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PRBLX vs. NOSIX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between PRBLX and NOSIX is 0.92, 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.


-0.50.00.51.00.9

Performance

PRBLX vs. NOSIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Parnassus Core Equity Fund (PRBLX) and Northern Stock Index Fund (NOSIX). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
-3.21%
7.02%
PRBLX
NOSIX

Key characteristics

Sharpe Ratio

PRBLX:

0.76

NOSIX:

2.05

Sortino Ratio

PRBLX:

1.00

NOSIX:

2.72

Omega Ratio

PRBLX:

1.16

NOSIX:

1.37

Calmar Ratio

PRBLX:

0.71

NOSIX:

3.14

Martin Ratio

PRBLX:

2.73

NOSIX:

12.18

Ulcer Index

PRBLX:

4.19%

NOSIX:

2.18%

Daily Std Dev

PRBLX:

14.98%

NOSIX:

12.96%

Max Drawdown

PRBLX:

-45.76%

NOSIX:

-55.42%

Current Drawdown

PRBLX:

-10.57%

NOSIX:

-2.71%

Returns By Period

In the year-to-date period, PRBLX achieves a 2.18% return, which is significantly higher than NOSIX's 2.00% return. Over the past 10 years, PRBLX has underperformed NOSIX with an annualized return of 5.18%, while NOSIX has yielded a comparatively higher 11.29% annualized return.


PRBLX

YTD

2.18%

1M

1.98%

6M

-2.11%

1Y

10.24%

5Y*

5.31%

10Y*

5.18%

NOSIX

YTD

2.00%

1M

0.86%

6M

8.18%

1Y

25.40%

5Y*

11.44%

10Y*

11.29%

*Annualized

Compare stocks, funds, or ETFs

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


PRBLX vs. NOSIX - Expense Ratio Comparison

PRBLX has a 0.82% expense ratio, which is higher than NOSIX's 0.05% expense ratio.


PRBLX
Parnassus Core Equity Fund
Expense ratio chart for PRBLX: current value at 0.82% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.82%
Expense ratio chart for NOSIX: current value at 0.05% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.05%

Risk-Adjusted Performance

PRBLX vs. NOSIX — Risk-Adjusted Performance Rank

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

PRBLX
The Risk-Adjusted Performance Rank of PRBLX is 3939
Overall Rank
The Sharpe Ratio Rank of PRBLX is 3535
Sharpe Ratio Rank
The Sortino Ratio Rank of PRBLX is 3232
Sortino Ratio Rank
The Omega Ratio Rank of PRBLX is 4040
Omega Ratio Rank
The Calmar Ratio Rank of PRBLX is 5252
Calmar Ratio Rank
The Martin Ratio Rank of PRBLX is 3636
Martin Ratio Rank

NOSIX
The Risk-Adjusted Performance Rank of NOSIX is 8989
Overall Rank
The Sharpe Ratio Rank of NOSIX is 8888
Sharpe Ratio Rank
The Sortino Ratio Rank of NOSIX is 8787
Sortino Ratio Rank
The Omega Ratio Rank of NOSIX is 8787
Omega Ratio Rank
The Calmar Ratio Rank of NOSIX is 9191
Calmar Ratio Rank
The Martin Ratio Rank of NOSIX is 9090
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.

PRBLX vs. NOSIX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Parnassus Core Equity Fund (PRBLX) 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.


Sharpe ratio
The chart of Sharpe ratio for PRBLX, currently valued at 0.76, compared to the broader market-1.000.001.002.003.004.000.762.05
The chart of Sortino ratio for PRBLX, currently valued at 1.00, compared to the broader market0.005.0010.001.002.72
The chart of Omega ratio for PRBLX, currently valued at 1.16, compared to the broader market1.002.003.004.001.161.37
The chart of Calmar ratio for PRBLX, currently valued at 0.71, compared to the broader market0.005.0010.0015.0020.000.713.14
The chart of Martin ratio for PRBLX, currently valued at 2.73, compared to the broader market0.0020.0040.0060.0080.002.7312.18
PRBLX
NOSIX

The current PRBLX Sharpe Ratio is 0.76, which is lower than the NOSIX Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of PRBLX and NOSIX, 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 Ratio0.501.001.502.002.503.00AugustSeptemberOctoberNovemberDecember2025
0.76
2.05
PRBLX
NOSIX

Dividends

PRBLX vs. NOSIX - Dividend Comparison

PRBLX's dividend yield for the trailing twelve months is around 0.37%, less than NOSIX's 1.25% yield.


TTM20242023202220212020201920182017201620152014
PRBLX
Parnassus Core Equity Fund
0.37%0.38%0.57%0.49%0.83%0.57%0.73%1.14%1.30%1.02%2.17%1.46%
NOSIX
Northern Stock Index Fund
1.25%1.27%1.56%1.68%1.15%1.53%1.70%2.09%1.73%2.06%1.99%1.77%

Drawdowns

PRBLX vs. NOSIX - Drawdown Comparison

The maximum PRBLX drawdown since its inception was -45.76%, smaller than the maximum NOSIX drawdown of -55.42%. Use the drawdown chart below to compare losses from any high point for PRBLX and NOSIX. For additional features, visit the drawdowns tool.


-14.00%-12.00%-10.00%-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-10.57%
-2.71%
PRBLX
NOSIX

Volatility

PRBLX vs. NOSIX - Volatility Comparison

The current volatility for Parnassus Core Equity Fund (PRBLX) is 4.70%, while Northern Stock Index Fund (NOSIX) has a volatility of 5.24%. This indicates that PRBLX 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.


2.00%4.00%6.00%8.00%10.00%AugustSeptemberOctoberNovemberDecember2025
4.70%
5.24%
PRBLX
NOSIX
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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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