SFLTX vs. VOO

Last updated Jun 3, 2026

SFLTX (Virtus Seix High Grade Municipal Bond Fund) and VOO (Vanguard S&P 500 ETF) are both funds - SFLTX is a Municipal Bonds fund managed by Virtus, while VOO is a S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, SFLTX returned 1.80%/yr vs 15.65%/yr for VOO. At a correlation of -0.08, they often move in opposite directions. SFLTX charges 0.74%/yr vs 0.03%/yr for VOO.

Performance

SFLTX vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus Seix High Grade Municipal Bond Fund (SFLTX) 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, SFLTX achieves a 1.13% return, which is significantly lower than VOO's 11.69% return. Over the past 10 years, SFLTX has underperformed VOO with an annualized return of 1.80%, while VOO has yielded a comparatively higher 15.65% annualized return.

SFLTX

• 1D: 0.00%
• 1M: 0.25%
• YTD: 1.13%
• 6M: 1.59%
• 1Y: 6.63%
• 3Y*: 2.59%
• 5Y*: 0.23%
• 10Y*: 1.80%

VOO

• 1D: 0.14%
• 1M: 5.39%
• YTD: 11.69%
• 6M: 12.11%
• 1Y: 29.68%
• 3Y*: 22.73%
• 5Y*: 14.26%
• 10Y*: 15.65%

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

SFLTX vs. VOO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SFLTX Virtus Seix High Grade Municipal Bond Fund	1.13%	3.51%	-0.51%	6.29%	-8.67%	0.05%	6.67%	7.55%	0.22%	5.40%
VOO Vanguard S&P 500 ETF	11.69%	17.82%	24.98%	26.32%	-18.17%	28.79%	18.32%	31.37%	-4.50%	21.77%

Correlation

The correlation between SFLTX and VOO is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.16
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (10Y) Calculated over the trailing 10-year period	0.02
Correlation (All Time) Calculated using the full available price history since Sep 10, 2010	-0.08

The correlation between SFLTX and VOO shifts across timeframes, from -0.08 (all time) to 0.16 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

SFLTX vs. VOO — Risk / Return Rank

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

SFLTX

SFLTX Risk / Return Rank: 56
SFLTX Sharpe Ratio Rank: 69
SFLTX Sortino Ratio Rank: 73
SFLTX Omega Ratio Rank: 85
SFLTX Calmar Ratio Rank: 28
SFLTX Martin Ratio Rank: 28

VOO

VOO Risk / Return Rank: 75
VOO Sharpe Ratio Rank: 77
VOO Sortino Ratio Rank: 75
VOO Omega Ratio Rank: 76
VOO Calmar Ratio Rank: 68
VOO Martin Ratio Rank: 80

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.

SFLTX vs. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus Seix High Grade Municipal Bond Fund (SFLTX) 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.

	SFLTX	VOO	Difference
Sharpe ratio Return per unit of total volatility	2.42	2.53	-0.11
Sortino ratio Return per unit of downside risk	3.56	3.43	+0.13
Omega ratio Gain probability vs. loss probability	1.58	1.46	+0.12
Calmar ratio Return relative to maximum drawdown	2.01	3.42	-1.41
Martin ratio Return relative to average drawdown	6.74	15.95	-9.21
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SFLTX vs. VOO - Sharpe Ratio Comparison

The current SFLTX Sharpe Ratio is 2.42, which is comparable to the VOO Sharpe Ratio of 2.53. The chart below compares the historical Sharpe Ratios of SFLTX 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

	SFLTX	VOO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.42	2.53	-0.11
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.06	0.85	-0.79
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.47	0.87	-0.40
Sharpe Ratio (All Time) Calculated using the full available price history	1.20	0.89	+0.31

Drawdowns

SFLTX vs. VOO - Drawdown Comparison

The maximum SFLTX drawdown since its inception was -13.50%, smaller than the maximum VOO drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for SFLTX and VOO.

Drawdown Indicators

	SFLTX	VOO	Difference
Max Drawdown Largest peak-to-trough decline	-13.50%	-33.99%	+20.49%
Max Drawdown (1Y) Largest decline over 1 year	-3.29%	-8.90%	+5.61%
Max Drawdown (3Y) Largest decline over 3 years	-5.67%	-18.69%	+13.02%
Max Drawdown (5Y) Largest decline over 5 years	-13.50%	-24.52%	+11.02%
Max Drawdown (10Y) Largest decline over 10 years	-13.50%	-33.99%	+20.49%
Current Drawdown Current decline from peak	-1.22%	0.00%	-1.22%
Average Drawdown Average peak-to-trough decline	-1.96%	-3.69%	+1.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	1.91%	-0.93%

Volatility

SFLTX vs. VOO - Volatility Comparison

The current volatility for Virtus Seix High Grade Municipal Bond Fund (SFLTX) is 1.02%, while Vanguard S&P 500 ETF (VOO) has a volatility of 2.74%. This indicates that SFLTX experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SFLTX	VOO	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.02%	2.74%	-1.72%
Volatility (6M) Calculated over the trailing 6-month period	2.10%	8.88%	-6.78%
Volatility (1Y) Calculated over the trailing 1-year period	2.68%	11.78%	-9.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.64%	16.81%	-13.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.82%	18.01%	-14.19%

SFLTX vs. VOO - Expense Ratio Comparison

SFLTX has a 0.74% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

SFLTX vs. VOO - Dividend Comparison

SFLTX's dividend yield for the trailing twelve months is around 2.99%, more than VOO's 1.02% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SFLTX Virtus Seix High Grade Municipal Bond Fund	2.99%	2.94%	2.28%	2.34%	2.05%	2.02%	3.45%	3.66%	2.93%	2.43%	5.99%	3.10%
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 SFLTX and VOO in my portfolio?

SFLTX and VOO have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SFLTX or VOO?

VOO has higher volatility (2.74%) compared to SFLTX (1.02%). In terms of maximum drawdown, SFLTX dropped -13.50% vs VOO's -33.99%.

Which has better risk-adjusted returns?

VOO currently has the higher Sharpe Ratio (2.53 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.