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Northern Stock Index Fund (NOSIX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US6651627720
CUSIP
665162772
Inception Date
Oct 7, 1996
Min. Investment
$2,500
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Large-Cap
Asset Class Style
Blend

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in Northern Stock Index Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

Northern Stock Index Fund (NOSIX) has returned -7.06% so far this year and 14.42% over the past 12 months. Looking at the last ten years, NOSIX has achieved an annualized return of 13.65%, outperforming the S&P 500 Index benchmark, which averaged 12.16% per year.


Northern Stock Index Fund

1D
-0.39%
1M
-7.68%
YTD
-7.06%
6M
-4.59%
1Y
14.42%
3Y*
17.12%
5Y*
11.31%
10Y*
13.65%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Oct 7, 1996, NOSIX's average daily return is +0.04%, while the average monthly return is +0.85%. At this rate, your investment would double in approximately 6.8 years.

Historically, 65% of months were positive and 35% were negative. The best month was Apr 2020 with a return of +12.8%, while the worst month was Oct 2008 at -16.8%. The longest winning streak lasted 15 consecutive months, and the longest losing streak was 5 months.

On a daily basis, NOSIX closed higher 53% of trading days. The best single day was Jan 24, 1997 with a return of +21.8%, while the worst single day was Jan 27, 1997 at -19.3%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20261.45%-0.77%-7.68%-7.06%
20252.77%-1.31%-5.64%-0.69%6.29%5.09%2.61%1.64%3.66%2.33%0.25%0.07%17.83%
20241.67%5.34%3.20%-4.09%4.94%3.59%1.21%2.43%2.12%-0.91%5.87%-2.44%24.87%
20236.25%-2.44%3.67%1.56%0.43%6.61%3.19%-1.58%-4.78%-2.08%9.12%4.57%26.24%
2022-5.19%-2.99%3.69%-8.72%0.15%-8.25%9.21%-4.08%-9.21%8.10%5.56%-5.83%-18.25%
2021-1.02%2.77%4.36%5.33%0.68%2.31%2.37%3.03%-4.66%7.01%-0.72%4.46%28.55%

Benchmark Metrics

Northern Stock Index Fund has an annualized alpha of 2.14%, beta of 0.96, and R² of 0.84 versus S&P 500 Index. Calculated based on daily prices since October 08, 1996.

  • This fund captured 104.95% of S&P 500 Index gains but only 97.59% of its losses — a favorable profile for investors.
  • This fund generated an annualized alpha of 2.14% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.
  • With beta of 0.96 and R² of 0.84, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.

Alpha
2.14%
Beta
0.96
0.84
Upside Capture
104.95%
Downside Capture
97.59%

Expense Ratio

NOSIX has an expense ratio of 0.05%, which is considered low.


Return for Risk

Risk / Return Rank

NOSIX ranks 37 for risk / return — below 37% of mutual funds on our site. The returns aren't fully compensating for the risk involved. This isn't necessarily a dealbreaker, but factor it into your decision — especially if you're risk-averse.


NOSIX Risk / Return Rank: 3737
Overall Rank
NOSIX Sharpe Ratio Rank: 3333
Sharpe Ratio Rank
NOSIX Sortino Ratio Rank: 3939
Sortino Ratio Rank
NOSIX Omega Ratio Rank: 4343
Omega Ratio Rank
NOSIX Calmar Ratio Rank: 3030
Calmar Ratio Rank
NOSIX Martin Ratio Rank: 3939
Martin Ratio Rank
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for Northern Stock Index Fund (NOSIX) and compare them to a chosen benchmark (S&P 500 Index).


NOSIXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.79

0.90

-0.10

Sortino ratio

Return per unit of downside risk

1.28

1.39

-0.10

Omega ratio

Gain probability vs. loss probability

1.20

1.21

-0.02

Calmar ratio

Return relative to maximum drawdown

0.88

1.40

-0.52

Martin ratio

Return relative to average drawdown

4.18

6.61

-2.42

Explore NOSIX risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

Northern Stock Index Fund provided a 3.17% dividend yield over the last twelve months, with an annual payout of $2.00 per share.


2.50%3.00%3.50%4.00%4.50%5.00%$0.00$0.50$1.00$1.50$2.00$2.5020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$2.00$2.01$1.54$2.46$1.93$1.68$1.68$0.90$1.39$0.99$0.74$0.83

Dividend yield

3.17%2.94%2.59%5.02%4.72%3.22%4.00%2.41%4.82%3.13%2.76%3.36%

Monthly Dividends

The table displays the monthly dividend distributions for Northern Stock Index Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.00$0.17$0.17
2025$0.00$0.00$0.17$0.00$0.00$0.19$0.00$0.00$0.19$0.00$0.00$1.45$2.01
2024$0.00$0.00$0.16$0.00$0.00$0.19$0.00$0.00$0.19$0.00$0.00$1.00$1.54
2023$0.00$0.00$0.18$0.00$0.00$0.18$0.00$0.00$0.18$0.00$0.00$1.93$2.46
2022$0.00$0.00$0.15$0.00$0.00$0.16$0.00$0.00$0.18$0.00$0.00$1.43$1.93
2021$0.00$0.00$0.13$0.00$0.00$0.15$0.00$0.00$0.15$0.00$0.00$1.25$1.68

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the Northern Stock Index Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the Northern Stock Index Fund was 55.42%, occurring on Mar 9, 2009. Recovery took 883 trading sessions.

The current Northern Stock Index Fund drawdown is 8.89%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-55.42%Oct 10, 2007355Mar 9, 2009883Sep 6, 20121238
-47.74%Mar 27, 2000637Oct 9, 20021047Dec 5, 20061684
-33.82%Feb 20, 202023Mar 23, 202097Aug 10, 2020120
-24.54%Jan 4, 2022195Oct 12, 2022294Dec 13, 2023489
-21.93%Jan 27, 199753Apr 11, 199775Jul 29, 1997128

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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