STX vs. UCO

Last updated Jun 4, 2026

STX (Seagate Technology plc) is a stock, while UCO (ProShares Ultra Bloomberg Crude Oil) is Leveraged Commodities fund tracking the Dow Jones-UBS Crude Oil Sub-Index (200%). Over the past 10 years, STX returned 50.67%/yr vs -11.31%/yr for UCO. At a 0.21 correlation, their price movements are largely independent.

Performance

STX vs. UCO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Seagate Technology plc (STX) and ProShares Ultra Bloomberg Crude Oil (UCO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, STX achieves a 242.18% return, which is significantly higher than UCO's 149.12% return. Over the past 10 years, STX has outperformed UCO with an annualized return of 50.67%, while UCO has yielded a comparatively lower -11.31% annualized return.

STX

• 1D: 1.52%
• 1M: 27.37%
• YTD: 242.18%
• 6M: 265.25%
• 1Y: 673.20%
• 3Y*: 153.95%
• 5Y*: 61.56%
• 10Y*: 50.67%

UCO

• 1D: 2.71%
• 1M: -4.64%
• YTD: 149.12%
• 6M: 137.09%
• 1Y: 120.48%
• 3Y*: 25.90%
• 5Y*: 22.16%
• 10Y*: -11.31%

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

STX vs. UCO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
STX Seagate Technology plc	242.18%	225.26%	4.06%	69.12%	-51.42%	87.50%	10.14%	62.14%	-2.90%	16.67%
UCO ProShares Ultra Bloomberg Crude Oil	149.12%	-29.75%	5.36%	-13.89%	39.71%	139.26%	-92.91%	53.83%	-43.26%	0.34%

Correlation

The correlation between STX and UCO is -0.13, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.13
Correlation (3Y) Calculated over the trailing 3-year period	-0.00
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (10Y) Calculated over the trailing 10-year period	0.12
Correlation (All Time) Calculated using the full available price history since Nov 26, 2008	0.21

The correlation between STX and UCO shifts across timeframes, from -0.13 (1 year) to 0.21 (all time), reflecting how their relationship changes across market environments.

Return for Risk

STX vs. UCO — Risk / Return Rank

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

STX

STX Risk / Return Rank: 99
STX Sharpe Ratio Rank: 100
STX Sortino Ratio Rank: 99
STX Omega Ratio Rank: 98
STX Calmar Ratio Rank: 100
STX Martin Ratio Rank: 100

UCO

UCO Risk / Return Rank: 54
UCO Sharpe Ratio Rank: 62
UCO Sortino Ratio Rank: 50
UCO Omega Ratio Rank: 50
UCO Calmar Ratio Rank: 69
UCO Martin Ratio Rank: 41

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.

STX vs. UCO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Seagate Technology plc (STX) and ProShares Ultra Bloomberg Crude Oil (UCO). 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.

	STX	UCO	Difference
Sharpe ratio: Return per unit of total volatility	10.84	2.12	+8.71
Sortino ratio: Return per unit of downside risk	6.67	2.46	+4.21
Omega ratio: Gain probability vs. loss probability	1.86	1.32	+0.54
Calmar ratio: Return relative to maximum drawdown	32.36	3.49	+28.88
Martin ratio: Return relative to average drawdown	95.31	6.60	+88.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STX vs. UCO - Sharpe Ratio Comparison

The current STX Sharpe Ratio is 10.84, which is higher than the UCO Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of STX and UCO, 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

	STX	UCO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	10.84	2.12	+8.71
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.39	0.37	+1.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.21	-0.16	+1.37
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	-0.34	+0.88

Drawdowns

STX vs. UCO - Drawdown Comparison

The maximum STX drawdown since its inception was -88.74%, smaller than the maximum UCO drawdown of -99.95%. Use the drawdown chart below to compare losses from any high point for STX and UCO.

Drawdown Indicators

	STX	UCO	Difference
Max Drawdown Largest peak-to-trough decline	-88.74%	-99.95%	+11.21%
Max Drawdown (1Y) Largest decline over 1 year	-21.00%	-34.77%	+13.77%
Max Drawdown (3Y) Largest decline over 3 years	-40.00%	-50.38%	+10.38%
Max Drawdown (5Y) Largest decline over 5 years	-56.99%	-67.24%	+10.25%
Max Drawdown (10Y) Largest decline over 10 years	-56.99%	-98.75%	+41.76%
Current Drawdown Current decline from peak	0.00%	-99.23%	+99.23%
Average Drawdown Average peak-to-trough decline	-26.46%	-85.49%	+59.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.12%	18.33%	-11.21%

Volatility

STX vs. UCO - Volatility Comparison

The current volatility for Seagate Technology plc (STX) is 15.37%, while ProShares Ultra Bloomberg Crude Oil (UCO) has a volatility of 20.83%. This indicates that STX experiences smaller price fluctuations and is considered to be less risky than UCO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STX	UCO	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.37%	20.83%	-5.46%
Volatility (6M) Calculated over the trailing 6-month period	49.09%	46.44%	+2.65%
Volatility (1Y) Calculated over the trailing 1-year period	62.76%	57.11%	+5.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.44%	59.78%	-15.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.08%	71.36%	-29.28%

Dividends

STX vs. UCO - Dividend Comparison

STX's dividend yield for the trailing twelve months is around 0.31%, while UCO has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
STX Seagate Technology plc	0.31%	1.05%	3.27%	3.28%	5.32%	2.40%	4.21%	4.27%	6.53%	6.02%	6.60%	6.14%
UCO ProShares Ultra Bloomberg Crude Oil	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both STX and UCO in my portfolio?

STX and UCO have a correlation of -0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, STX or UCO?

UCO has higher volatility (20.83%) compared to STX (15.37%). In terms of maximum drawdown, STX dropped -88.74% vs UCO's -99.95%.

Which has better risk-adjusted returns?

STX currently has the higher Sharpe Ratio (10.84 vs 2.12), 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.