USO vs. USIO

Last updated Jun 6, 2026

USO (United States Oil Fund LP) is Oil & Gas fund tracking the Front Month Light Sweet Crude Oil, while USIO (Usio, Inc.) is a stock. Over the past 10 years, USO returned 3.13%/yr vs -1.00%/yr for USIO. At a 0.02 correlation, their price movements are largely independent.

Performance

USO vs. USIO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in United States Oil Fund LP (USO) and Usio, Inc. (USIO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, USO achieves a 92.34% return, which is significantly higher than USIO's 11.03% return. Over the past 10 years, USO has outperformed USIO with an annualized return of 3.13%, while USIO has yielded a comparatively lower -1.00% annualized return.

USO

• 1D: -2.72%
• 1M: -0.69%
• YTD: 92.34%
• 6M: 84.96%
• 1Y: 90.22%
• 3Y*: 27.76%
• 5Y*: 22.99%
• 10Y*: 3.13%

USIO

• 1D: -2.58%
• 1M: 11.85%
• YTD: 11.03%
• 6M: 7.09%
• 1Y: 8.63%
• 3Y*: -9.84%
• 5Y*: -25.52%
• 10Y*: -1.00%

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

USO vs. USIO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
USO United States Oil Fund LP	92.34%	-8.46%	13.35%	-4.94%	28.97%	64.68%	-67.79%	32.61%	-19.57%	2.47%
USIO Usio, Inc.	11.03%	-6.85%	-15.12%	4.24%	-62.16%	63.30%	71.15%	-6.02%	-34.39%	36.76%

Correlation

The correlation between USO and USIO is -0.05, 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	-0.05
Correlation (3Y) Calculated over the trailing 3-year period	0.03
Correlation (5Y) Calculated over the trailing 5-year period	0.01
Correlation (10Y) Calculated over the trailing 10-year period	0.02
Correlation (All Time) Calculated using the full available price history since Apr 11, 2006	0.02

Return for Risk

USO vs. USIO — Risk / Return Rank

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

USO

USO Risk / Return Rank: 63
USO Sharpe Ratio Rank: 62
USO Sortino Ratio Rank: 58
USO Omega Ratio Rank: 58
USO Calmar Ratio Rank: 84
USO Martin Ratio Rank: 51

USIO

USIO Risk / Return Rank: 46
USIO Sharpe Ratio Rank: 48
USIO Sortino Ratio Rank: 46
USIO Omega Ratio Rank: 46
USIO Calmar Ratio Rank: 47
USIO Martin Ratio Rank: 46

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.

USO vs. USIO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for United States Oil Fund LP (USO) and Usio, Inc. (USIO). 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.

	USO	USIO	Difference
Sharpe ratio: Return per unit of total volatility	2.04	0.17	+1.87
Sortino ratio: Return per unit of downside risk	2.66	0.65	+2.01
Omega ratio: Gain probability vs. loss probability	1.35	1.08	+0.27
Calmar ratio: Return relative to maximum drawdown	4.45	0.19	+4.25
Martin ratio: Return relative to average drawdown	8.33	0.34	+7.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

USO vs. USIO - Sharpe Ratio Comparison

The current USO Sharpe Ratio is 2.04, which is higher than the USIO Sharpe Ratio of 0.17. The chart below compares the historical Sharpe Ratios of USO and USIO, 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

	USO	USIO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.04	0.17	+1.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.64	-0.38	+1.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.08	-0.01	+0.09
Sharpe Ratio (All Time) Calculated using the full available price history	-0.18	-0.08	-0.10

Drawdowns

USO vs. USIO - Drawdown Comparison

The maximum USO drawdown since its inception was -98.19%, roughly equal to the maximum USIO drawdown of -99.72%. Use the drawdown chart below to compare losses from any high point for USO and USIO.

Drawdown Indicators

	USO	USIO	Difference
Max Drawdown Largest peak-to-trough decline	-98.19%	-99.72%	+1.53%
Max Drawdown (1Y) Largest decline over 1 year	-20.39%	-44.59%	+24.20%
Max Drawdown (3Y) Largest decline over 3 years	-26.05%	-59.46%	+33.41%
Max Drawdown (5Y) Largest decline over 5 years	-36.23%	-87.29%	+51.06%
Max Drawdown (10Y) Largest decline over 10 years	-86.75%	-87.29%	+0.54%
Current Drawdown Current decline from peak	-85.85%	-98.13%	+12.28%
Average Drawdown Average peak-to-trough decline	-75.30%	-95.47%	+20.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.87%	25.44%	-14.57%

Volatility

USO vs. USIO - Volatility Comparison

The current volatility for United States Oil Fund LP (USO) is 13.30%, while Usio, Inc. (USIO) has a volatility of 24.68%. This indicates that USO experiences smaller price fluctuations and is considered to be less risky than USIO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	USO	USIO	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.30%	24.68%	-11.38%
Volatility (6M) Calculated over the trailing 6-month period	38.49%	35.71%	+2.78%
Volatility (1Y) Calculated over the trailing 1-year period	44.41%	51.23%	-6.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.09%	67.79%	-31.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.01%	86.38%	-47.37%

Dividends

USO vs. USIO - Dividend Comparison

Neither USO nor USIO has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both USO and USIO in my portfolio?

USO and USIO have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, USO or USIO?

USIO has higher volatility (24.68%) compared to USO (13.30%). In terms of maximum drawdown, USO dropped -98.19% vs USIO's -99.72%.

Which has better risk-adjusted returns?

USO currently has the higher Sharpe Ratio (2.04 vs 0.17), 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.