT vs. MMKT - Yearly Performance Comparison

	2026 (YTD)	2025	2024
OILT Texas Capital Texas Oil Index ETF	35.33%	-3.30%	0.84%
MMKT Texas Capital Government Money Market ETF	1.44%	4.13%	1.21%

Correlation

The correlation between OILT and MMKT is 0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.01
Correlation (All Time) Calculated using the full available price history since Sep 26, 2024	0.04

Return for Risk

OILT vs. MMKT — Risk / Return Rank

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

OILT

OILT Risk / Return Rank: 51
OILT Sharpe Ratio Rank: 49
OILT Sortino Ratio Rank: 45
OILT Omega Ratio Rank: 42
OILT Calmar Ratio Rank: 70
OILT Martin Ratio Rank: 50

MMKT

MMKT Risk / Return Rank: 100
MMKT Sharpe Ratio Rank: 100
MMKT Sortino Ratio Rank: 100
MMKT Omega Ratio Rank: 100
MMKT Calmar Ratio Rank: 100
MMKT Martin Ratio Rank: 100

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.

OILT vs. MMKT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Texas Capital Texas Oil Index ETF (OILT) and Texas Capital Government Money Market ETF (MMKT). 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.

	OILT	MMKT	Difference
Sharpe ratio: Return per unit of total volatility	1.70	16.49	-14.79
Sortino ratio: Return per unit of downside risk	2.25	62.61	-60.35
Omega ratio: Gain probability vs. loss probability	1.27	15.14	-13.87
Calmar ratio: Return relative to maximum drawdown	3.44	153.44	-150.00
Martin ratio: Return relative to average drawdown	8.37	910.67	-902.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OILT vs. MMKT - Sharpe Ratio Comparison

The current OILT Sharpe Ratio is 1.70, which is lower than the MMKT Sharpe Ratio of 16.49. The chart below compares the historical Sharpe Ratios of OILT and MMKT, 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

	OILT	MMKT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.70	16.49	-14.79
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	17.60	-17.18

Drawdowns

OILT vs. MMKT - Drawdown Comparison

The maximum OILT drawdown since its inception was -35.21%, which is greater than MMKT's maximum drawdown of -0.04%. Use the drawdown chart below to compare losses from any high point for OILT and MMKT.

Drawdown Indicators

	OILT	MMKT	Difference
Max Drawdown Largest peak-to-trough decline	-35.21%	-0.04%	-35.17%
Max Drawdown (1Y) Largest decline over 1 year	-13.79%	-0.02%	-13.77%
Current Drawdown Current decline from peak	-8.67%	0.00%	-8.67%
Average Drawdown Average peak-to-trough decline	-12.93%	-0.00%	-12.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.66%	0.00%	+5.66%

Volatility

OILT vs. MMKT - Volatility Comparison

Texas Capital Texas Oil Index ETF (OILT) has a higher volatility of 9.94% compared to Texas Capital Government Money Market ETF (MMKT) at 0.05%. This indicates that OILT's price experiences larger fluctuations and is considered to be riskier than MMKT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OILT	MMKT	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.94%	0.05%	+9.89%
Volatility (6M) Calculated over the trailing 6-month period	21.13%	0.13%	+21.00%
Volatility (1Y) Calculated over the trailing 1-year period	28.09%	0.23%	+27.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.72%	0.23%	+28.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.72%	0.23%	+28.49%

OILT vs. MMKT - Expense Ratio Comparison

OILT has a 0.35% expense ratio, which is higher than MMKT's 0.20% expense ratio.

Dividends

OILT vs. MMKT - Dividend Comparison

OILT's dividend yield for the trailing twelve months is around 2.43%, less than MMKT's 3.73% yield.

Position	TTM	2025	2024
MMKT Texas Capital Government Money Market ETF	3.73%	3.98%	1.07%
OILT Texas Capital Texas Oil Index ETF	2.43%	3.12%	2.63%

Frequently Asked Questions

Can I hold both OILT and MMKT in my portfolio?

OILT and MMKT have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OILT or MMKT?

OILT has higher volatility (9.94%) compared to MMKT (0.05%). In terms of maximum drawdown, OILT dropped -35.21% vs MMKT's -0.04%.

Which ETF is better, OILT or MMKT?

On 1-year performance, OILT leads with 47.26% vs 3.81% for MMKT. On fees, MMKT is cheaper at 0.20% per year. On volatility, MMKT has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, OILT or MMKT?

Over the 1-year period, OILT has performed better with a 47.26% return vs 3.81%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, OILT or MMKT?

MMKT is cheaper with a 0.20% expense ratio, compared with 0.35% for OILT.

Which ETF pays a higher dividend yield, OILT or MMKT?

MMKT has the higher dividend yield at 3.73%, compared with 2.43% for OILT.

What is the main difference between OILT and MMKT?

OILT is categorized as Energy Equities, while MMKT is Money Market. Their fees differ too: 0.35% for OILT and 0.20% for MMKT.

Which has better risk-adjusted returns?

MMKT currently has the higher Sharpe Ratio (16.49 vs 1.70), 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.