NHFIX vs. NOSIX

Last updated Jun 4, 2026

NHFIX (Northern High Yield Fixed Income Fund) and NOSIX (Northern Stock Index Fund) are both mutual funds - NHFIX is a High Yield Bonds fund managed by Northern Funds, while NOSIX is a Large Cap Blend Equities fund managed by Northern Funds. Over the past 10 years, NHFIX returned 5.55%/yr vs 15.56%/yr for NOSIX. At a 0.29 correlation, their price movements are largely independent. NHFIX charges 0.60%/yr vs 0.05%/yr for NOSIX.

Performance

NHFIX vs. NOSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Northern High Yield Fixed Income Fund (NHFIX) and Northern Stock Index Fund (NOSIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NHFIX achieves a 1.87% return, which is significantly lower than NOSIX's 11.68% return. Over the past 10 years, NHFIX has underperformed NOSIX with an annualized return of 5.55%, while NOSIX has yielded a comparatively higher 15.56% annualized return.

NHFIX

• 1D: 0.00%
• 1M: 0.64%
• YTD: 1.87%
• 6M: 2.16%
• 1Y: 7.76%
• 3Y*: 9.25%
• 5Y*: 3.67%
• 10Y*: 5.55%

NOSIX

• 1D: 0.13%
• 1M: 5.79%
• YTD: 11.68%
• 6M: 11.72%
• 1Y: 28.94%
• 3Y*: 22.69%
• 5Y*: 14.18%
• 10Y*: 15.56%

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

NHFIX vs. NOSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NHFIX Northern High Yield Fixed Income Fund	1.87%	8.79%	8.03%	13.96%	-13.74%	5.03%	6.04%	16.17%	-3.60%	8.35%
NOSIX Northern Stock Index Fund	11.68%	17.83%	24.87%	26.24%	-18.25%	28.55%	18.33%	31.35%	-4.54%	21.71%

Correlation

The correlation between NHFIX and NOSIX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.51
Correlation (10Y) Calculated over the trailing 10-year period	0.46
Correlation (All Time) Calculated using the full available price history since Jan 4, 1999	0.29

Over the past year, NHFIX and NOSIX have become more correlated (0.58) than their long-term average of 0.29, meaning their price movements have been converging.

Return for Risk

NHFIX vs. NOSIX — Risk / Return Rank

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

NHFIX

NHFIX Risk / Return Rank: 81
NHFIX Sharpe Ratio Rank: 67
NHFIX Sortino Ratio Rank: 86
NHFIX Omega Ratio Rank: 85
NHFIX Calmar Ratio Rank: 83
NHFIX Martin Ratio Rank: 84

NOSIX

NOSIX Risk / Return Rank: 74
NOSIX Sharpe Ratio Rank: 76
NOSIX Sortino Ratio Rank: 69
NOSIX Omega Ratio Rank: 69
NOSIX Calmar Ratio Rank: 74
NOSIX Martin Ratio Rank: 83

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.

NHFIX vs. NOSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Northern High Yield Fixed Income Fund (NHFIX) and Northern Stock Index Fund (NOSIX). 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.

	NHFIX	NOSIX	Difference
Sharpe ratio Return per unit of total volatility	2.39	2.52	-0.13
Sortino ratio Return per unit of downside risk	4.09	3.46	+0.62
Omega ratio Gain probability vs. loss probability	1.57	1.47	+0.11
Calmar ratio Return relative to maximum drawdown	3.85	3.38	+0.46
Martin ratio Return relative to average drawdown	15.88	15.86	+0.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NHFIX vs. NOSIX - Sharpe Ratio Comparison

The current NHFIX Sharpe Ratio is 2.39, which is comparable to the NOSIX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of NHFIX and NOSIX, 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

	NHFIX	NOSIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.39	2.52	-0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	0.83	-0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.94	0.86	+0.08
Sharpe Ratio (All Time) Calculated using the full available price history	1.06	0.50	+0.56

Drawdowns

NHFIX vs. NOSIX - Drawdown Comparison

The maximum NHFIX drawdown since its inception was -27.87%, smaller than the maximum NOSIX drawdown of -55.42%. Use the drawdown chart below to compare losses from any high point for NHFIX and NOSIX.

Drawdown Indicators

	NHFIX	NOSIX	Difference
Max Drawdown Largest peak-to-trough decline	-27.87%	-55.42%	+27.55%
Max Drawdown (1Y) Largest decline over 1 year	-2.10%	-8.89%	+6.79%
Max Drawdown (3Y) Largest decline over 3 years	-4.39%	-18.75%	+14.36%
Max Drawdown (5Y) Largest decline over 5 years	-17.47%	-24.54%	+7.07%
Max Drawdown (10Y) Largest decline over 10 years	-24.72%	-33.82%	+9.10%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-2.78%	-10.33%	+7.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.50%	1.89%	-1.39%

Volatility

NHFIX vs. NOSIX - Volatility Comparison

The current volatility for Northern High Yield Fixed Income Fund (NHFIX) is 1.21%, while Northern Stock Index Fund (NOSIX) has a volatility of 2.82%. This indicates that NHFIX experiences smaller price fluctuations and is considered to be less risky than NOSIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NHFIX	NOSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.21%	2.82%	-1.61%
Volatility (6M) Calculated over the trailing 6-month period	2.59%	8.97%	-6.38%
Volatility (1Y) Calculated over the trailing 1-year period	3.37%	11.95%	-8.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.10%	17.20%	-12.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.95%	18.21%	-12.26%

NHFIX vs. NOSIX - Expense Ratio Comparison

NHFIX has a 0.60% expense ratio, which is higher than NOSIX's 0.05% expense ratio.

Dividends

NHFIX vs. NOSIX - Dividend Comparison

NHFIX's dividend yield for the trailing twelve months is around 7.00%, more than NOSIX's 2.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NHFIX Northern High Yield Fixed Income Fund	7.00%	6.87%	6.67%	6.57%	3.84%	4.92%	5.41%	6.35%	6.85%	6.66%	5.57%	6.19%
NOSIX Northern Stock Index Fund	2.64%	2.94%	2.59%	5.02%	4.72%	3.22%	4.00%	2.41%	4.82%	3.13%	2.76%	3.36%

Frequently Asked Questions

Can I hold both NHFIX and NOSIX in my portfolio?

NHFIX and NOSIX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NHFIX or NOSIX?

NOSIX has higher volatility (2.82%) compared to NHFIX (1.21%). In terms of maximum drawdown, NHFIX dropped -27.87% vs NOSIX's -55.42%.

Which has better risk-adjusted returns?

NOSIX currently has the higher Sharpe Ratio (2.52 vs 2.39), 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.