EUO vs. SO

Last updated Jun 9, 2026

EUO (ProShares UltraShort Euro) is Leveraged Currency fund tracking the USD/EUR Exchange Rate (-200%), while SO (The Southern Company) is a stock. Over the past 10 years, EUO returned 2.38%/yr vs 10.45%/yr for SO. At a correlation of -0.13, they often move in opposite directions.

Performance

EUO vs. SO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraShort Euro (EUO) and The Southern Company (SO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EUO achieves a 5.79% return, which is significantly lower than SO's 6.37% return. Over the past 10 years, EUO has underperformed SO with an annualized return of 2.38%, while SO has yielded a comparatively higher 10.45% annualized return.

EUO

• 1D: -0.20%
• 1M: 4.68%
• YTD: 5.79%
• 6M: 4.10%
• 1Y: 2.43%
• 3Y*: 0.08%
• 5Y*: 5.80%
• 10Y*: 2.38%

SO

• 1D: -1.43%
• 1M: 0.26%
• YTD: 6.37%
• 6M: 8.41%
• 1Y: 6.80%
• 3Y*: 12.49%
• 5Y*: 11.53%
• 10Y*: 10.45%

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

EUO vs. SO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
EUO ProShares UltraShort Euro	5.79%	-18.87%	19.79%	-1.02%	13.88%	14.83%	-15.97%	10.51%	14.39%	-21.71%
SO The Southern Company	6.37%	9.47%	21.72%	2.21%	8.24%	16.34%	0.63%	51.65%	-3.75%	2.42%

Correlation

The correlation between EUO and SO 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	-0.11
Correlation (5Y) Calculated over the trailing 5-year period	-0.13
Correlation (10Y) Calculated over the trailing 10-year period	-0.09
Correlation (All Time) Calculated using the full available price history since Nov 25, 2008	-0.13

Return for Risk

EUO vs. SO — Risk / Return Rank

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

EUO

EUO Risk / Return Rank: 12
EUO Sharpe Ratio Rank: 12
EUO Sortino Ratio Rank: 11
EUO Omega Ratio Rank: 11
EUO Calmar Ratio Rank: 13
EUO Martin Ratio Rank: 13

SO

SO Risk / Return Rank: 52
SO Sharpe Ratio Rank: 57
SO Sortino Ratio Rank: 49
SO Omega Ratio Rank: 47
SO Calmar Ratio Rank: 53
SO Martin Ratio Rank: 54

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.

EUO vs. SO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Euro (EUO) and The Southern Company (SO). 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.

	EUO	SO	Difference
Sharpe ratio: Return per unit of total volatility	0.19	0.43	-0.23
Sortino ratio: Return per unit of downside risk	0.36	0.72	-0.36
Omega ratio: Gain probability vs. loss probability	1.04	1.09	-0.04
Calmar ratio: Return relative to maximum drawdown	0.30	0.46	-0.15
Martin ratio: Return relative to average drawdown	0.67	1.07	-0.41
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EUO vs. SO - Sharpe Ratio Comparison

The current EUO Sharpe Ratio is 0.19, which is lower than the SO Sharpe Ratio of 0.43. The chart below compares the historical Sharpe Ratios of EUO and SO, 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

	EUO	SO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.19	0.43	-0.23
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.37	0.62	-0.25
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.16	0.48	-0.32
Sharpe Ratio (All Time) Calculated using the full available price history	0.06	0.62	-0.56

Drawdowns

EUO vs. SO - Drawdown Comparison

The maximum EUO drawdown since its inception was -38.58%, roughly equal to the maximum SO drawdown of -38.43%. Use the drawdown chart below to compare losses from any high point for EUO and SO.

Drawdown Indicators

	EUO	SO	Difference
Max Drawdown Largest peak-to-trough decline	-38.58%	-38.43%	-0.15%
Max Drawdown (1Y) Largest decline over 1 year	-8.05%	-14.99%	+6.94%
Max Drawdown (3Y) Largest decline over 3 years	-24.46%	-14.99%	-9.47%
Max Drawdown (5Y) Largest decline over 5 years	-25.28%	-23.28%	-2.00%
Max Drawdown (10Y) Largest decline over 10 years	-29.61%	-38.43%	+8.82%
Current Drawdown Current decline from peak	-17.46%	-7.14%	-10.32%
Average Drawdown Average peak-to-trough decline	-18.50%	-6.87%	-11.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.71%	6.36%	-2.65%

Volatility

EUO vs. SO - Volatility Comparison

The current volatility for ProShares UltraShort Euro (EUO) is 2.76%, while The Southern Company (SO) has a volatility of 5.69%. This indicates that EUO experiences smaller price fluctuations and is considered to be less risky than SO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EUO	SO	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.76%	5.69%	-2.93%
Volatility (6M) Calculated over the trailing 6-month period	8.81%	13.05%	-4.24%
Volatility (1Y) Calculated over the trailing 1-year period	12.68%	16.07%	-3.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.57%	18.64%	-3.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.88%	21.96%	-7.08%

Dividends

EUO vs. SO - Dividend Comparison

EUO has not paid dividends to shareholders, while SO's dividend yield for the trailing twelve months is around 3.26%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
EUO ProShares UltraShort Euro	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SO The Southern Company	3.26%	3.37%	3.47%	3.96%	3.78%	3.82%	4.13%	3.86%	5.42%	4.78%	4.52%	4.60%

Frequently Asked Questions

Can I hold both EUO and SO in my portfolio?

EUO and SO 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, EUO or SO?

SO has higher volatility (5.69%) compared to EUO (2.76%). In terms of maximum drawdown, EUO dropped -38.58% vs SO's -38.43%.

Which has better risk-adjusted returns?

SO currently has the higher Sharpe Ratio (0.43 vs 0.19), 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.