SSL vs. VOO

Last updated Jun 5, 2026

SSL (Sasol Limited) is a stock, while VOO (Vanguard S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, SSL returned -5.33%/yr vs 15.55%/yr for VOO. At a 0.43 correlation, their price movements are largely independent.

Performance

SSL vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sasol Limited (SSL) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SSL achieves a 104.15% return, which is significantly higher than VOO's 11.34% return. Over the past 10 years, SSL has underperformed VOO with an annualized return of -5.33%, while VOO has yielded a comparatively higher 15.55% annualized return.

SSL

• 1D: 0.76%
• 1M: -7.00%
• YTD: 104.15%
• 6M: 116.45%
• 1Y: 184.58%
• 3Y*: 3.70%
• 5Y*: -2.69%
• 10Y*: -5.33%

VOO

• 1D: 0.39%
• 1M: 4.62%
• YTD: 11.34%
• 6M: 11.27%
• 1Y: 28.62%
• 3Y*: 22.68%
• 5Y*: 13.98%
• 10Y*: 15.55%

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

SSL vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSL Sasol Limited	104.15%	42.76%	-53.51%	-32.12%	0.47%	85.10%	-59.00%	-25.15%	-12.02%	22.69%
VOO Vanguard S&P 500 ETF	11.34%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between SSL and VOO is -0.06, 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	-0.06
Correlation (3Y) Calculated over the trailing 3-year period	0.15
Correlation (5Y) Calculated over the trailing 5-year period	0.26
Correlation (10Y) Calculated over the trailing 10-year period	0.36
Correlation (All Time) Calculated using the full available price history since Sep 10, 2010	0.43

The correlation between SSL and VOO shifts across timeframes, from -0.06 (1 year) to 0.43 (all time), reflecting how their relationship changes across market environments.

Return for Risk

SSL vs. VOO — Risk / Return Rank

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

SSL

SSL Risk / Return Rank: 94
SSL Sharpe Ratio Rank: 95
SSL Sortino Ratio Rank: 92
SSL Omega Ratio Rank: 91
SSL Calmar Ratio Rank: 95
SSL Martin Ratio Rank: 95

VOO

VOO Risk / Return Rank: 74
VOO Sharpe Ratio Rank: 76
VOO Sortino Ratio Rank: 75
VOO Omega Ratio Rank: 75
VOO Calmar Ratio Rank: 66
VOO Martin Ratio Rank: 78

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.

SSL vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sasol Limited (SSL) and Vanguard S&P 500 ETF (VOO). 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.

	SSL	VOO	Difference
Sharpe ratio: Return per unit of total volatility	3.14	2.44	+0.71
Sortino ratio: Return per unit of downside risk	3.46	3.31	+0.15
Omega ratio: Gain probability vs. loss probability	1.45	1.44	0.00
Calmar ratio: Return relative to maximum drawdown	7.30	3.23	+4.07
Martin ratio: Return relative to average drawdown	19.99	15.03	+4.95
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SSL vs. VOO - Sharpe Ratio Comparison

The current SSL Sharpe Ratio is 3.14, which is comparable to the VOO Sharpe Ratio of 2.44. The chart below compares the historical Sharpe Ratios of SSL and VOO, 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

	SSL	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.14	2.44	+0.71
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.05	0.84	-0.89
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.09	0.87	-0.95
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.89	-0.73

Drawdowns

SSL vs. VOO - Drawdown Comparison

The maximum SSL drawdown since its inception was -97.43%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for SSL and VOO.

Drawdown Indicators

	SSL	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-97.43%	-33.99%	-63.44%
Max Drawdown (1Y) Largest decline over 1 year	-25.45%	-8.90%	-16.55%
Max Drawdown (3Y) Largest decline over 3 years	-78.96%	-18.69%	-60.27%
Max Drawdown (5Y) Largest decline over 5 years	-87.96%	-24.52%	-63.44%
Max Drawdown (10Y) Largest decline over 10 years	-96.53%	-33.99%	-62.54%
Current Drawdown Current decline from peak	-70.93%	-0.32%	-70.61%
Average Drawdown Average peak-to-trough decline	-33.28%	-3.69%	-29.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.28%	1.91%	+7.37%

Volatility

SSL vs. VOO - Volatility Comparison

Sasol Limited (SSL) has a higher volatility of 13.69% compared to Vanguard S&P 500 ETF (VOO) at 2.78%. This indicates that SSL's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSL	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.69%	2.78%	+10.91%
Volatility (6M) Calculated over the trailing 6-month period	41.71%	8.90%	+32.81%
Volatility (1Y) Calculated over the trailing 1-year period	59.13%	11.80%	+47.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.19%	16.81%	+34.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.20%	18.00%	+43.20%

Dividends

SSL vs. VOO - Dividend Comparison

SSL has not paid dividends to shareholders, while VOO's dividend yield for the trailing twelve months is around 1.02%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSL Sasol Limited	0.00%	0.00%	2.27%	9.25%	5.55%	0.00%	0.00%	1.97%	3.36%	2.15%	2.98%	4.38%
VOO Vanguard S&P 500 ETF	1.02%	1.13%	1.24%	1.46%	1.69%	1.25%	1.54%	1.88%	2.06%	1.78%	2.02%	2.10%

Frequently Asked Questions

Can I hold both SSL and VOO in my portfolio?

SSL and VOO have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSL or VOO?

SSL has higher volatility (13.69%) compared to VOO (2.78%). In terms of maximum drawdown, SSL dropped -97.43% vs VOO's -33.99%.

Which has better risk-adjusted returns?

SSL currently has the higher Sharpe Ratio (3.14 vs 2.44), 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.