NAMFX vs. SAMBX

Last updated Jun 3, 2026

NAMFX (Virtus Newfleet Multi-Sector Intermediate Bond Fund) and SAMBX (Virtus Seix Floating Rate High Income Fund) are both mutual funds - NAMFX is a Multisector Bonds fund managed by Virtus, while SAMBX is a Bank Loan fund managed by Virtus. Over the past 10 years, NAMFX returned 3.74%/yr vs 4.68%/yr for SAMBX. At a 0.50 correlation, their price movements are largely independent. NAMFX charges 1.00%/yr vs 0.64%/yr for SAMBX.

Performance

NAMFX vs. SAMBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Virtus Newfleet Multi-Sector Intermediate Bond Fund (NAMFX) and Virtus Seix Floating Rate High Income Fund (SAMBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NAMFX achieves a 1.59% return, which is significantly lower than SAMBX's 2.69% return. Over the past 10 years, NAMFX has underperformed SAMBX with an annualized return of 3.74%, while SAMBX has yielded a comparatively higher 4.68% annualized return.

NAMFX

• 1D: -0.11%
• 1M: 0.33%
• YTD: 1.59%
• 6M: 1.94%
• 1Y: 7.38%
• 3Y*: 6.46%
• 5Y*: 2.50%
• 10Y*: 3.74%

SAMBX

• 1D: 0.13%
• 1M: 0.72%
• YTD: 2.69%
• 6M: 3.96%
• 1Y: 7.45%
• 3Y*: 7.65%
• 5Y*: 5.54%
• 10Y*: 4.68%

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

NAMFX vs. SAMBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NAMFX Virtus Newfleet Multi-Sector Intermediate Bond Fund	1.59%	7.83%	4.55%	8.35%	-9.55%	0.98%	5.92%	11.34%	-3.69%	7.20%
SAMBX Virtus Seix Floating Rate High Income Fund	2.69%	5.88%	7.03%	11.21%	-0.86%	4.86%	0.41%	6.66%	0.24%	3.89%

Correlation

The correlation between NAMFX and SAMBX is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.39
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.46
Correlation (All Time) Calculated using the full available price history since Jan 4, 2007	0.50

The correlation between NAMFX and SAMBX shifts across timeframes, from 0.38 (1 year) to 0.50 (all time), reflecting how their relationship changes across market environments.

Return for Risk

NAMFX vs. SAMBX — Risk / Return Rank

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

NAMFX

NAMFX Risk / Return Rank: 72
NAMFX Sharpe Ratio Rank: 66
NAMFX Sortino Ratio Rank: 83
NAMFX Omega Ratio Rank: 79
NAMFX Calmar Ratio Rank: 62
NAMFX Martin Ratio Rank: 69

SAMBX

SAMBX Risk / Return Rank: 97
SAMBX Sharpe Ratio Rank: 92
SAMBX Sortino Ratio Rank: 99
SAMBX Omega Ratio Rank: 98
SAMBX Calmar Ratio Rank: 99
SAMBX Martin Ratio Rank: 98

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.

NAMFX vs. SAMBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus Newfleet Multi-Sector Intermediate Bond Fund (NAMFX) and Virtus Seix Floating Rate High Income Fund (SAMBX). 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.

	NAMFX	SAMBX	Difference
Sharpe ratio Return per unit of total volatility	2.38	3.06	-0.68
Sortino ratio Return per unit of downside risk	3.92	7.87	-3.95
Omega ratio Gain probability vs. loss probability	1.52	2.22	-0.70
Calmar ratio Return relative to maximum drawdown	3.04	10.47	-7.43
Martin ratio Return relative to average drawdown	13.40	33.50	-20.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NAMFX vs. SAMBX - Sharpe Ratio Comparison

The current NAMFX Sharpe Ratio is 2.38, which is comparable to the SAMBX Sharpe Ratio of 3.06. The chart below compares the historical Sharpe Ratios of NAMFX and SAMBX, 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

	NAMFX	SAMBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.38	3.06	-0.68
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	1.89	-1.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.94	1.19	-0.26
Sharpe Ratio (All Time) Calculated using the full available price history	1.41	1.20	+0.21

Drawdowns

NAMFX vs. SAMBX - Drawdown Comparison

The maximum NAMFX drawdown since its inception was -26.56%, which is greater than SAMBX's maximum drawdown of -24.74%. Use the drawdown chart below to compare losses from any high point for NAMFX and SAMBX.

Drawdown Indicators

	NAMFX	SAMBX	Difference
Max Drawdown Largest peak-to-trough decline	-26.56%	-24.74%	-1.82%
Max Drawdown (1Y) Largest decline over 1 year	-2.57%	-0.78%	-1.79%
Max Drawdown (3Y) Largest decline over 3 years	-3.66%	-2.95%	-0.71%
Max Drawdown (5Y) Largest decline over 5 years	-13.48%	-5.66%	-7.82%
Max Drawdown (10Y) Largest decline over 10 years	-17.16%	-20.91%	+3.75%
Current Drawdown Current decline from peak	-0.11%	0.00%	-0.11%
Average Drawdown Average peak-to-trough decline	-2.53%	-1.59%	-0.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.58%	0.24%	+0.34%

Volatility

NAMFX vs. SAMBX - Volatility Comparison

Virtus Newfleet Multi-Sector Intermediate Bond Fund (NAMFX) has a higher volatility of 1.16% compared to Virtus Seix Floating Rate High Income Fund (SAMBX) at 0.66%. This indicates that NAMFX's price experiences larger fluctuations and is considered to be riskier than SAMBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NAMFX	SAMBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.16%	0.66%	+0.50%
Volatility (6M) Calculated over the trailing 6-month period	2.46%	1.87%	+0.59%
Volatility (1Y) Calculated over the trailing 1-year period	3.07%	2.45%	+0.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.78%	2.95%	+0.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.01%	3.94%	+0.07%

NAMFX vs. SAMBX - Expense Ratio Comparison

NAMFX has a 1.00% expense ratio, which is higher than SAMBX's 0.64% expense ratio.

Dividends

NAMFX vs. SAMBX - Dividend Comparison

NAMFX's dividend yield for the trailing twelve months is around 5.26%, less than SAMBX's 7.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NAMFX Virtus Newfleet Multi-Sector Intermediate Bond Fund	5.26%	5.51%	5.11%	4.57%	4.49%	2.93%	3.53%	4.10%	4.54%	4.30%	4.23%	4.71%
SAMBX Virtus Seix Floating Rate High Income Fund	7.42%	7.78%	8.21%	8.21%	5.34%	3.03%	4.03%	5.28%	5.15%	4.28%	4.79%	4.91%

Frequently Asked Questions

Can I hold both NAMFX and SAMBX in my portfolio?

NAMFX and SAMBX have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NAMFX or SAMBX?

NAMFX has higher volatility (1.16%) compared to SAMBX (0.66%). In terms of maximum drawdown, NAMFX dropped -26.56% vs SAMBX's -24.74%.

Which has better risk-adjusted returns?

SAMBX currently has the higher Sharpe Ratio (3.06 vs 2.38), 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.