NAMFX vs. OWCIX

Last updated Jun 24, 2026

NAMFX (Virtus Newfleet Multi-Sector Intermediate Bond Fund) and OWCIX (Old Westbury Credit Income Fund) are both Multisector Bonds funds. Over the past 5 years, NAMFX returned 2.41%/yr vs 0.76%/yr for OWCIX. A 0.77 correlation means they provide meaningful diversification when combined. NAMFX charges 1.00%/yr vs 0.85%/yr for OWCIX.

Performance

NAMFX vs. OWCIX - Performance Comparison

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

Returns By Period

In the year-to-date period, NAMFX achieves a 1.37% return, which is significantly lower than OWCIX's 1.92% return.

NAMFX

• 1D: -0.22%
• 1M: 0.77%
• YTD: 1.37%
• 6M: 1.83%
• 1Y: 6.44%
• 3Y*: 6.31%
• 5Y*: 2.41%
• 10Y*: 3.69%

OWCIX

• 1D: -0.38%
• 1M: 1.09%
• YTD: 1.92%
• 6M: 1.79%
• 1Y: 6.66%
• 3Y*: 5.57%
• 5Y*: 0.76%
• 10Y*: —

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

NAMFX vs. OWCIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
NAMFX Virtus Newfleet Multi-Sector Intermediate Bond Fund	1.37%	7.83%	4.55%	8.35%	-9.55%	0.98%	3.65%
OWCIX Old Westbury Credit Income Fund	1.92%	9.35%	2.32%	6.42%	-16.20%	2.77%	2.78%

Correlation

The correlation between NAMFX and OWCIX is 0.74, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.74
Correlation (3Y) Calculated over the trailing 3-year period	0.79
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (All Time) Calculated using the full available price history since Oct 14, 2020	0.77

The correlation between NAMFX and OWCIX has been stable across timeframes, ranging from 0.74 to 0.79 - a consistent structural relationship.

Return for Risk

NAMFX vs. OWCIX — Risk / Return Rank

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

NAMFX

NAMFX Risk / Return Rank: 66
NAMFX Sharpe Ratio Rank: 63
NAMFX Sortino Ratio Rank: 79
NAMFX Omega Ratio Rank: 76
NAMFX Calmar Ratio Rank: 51
NAMFX Martin Ratio Rank: 61

OWCIX

OWCIX Risk / Return Rank: 41
OWCIX Sharpe Ratio Rank: 38
OWCIX Sortino Ratio Rank: 39
OWCIX Omega Ratio Rank: 38
OWCIX Calmar Ratio Rank: 54
OWCIX Martin Ratio Rank: 39

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. OWCIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Virtus Newfleet Multi-Sector Intermediate Bond Fund (NAMFX) and Old Westbury Credit Income Fund (OWCIX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	NAMFX	OWCIX	Difference
Sharpe ratio: Return per unit of total volatility	2.14	1.65	+0.49
Sortino ratio: Return per unit of downside risk	3.47	2.42	+1.05
Omega ratio: Gain probability vs. loss probability	1.45	1.30	+0.15
Calmar ratio: Return relative to maximum drawdown	2.61	2.69	-0.07
Martin ratio: Return relative to average drawdown	11.40	7.97	+3.44

NAMFX vs. OWCIX - Sharpe Ratio Comparison

The current NAMFX Sharpe Ratio is 2.14, which is comparable to the OWCIX Sharpe Ratio of 1.65. The chart below compares the historical Sharpe Ratios of NAMFX and OWCIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

NAMFX vs. OWCIX - Drawdown Comparison

The maximum NAMFX drawdown since its inception was -26.56%, which is greater than OWCIX's maximum drawdown of -19.92%. Use the drawdown chart below to compare losses from any high point for NAMFX and OWCIX.

Drawdown Indicators

	NAMFX	OWCIX	Difference
Max Drawdown Largest peak-to-trough decline	-26.56%	-19.92%	-6.64%
Max Drawdown (1Y) Largest decline over 1 year	-2.57%	-2.89%	+0.32%
Max Drawdown (3Y) Largest decline over 3 years	-3.66%	-7.32%	+3.66%
Max Drawdown (5Y) Largest decline over 5 years	-13.48%	-19.92%	+6.44%
Max Drawdown (10Y) Largest decline over 10 years	-17.16%	—	—
Current Drawdown Current decline from peak	-0.43%	-0.38%	-0.05%
Average Drawdown Average peak-to-trough decline	-2.53%	-7.55%	+5.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.59%	0.93%	-0.34%

Volatility

NAMFX vs. OWCIX - Volatility Comparison

The current volatility for Virtus Newfleet Multi-Sector Intermediate Bond Fund (NAMFX) is 1.08%, while Old Westbury Credit Income Fund (OWCIX) has a volatility of 1.31%. This indicates that NAMFX experiences smaller price fluctuations and is considered to be less risky than OWCIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NAMFX	OWCIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.08%	1.31%	-0.23%
Volatility (6M) Calculated over the trailing 6-month period	2.53%	3.34%	-0.81%
Volatility (1Y) Calculated over the trailing 1-year period	3.14%	4.72%	-1.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.79%	6.19%	-2.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.01%	5.91%	-1.90%

NAMFX vs. OWCIX - Expense Ratio Comparison

NAMFX has a 1.00% expense ratio, which is higher than OWCIX's 0.85% expense ratio.

Dividends

NAMFX vs. OWCIX - Dividend Comparison

NAMFX's dividend yield for the trailing twelve months is around 5.27%, which matches OWCIX's 5.23% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NAMFX Virtus Newfleet Multi-Sector Intermediate Bond Fund	5.27%	5.51%	5.11%	4.57%	4.49%	2.93%	3.53%	4.10%	4.54%	4.30%	4.23%	4.71%
OWCIX Old Westbury Credit Income Fund	5.23%	7.01%	5.83%	5.44%	5.30%	3.91%	1.06%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both NAMFX and OWCIX in my portfolio?

NAMFX and OWCIX have a correlation of 0.74, 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 OWCIX?

OWCIX has higher volatility (1.31%) compared to NAMFX (1.08%). In terms of maximum drawdown, NAMFX dropped -26.56% vs OWCIX's -19.92%.

Which has better risk-adjusted returns?

NAMFX currently has the higher Sharpe Ratio (2.14 vs 1.65), 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.