OWCIX vs. NAMFX

Last updated Jun 25, 2026

OWCIX (Old Westbury Credit Income Fund) and NAMFX (Virtus Newfleet Multi-Sector Intermediate Bond Fund) are both Multisector Bonds funds. Over the past 5 years, OWCIX returned 0.74%/yr vs 2.41%/yr for NAMFX. A 0.77 correlation means they provide meaningful diversification when combined. OWCIX charges 0.85%/yr vs 1.00%/yr for NAMFX.

Performance

OWCIX vs. NAMFX - Performance Comparison

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

Returns By Period

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

OWCIX

• 1D: 0.00%
• 1M: 1.09%
• YTD: 1.92%
• 6M: 1.66%
• 1Y: 6.26%
• 3Y*: 5.57%
• 5Y*: 0.74%
• 10Y*: —

NAMFX

• 1D: 0.00%
• 1M: 0.77%
• YTD: 1.37%
• 6M: 1.72%
• 1Y: 6.21%
• 3Y*: 6.31%
• 5Y*: 2.41%
• 10Y*: 3.69%

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

OWCIX vs. NAMFX - Yearly Performance Comparison

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

Correlation

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

Return for Risk

OWCIX vs. NAMFX — Risk / Return Rank

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

OWCIX

OWCIX Risk / Return Rank: 43
OWCIX Sharpe Ratio Rank: 40
OWCIX Sortino Ratio Rank: 41
OWCIX Omega Ratio Rank: 40
OWCIX Calmar Ratio Rank: 55
OWCIX Martin Ratio Rank: 40

NAMFX

NAMFX Risk / Return Rank: 67
NAMFX Sharpe Ratio Rank: 65
NAMFX Sortino Ratio Rank: 80
NAMFX Omega Ratio Rank: 76
NAMFX Calmar Ratio Rank: 52
NAMFX Martin Ratio Rank: 62

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.

OWCIX vs. NAMFX - Risk-Adjusted Trends Comparison

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

	OWCIX	NAMFX	Difference
Sharpe ratio: Return per unit of total volatility	1.58	2.07	-0.49
Sortino ratio: Return per unit of downside risk	2.33	3.35	-1.02
Omega ratio: Gain probability vs. loss probability	1.29	1.44	-0.15
Calmar ratio: Return relative to maximum drawdown	2.58	2.52	+0.06
Martin ratio: Return relative to average drawdown	7.65	10.99	-3.34

OWCIX vs. NAMFX - Sharpe Ratio Comparison

The current OWCIX Sharpe Ratio is 1.58, which is comparable to the NAMFX Sharpe Ratio of 2.07. The chart below compares the historical Sharpe Ratios of OWCIX and NAMFX, 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

OWCIX vs. NAMFX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

OWCIX vs. NAMFX - Volatility Comparison

Old Westbury Credit Income Fund (OWCIX) has a higher volatility of 1.30% compared to Virtus Newfleet Multi-Sector Intermediate Bond Fund (NAMFX) at 1.08%. This indicates that OWCIX's price experiences larger fluctuations and is considered to be riskier than NAMFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OWCIX	NAMFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.30%	1.08%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	3.34%	2.53%	+0.81%
Volatility (1Y) Calculated over the trailing 1-year period	4.71%	3.13%	+1.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.18%	3.79%	+2.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.91%	4.00%	+1.91%

OWCIX vs. NAMFX - Expense Ratio Comparison

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

Dividends

OWCIX vs. NAMFX - Dividend Comparison

OWCIX's dividend yield for the trailing twelve months is around 5.23%, which matches NAMFX's 5.27% 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 OWCIX and NAMFX in my portfolio?

OWCIX and NAMFX 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, OWCIX or NAMFX?

OWCIX has higher volatility (1.30%) compared to NAMFX (1.08%). In terms of maximum drawdown, OWCIX dropped -19.92% vs NAMFX's -26.56%.

Which has better risk-adjusted returns?

NAMFX currently has the higher Sharpe Ratio (2.07 vs 1.58), 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.