NUESX vs. NOSIX

Last updated Jun 4, 2026

NUESX (Northern U.S. Quality ESG Fund) and NOSIX (Northern Stock Index Fund) are both Large Cap Blend Equities funds from Northern Funds. Over the past 5 years, NUESX returned 12.00%/yr vs 14.18%/yr for NOSIX. With a 0.99 correlation, they move nearly in lockstep. NUESX charges 0.39%/yr vs 0.05%/yr for NOSIX.

Performance

NUESX vs. NOSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Northern U.S. Quality ESG Fund (NUESX) 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, NUESX achieves a 8.96% return, which is significantly lower than NOSIX's 11.68% return.

NUESX

• 1D: 0.30%
• 1M: 5.43%
• YTD: 8.96%
• 6M: 9.18%
• 1Y: 25.01%
• 3Y*: 19.74%
• 5Y*: 12.00%
• 10Y*: —

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)

NUESX vs. NOSIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
NUESX Northern U.S. Quality ESG Fund	8.96%	15.33%	20.67%	25.22%	-18.85%	31.26%	20.20%	31.40%	-4.71%
NOSIX Northern Stock Index Fund	11.68%	17.83%	24.87%	26.24%	-18.25%	28.55%	18.33%	31.35%	-4.40%

Correlation

The correlation between NUESX and NOSIX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (All Time) Calculated using the full available price history since Mar 27, 2018	0.99

The correlation between NUESX and NOSIX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

Return for Risk

NUESX vs. NOSIX — Risk / Return Rank

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

NUESX

NUESX Risk / Return Rank: 53
NUESX Sharpe Ratio Rank: 52
NUESX Sortino Ratio Rank: 50
NUESX Omega Ratio Rank: 49
NUESX Calmar Ratio Rank: 53
NUESX Martin Ratio Rank: 63

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.

NUESX vs. NOSIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Northern U.S. Quality ESG Fund (NUESX) 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.

	NUESX	NOSIX	Difference
Sharpe ratio: Return per unit of total volatility	2.12	2.52	-0.40
Sortino ratio: Return per unit of downside risk	2.98	3.46	-0.48
Omega ratio: Gain probability vs. loss probability	1.38	1.47	-0.08
Calmar ratio: Return relative to maximum drawdown	2.80	3.38	-0.58
Martin ratio: Return relative to average drawdown	12.48	15.86	-3.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NUESX vs. NOSIX - Sharpe Ratio Comparison

The current NUESX Sharpe Ratio is 2.12, which is comparable to the NOSIX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of NUESX 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

	NUESX	NOSIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.12	2.52	-0.40
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.69	0.83	-0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.86	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.75	0.50	+0.24

Drawdowns

NUESX vs. NOSIX - Drawdown Comparison

The maximum NUESX drawdown since its inception was -33.33%, smaller than the maximum NOSIX drawdown of -55.42%. Use the drawdown chart below to compare losses from any high point for NUESX and NOSIX.

Drawdown Indicators

	NUESX	NOSIX	Difference
Max Drawdown Largest peak-to-trough decline	-33.33%	-55.42%	+22.09%
Max Drawdown (1Y) Largest decline over 1 year	-9.41%	-8.89%	-0.52%
Max Drawdown (3Y) Largest decline over 3 years	-19.41%	-18.75%	-0.66%
Max Drawdown (5Y) Largest decline over 5 years	-24.96%	-24.54%	-0.42%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.82%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-5.22%	-10.33%	+5.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.09%	1.89%	+0.20%

Volatility

NUESX vs. NOSIX - Volatility Comparison

Northern U.S. Quality ESG Fund (NUESX) and Northern Stock Index Fund (NOSIX) have volatilities of 2.70% and 2.82%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NUESX	NOSIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.70%	2.82%	-0.12%
Volatility (6M) Calculated over the trailing 6-month period	9.32%	8.97%	+0.35%
Volatility (1Y) Calculated over the trailing 1-year period	12.43%	11.95%	+0.48%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.43%	17.20%	+0.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.64%	18.21%	+1.43%

NUESX vs. NOSIX - Expense Ratio Comparison

NUESX has a 0.39% expense ratio, which is higher than NOSIX's 0.05% expense ratio.

Dividends

NUESX vs. NOSIX - Dividend Comparison

NUESX's dividend yield for the trailing twelve months is around 11.68%, more than NOSIX's 2.64% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
NUESX Northern U.S. Quality ESG Fund	11.68%	12.68%	1.50%	1.54%	3.71%	5.97%	1.60%	1.62%	2.44%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both NUESX and NOSIX in my portfolio?

With a correlation of 0.98, NUESX and NOSIX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, NUESX or NOSIX?

NOSIX has higher volatility (2.82%) compared to NUESX (2.70%). In terms of maximum drawdown, NUESX dropped -33.33% vs NOSIX's -55.42%.

Which has better risk-adjusted returns?

NOSIX currently has the higher Sharpe Ratio (2.52 vs 2.12), 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.