REGL vs. SSO

Last updated Jun 4, 2026

REGL (ProShares S&P MidCap 400 Dividend Aristocrats ETF) and SSO (ProShares Ultra S&P500) are both exchange-traded funds - REGL is a Mid Cap Value Equities fund tracking the S&P MidCap 400 Dividend Aristocrats Index, while SSO is a Leveraged Equities fund tracking the S&P 500. Both are passively managed. Over the past 10 years, REGL returned 9.12%/yr vs 24.21%/yr for SSO. A 0.70 correlation means they provide meaningful diversification when combined. REGL charges 0.40%/yr vs 0.87%/yr for SSO.

Performance

REGL vs. SSO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P MidCap 400 Dividend Aristocrats ETF (REGL) and ProShares Ultra S&P500 (SSO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, REGL achieves a 3.98% return, which is significantly lower than SSO's 19.37% return. Over the past 10 years, REGL has underperformed SSO with an annualized return of 9.12%, while SSO has yielded a comparatively higher 24.21% annualized return.

REGL

• 1D: -0.58%
• 1M: -2.06%
• YTD: 3.98%
• 6M: 4.90%
• 1Y: 9.25%
• 3Y*: 10.42%
• 5Y*: 5.92%
• 10Y*: 9.12%

SSO

• 1D: -1.40%
• 1M: 9.75%
• YTD: 19.37%
• 6M: 18.81%
• 1Y: 52.69%
• 3Y*: 37.56%
• 5Y*: 19.62%
• 10Y*: 24.21%

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

REGL vs. SSO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
REGL ProShares S&P MidCap 400 Dividend Aristocrats ETF	3.98%	6.89%	12.26%	5.41%	-0.62%	20.38%	7.50%	18.79%	-3.25%	10.17%
SSO ProShares Ultra S&P500	19.37%	26.19%	43.48%	46.65%	-38.98%	60.57%	21.54%	63.45%	-14.60%	44.35%

Correlation

The correlation between REGL and SSO is 0.47, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.47
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.67
Correlation (10Y) Calculated over the trailing 10-year period	0.71
Correlation (All Time) Calculated using the full available price history since Feb 6, 2015	0.70

Over the past year, the correlation between REGL and SSO has dropped to 0.47 - well below their long-term average of 0.70, suggesting their price drivers have been diverging.

REGL vs. SSO - Sectors Allocation Comparison

Sectors	REGL	SSO
Financial Services	30.0%	11.8%
Industrials	15.1%	8.3%
Utilities	14.5%	2.4%
Consumer Cyclical	9.6%	10.1%
Basic Materials	9.3%	1.8%
Real Estate	7.8%	1.9%
Healthcare	4.5%	8.5%
Consumer Defensive	3.8%	4.9%
Energy	3.4%	3.5%
Technology	2.0%	35.6%
Communication Services	-	11.2%

Return for Risk

REGL vs. SSO — Risk / Return Rank

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

REGL

REGL Risk / Return Rank: 21
REGL Sharpe Ratio Rank: 20
REGL Sortino Ratio Rank: 21
REGL Omega Ratio Rank: 19
REGL Calmar Ratio Rank: 21
REGL Martin Ratio Rank: 23

SSO

SSO Risk / Return Rank: 62
SSO Sharpe Ratio Rank: 66
SSO Sortino Ratio Rank: 59
SSO Omega Ratio Rank: 60
SSO Calmar Ratio Rank: 58
SSO Martin Ratio Rank: 68

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.

REGL vs. SSO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P MidCap 400 Dividend Aristocrats ETF (REGL) and ProShares Ultra S&P500 (SSO). 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.

