XDEC vs. SSO

Last updated Jun 3, 2026

XDEC (FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December) and SSO (ProShares Ultra S&P500) are both exchange-traded funds - XDEC is a Defined Outcome fund tracking the SPDR S&P 500 ETF Trust - Benchmark TR Gross, while SSO is a Leveraged Equities fund tracking the S&P 500. Both are passively managed. Over the past 3 years, XDEC returned 10.08%/yr vs 38.21%/yr for SSO. Their correlation of 0.90 suggests significant overlap in exposure. XDEC charges 0.85%/yr vs 0.87%/yr for SSO.

Performance

XDEC vs. SSO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December (XDEC) 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, XDEC achieves a 4.61% return, which is significantly lower than SSO's 21.07% return.

XDEC

• 1D: 0.09%
• 1M: 1.58%
• YTD: 4.61%
• 6M: 5.27%
• 1Y: 12.74%
• 3Y*: 10.08%
• 5Y*: —
• 10Y*: —

SSO

• 1D: 0.27%
• 1M: 10.52%
• YTD: 21.07%
• 6M: 21.28%
• 1Y: 56.67%
• 3Y*: 38.21%
• 5Y*: 20.39%
• 10Y*: 24.38%

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

XDEC vs. SSO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
XDEC FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December	4.61%	9.71%	9.61%	14.37%	-3.38%	1.88%
SSO ProShares Ultra S&P500	21.07%	26.19%	43.48%	46.65%	-38.98%	8.82%

Correlation

The correlation between XDEC and SSO is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (All Time) Calculated using the full available price history since Dec 21, 2021	0.90

The correlation between XDEC and SSO has been stable across timeframes, ranging from 0.85 to 0.90 - a consistent structural relationship.

XDEC vs. SSO - Sectors Allocation Comparison

Sectors	XDEC	SSO
Technology	36.2%	35.6%
Financial Services	11.9%	11.8%
Communication Services	10.9%	11.2%
Consumer Cyclical	10.1%	10.1%
Healthcare	8.4%	8.5%
Industrials	8.1%	8.3%
Consumer Defensive	4.9%	4.9%
Energy	3.5%	3.5%
Utilities	2.3%	2.4%
Real Estate	1.9%	1.9%
Basic Materials	1.8%	1.8%

Return for Risk

XDEC vs. SSO — Risk / Return Rank

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

XDEC

XDEC Risk / Return Rank: 82
XDEC Sharpe Ratio Rank: 81
XDEC Sortino Ratio Rank: 87
XDEC Omega Ratio Rank: 91
XDEC Calmar Ratio Rank: 65
XDEC Martin Ratio Rank: 87

SSO

SSO Risk / Return Rank: 68
SSO Sharpe Ratio Rank: 73
SSO Sortino Ratio Rank: 65
SSO Omega Ratio Rank: 66
SSO Calmar Ratio Rank: 64
SSO Martin Ratio Rank: 73

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.

XDEC vs. SSO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December (XDEC) 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.

	XDEC	SSO	Difference
Sharpe ratio Return per unit of total volatility	2.69	2.42	+0.27
Sortino ratio Return per unit of downside risk	4.06	3.03	+1.03
Omega ratio Gain probability vs. loss probability	1.60	1.40	+0.20
Calmar ratio Return relative to maximum drawdown	3.30	3.21	+0.08
Martin ratio Return relative to average drawdown	19.15	14.14	+5.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XDEC vs. SSO - Sharpe Ratio Comparison

The current XDEC Sharpe Ratio is 2.69, which is comparable to the SSO Sharpe Ratio of 2.42. The chart below compares the historical Sharpe Ratios of XDEC 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

	XDEC	SSO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.69	2.42	+0.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.61	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.68	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.97	0.42	+0.55

Drawdowns

XDEC vs. SSO - Drawdown Comparison

The maximum XDEC drawdown since its inception was -11.75%, smaller than the maximum SSO drawdown of -84.67%. Use the drawdown chart below to compare losses from any high point for XDEC and SSO.

Drawdown Indicators

	XDEC	SSO	Difference
Max Drawdown Largest peak-to-trough decline	-11.75%	-84.67%	+72.92%
Max Drawdown (1Y) Largest decline over 1 year	-3.91%	-18.17%	+14.26%
Max Drawdown (3Y) Largest decline over 3 years	-10.08%	-35.21%	+25.13%
Max Drawdown (5Y) Largest decline over 5 years	—	-46.73%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-59.34%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-1.65%	-19.57%	+17.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.67%	4.13%	-3.46%

Volatility

XDEC vs. SSO - Volatility Comparison

The current volatility for FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December (XDEC) is 0.73%, while ProShares Ultra S&P500 (SSO) has a volatility of 5.46%. This indicates that XDEC 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

	XDEC	SSO	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.73%	5.46%	-4.73%
Volatility (6M) Calculated over the trailing 6-month period	4.11%	17.74%	-13.63%
Volatility (1Y) Calculated over the trailing 1-year period	4.76%	23.57%	-18.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.48%	33.65%	-25.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.48%	35.90%	-27.42%

XDEC vs. SSO - Expense Ratio Comparison

XDEC has a 0.85% expense ratio, which is lower than SSO's 0.87% expense ratio.

Dividends

XDEC vs. SSO - Dividend Comparison

XDEC has not paid dividends to shareholders, while SSO's dividend yield for the trailing twelve months is around 0.61%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSO ProShares Ultra S&P500	0.61%	0.68%	0.85%	0.18%	0.50%	0.18%	0.20%	0.50%	0.75%	0.39%	0.51%	0.63%
XDEC FT Cboe Vest U.S. Equity Enhance & Moderate Buffer ETF - December	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 XDEC and SSO in my portfolio?

XDEC and SSO have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, XDEC or SSO?

SSO has higher volatility (5.46%) compared to XDEC (0.73%). In terms of maximum drawdown, XDEC dropped -11.75% vs SSO's -84.67%.

Which ETF is better, XDEC or SSO?

On 3-year performance, SSO leads with 38.21% vs 10.08% for XDEC. On fees, XDEC is cheaper at 0.85% per year. On volatility, XDEC has been the lower-risk option at 0.73%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, XDEC or SSO?

Over the 3-year period, SSO has performed better with a 38.21% return vs 10.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, XDEC or SSO?

XDEC is cheaper with a 0.85% expense ratio, compared with 0.87% for SSO.

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

SSO has the higher dividend yield at 0.61%, compared with 0.00% for XDEC.

What is the main difference between XDEC and SSO?

XDEC is categorized as Defined Outcome, while SSO is Leveraged Equities. XDEC tracks SPDR S&P 500 ETF Trust - Benchmark TR Gross, while SSO tracks S&P 500. They also come from different issuers: FT Vest and ProShares. Their fees differ too: 0.85% for XDEC and 0.87% for SSO.

Which has better risk-adjusted returns?

XDEC currently has the higher Sharpe Ratio (2.69 vs 2.42), 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.