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NSIDX vs. PEXMX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between NSIDX and PEXMX is 0.96, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.


-0.50.00.51.01.0

Performance

NSIDX vs. PEXMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Northern Small Cap Index Fund (NSIDX) and T. Rowe Price Extended Equity Market Index Fund (PEXMX). The values are adjusted to include any dividend payments, if applicable.

0.00%5.00%10.00%15.00%20.00%SeptemberOctoberNovemberDecember2025February
6.09%
12.80%
NSIDX
PEXMX

Key characteristics

Sharpe Ratio

NSIDX:

0.61

PEXMX:

0.90

Sortino Ratio

NSIDX:

0.98

PEXMX:

1.30

Omega Ratio

NSIDX:

1.12

PEXMX:

1.17

Calmar Ratio

NSIDX:

0.43

PEXMX:

0.52

Martin Ratio

NSIDX:

2.34

PEXMX:

3.28

Ulcer Index

NSIDX:

5.53%

PEXMX:

5.15%

Daily Std Dev

NSIDX:

21.14%

PEXMX:

18.67%

Max Drawdown

NSIDX:

-70.31%

PEXMX:

-59.79%

Current Drawdown

NSIDX:

-21.17%

PEXMX:

-20.96%

Returns By Period

In the year-to-date period, NSIDX achieves a 2.66% return, which is significantly lower than PEXMX's 5.16% return. Over the past 10 years, NSIDX has underperformed PEXMX with an annualized return of 2.65%, while PEXMX has yielded a comparatively higher 3.95% annualized return.


NSIDX

YTD

2.66%

1M

4.54%

6M

6.09%

1Y

9.62%

5Y*

2.48%

10Y*

2.65%

PEXMX

YTD

5.16%

1M

3.89%

6M

12.80%

1Y

13.98%

5Y*

3.48%

10Y*

3.95%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


NSIDX vs. PEXMX - Expense Ratio Comparison

NSIDX has a 0.10% expense ratio, which is lower than PEXMX's 0.23% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


PEXMX
T. Rowe Price Extended Equity Market Index Fund
Expense ratio chart for PEXMX: current value at 0.23% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.23%
Expense ratio chart for NSIDX: current value at 0.10% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.10%

Risk-Adjusted Performance

NSIDX vs. PEXMX — Risk-Adjusted Performance Rank

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

NSIDX
The Risk-Adjusted Performance Rank of NSIDX is 3030
Overall Rank
The Sharpe Ratio Rank of NSIDX is 2727
Sharpe Ratio Rank
The Sortino Ratio Rank of NSIDX is 3131
Sortino Ratio Rank
The Omega Ratio Rank of NSIDX is 2727
Omega Ratio Rank
The Calmar Ratio Rank of NSIDX is 3333
Calmar Ratio Rank
The Martin Ratio Rank of NSIDX is 3535
Martin Ratio Rank

PEXMX
The Risk-Adjusted Performance Rank of PEXMX is 4545
Overall Rank
The Sharpe Ratio Rank of PEXMX is 4646
Sharpe Ratio Rank
The Sortino Ratio Rank of PEXMX is 4747
Sortino Ratio Rank
The Omega Ratio Rank of PEXMX is 4545
Omega Ratio Rank
The Calmar Ratio Rank of PEXMX is 4141
Calmar Ratio Rank
The Martin Ratio Rank of PEXMX is 4747
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

NSIDX vs. PEXMX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Northern Small Cap Index Fund (NSIDX) and T. Rowe Price Extended Equity Market Index Fund (PEXMX). 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.


Sharpe ratio
The chart of Sharpe ratio for NSIDX, currently valued at 0.61, compared to the broader market-1.000.001.002.003.004.000.610.90
The chart of Sortino ratio for NSIDX, currently valued at 0.98, compared to the broader market0.002.004.006.008.0010.0012.000.981.30
The chart of Omega ratio for NSIDX, currently valued at 1.12, compared to the broader market1.002.003.004.001.121.17
The chart of Calmar ratio for NSIDX, currently valued at 0.43, compared to the broader market0.005.0010.0015.0020.000.430.52
The chart of Martin ratio for NSIDX, currently valued at 2.34, compared to the broader market0.0020.0040.0060.0080.002.343.28
NSIDX
PEXMX

The current NSIDX Sharpe Ratio is 0.61, which is lower than the PEXMX Sharpe Ratio of 0.90. The chart below compares the historical Sharpe Ratios of NSIDX and PEXMX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio0.000.501.001.502.00SeptemberOctoberNovemberDecember2025February
0.61
0.90
NSIDX
PEXMX

Dividends

NSIDX vs. PEXMX - Dividend Comparison

NSIDX's dividend yield for the trailing twelve months is around 1.53%, more than PEXMX's 1.05% yield.


TTM20242023202220212020201920182017201620152014
NSIDX
Northern Small Cap Index Fund
1.53%1.57%1.58%1.24%0.83%0.97%1.09%1.36%1.07%1.07%1.27%1.11%
PEXMX
T. Rowe Price Extended Equity Market Index Fund
1.05%1.11%1.05%1.32%0.75%0.65%1.06%1.29%1.13%1.15%0.95%1.08%

Drawdowns

NSIDX vs. PEXMX - Drawdown Comparison

The maximum NSIDX drawdown since its inception was -70.31%, which is greater than PEXMX's maximum drawdown of -59.79%. Use the drawdown chart below to compare losses from any high point for NSIDX and PEXMX. For additional features, visit the drawdowns tool.


-30.00%-25.00%-20.00%-15.00%-10.00%SeptemberOctoberNovemberDecember2025February
-21.17%
-20.96%
NSIDX
PEXMX

Volatility

NSIDX vs. PEXMX - Volatility Comparison

Northern Small Cap Index Fund (NSIDX) has a higher volatility of 5.01% compared to T. Rowe Price Extended Equity Market Index Fund (PEXMX) at 4.33%. This indicates that NSIDX's price experiences larger fluctuations and is considered to be riskier than PEXMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


3.00%4.00%5.00%6.00%7.00%8.00%9.00%SeptemberOctoberNovemberDecember2025February
5.01%
4.33%
NSIDX
PEXMX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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