	REGL	SSO	Difference
Sharpe ratio: Return per unit of total volatility	0.70	2.25	-1.54
Sortino ratio: Return per unit of downside risk	1.13	2.86	-1.73
Omega ratio: Gain probability vs. loss probability	1.13	1.38	-0.25
Calmar ratio: Return relative to maximum drawdown	0.96	2.91	-1.95
Martin ratio: Return relative to average drawdown	3.07	12.80	-9.73
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

REGL vs. SSO - Sharpe Ratio Comparison

The current REGL Sharpe Ratio is 0.70, which is lower than the SSO Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of REGL and SSO, 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

	REGL	SSO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.70	2.25	-1.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.37	0.59	-0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	0.68	-0.18
Sharpe Ratio (All Time) Calculated using the full available price history	0.52	0.42	+0.11

Drawdowns

REGL vs. SSO - Drawdown Comparison

The maximum REGL drawdown since its inception was -36.37%, smaller than the maximum SSO drawdown of -84.67%. Use the drawdown chart below to compare losses from any high point for REGL and SSO.

Drawdown Indicators

	REGL	SSO	Difference
Max Drawdown Largest peak-to-trough decline	-36.37%	-84.67%	+48.30%
Max Drawdown (1Y) Largest decline over 1 year	-9.67%	-18.17%	+8.50%
Max Drawdown (3Y) Largest decline over 3 years	-16.96%	-35.21%	+18.25%
Max Drawdown (5Y) Largest decline over 5 years	-16.96%	-46.73%	+29.77%
Max Drawdown (10Y) Largest decline over 10 years	-36.37%	-59.34%	+22.97%
Current Drawdown Current decline from peak	-5.82%	-1.40%	-4.42%
Average Drawdown Average peak-to-trough decline	-4.08%	-19.57%	+15.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.02%	4.13%	-1.11%

Volatility

REGL vs. SSO - Volatility Comparison

The current volatility for ProShares S&P MidCap 400 Dividend Aristocrats ETF (REGL) is 3.65%, while ProShares Ultra S&P500 (SSO) has a volatility of 5.66%. This indicates that REGL experiences smaller price fluctuations and is considered to be less risky than SSO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	REGL	SSO	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.65%	5.66%	-2.01%
Volatility (6M) Calculated over the trailing 6-month period	9.23%	17.78%	-8.55%
Volatility (1Y) Calculated over the trailing 1-year period	13.22%	23.60%	-10.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.11%	33.65%	-17.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.33%	35.89%	-17.56%

REGL vs. SSO - Expense Ratio Comparison

REGL has a 0.40% expense ratio, which is lower than SSO's 0.87% expense ratio.

Dividends

REGL vs. SSO - Dividend Comparison

REGL's dividend yield for the trailing twelve months is around 2.24%, more than SSO's 0.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
REGL ProShares S&P MidCap 400 Dividend Aristocrats ETF	2.24%	2.32%	2.28%	2.40%	2.32%	2.50%	2.41%	1.96%	2.09%	1.63%	1.20%	1.66%
SSO ProShares Ultra S&P500	0.62%	0.68%	0.85%	0.18%	0.50%	0.18%	0.20%	0.50%	0.75%	0.39%	0.51%	0.63%

Frequently Asked Questions

Can I hold both REGL and SSO in my portfolio?

REGL and SSO have a correlation of 0.47, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, REGL or SSO?

SSO has higher volatility (5.66%) compared to REGL (3.65%). In terms of maximum drawdown, REGL dropped -36.37% vs SSO's -84.67%.

Which ETF is better, REGL or SSO?

On 10-year performance, SSO leads with 24.21% vs 9.12% for REGL. On fees, REGL is cheaper at 0.40% per year. On volatility, REGL has been the lower-risk option at 3.65%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, REGL or SSO?

Over the 10-year period, SSO has performed better with a 24.21% return vs 9.12%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, REGL or SSO?

REGL is cheaper with a 0.40% expense ratio, compared with 0.87% for SSO.

Which ETF pays a higher dividend yield, REGL or SSO?

REGL has the higher dividend yield at 2.24%, compared with 0.62% for SSO.

What is the main difference between REGL and SSO?

REGL is categorized as Mid Cap Value Equities, while SSO is Leveraged Equities. REGL tracks S&P MidCap 400 Dividend Aristocrats Index, while SSO tracks S&P 500. Their fees differ too: 0.40% for REGL and 0.87% for SSO.

Which has better risk-adjusted returns?

SSO currently has the higher Sharpe Ratio (2.25 vs 0.70), 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.