CNJFX vs. FJSCX

Last updated Jun 4, 2026

CNJFX (Commonwealth Japan Fund) and FJSCX (Fidelity Japan Smaller Companies Fund) are both Japan Equities funds. Over the past 10 years, CNJFX returned 4.95%/yr vs 9.25%/yr for FJSCX. A 0.73 correlation means they provide meaningful diversification when combined. CNJFX charges 1.75%/yr vs 0.91%/yr for FJSCX.

Performance

CNJFX vs. FJSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Commonwealth Japan Fund (CNJFX) and Fidelity Japan Smaller Companies Fund (FJSCX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CNJFX achieves a 18.76% return, which is significantly lower than FJSCX's 20.80% return. Over the past 10 years, CNJFX has underperformed FJSCX with an annualized return of 4.95%, while FJSCX has yielded a comparatively higher 9.25% annualized return.

CNJFX

• 1D: -1.14%
• 1M: 6.79%
• YTD: 18.76%
• 6M: 21.04%
• 1Y: 31.33%
• 3Y*: 13.26%
• 5Y*: 4.41%
• 10Y*: 4.95%

FJSCX

• 1D: 0.10%
• 1M: 6.57%
• YTD: 20.80%
• 6M: 21.31%
• 1Y: 33.77%
• 3Y*: 20.08%
• 5Y*: 10.03%
• 10Y*: 9.25%

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

CNJFX vs. FJSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CNJFX Commonwealth Japan Fund	18.76%	18.27%	-1.53%	14.15%	-18.49%	-7.92%	9.93%	19.15%	-10.80%	20.61%
FJSCX Fidelity Japan Smaller Companies Fund	20.80%	26.43%	8.03%	15.15%	-14.49%	-0.36%	4.80%	22.00%	-15.98%	34.56%

Correlation

The correlation between CNJFX and FJSCX is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Jun 12, 1996	0.73

The correlation between CNJFX and FJSCX shifts across timeframes, from 0.73 (all time) to 0.84 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

CNJFX vs. FJSCX — Risk / Return Rank

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

CNJFX

CNJFX Risk / Return Rank: 38
CNJFX Sharpe Ratio Rank: 35
CNJFX Sortino Ratio Rank: 35
CNJFX Omega Ratio Rank: 33
CNJFX Calmar Ratio Rank: 48
CNJFX Martin Ratio Rank: 41

FJSCX

FJSCX Risk / Return Rank: 39
FJSCX Sharpe Ratio Rank: 37
FJSCX Sortino Ratio Rank: 35
FJSCX Omega Ratio Rank: 35
FJSCX Calmar Ratio Rank: 44
FJSCX Martin Ratio Rank: 42

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.

CNJFX vs. FJSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Commonwealth Japan Fund (CNJFX) and Fidelity Japan Smaller Companies Fund (FJSCX). 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.

	CNJFX	FJSCX	Difference
Sharpe ratio: Return per unit of total volatility	1.71	1.76	-0.05
Sortino ratio: Return per unit of downside risk	2.46	2.46	0.00
Omega ratio: Gain probability vs. loss probability	1.30	1.31	-0.01
Calmar ratio: Return relative to maximum drawdown	2.64	2.53	+0.11
Martin ratio: Return relative to average drawdown	8.80	9.00	-0.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CNJFX vs. FJSCX - Sharpe Ratio Comparison

The current CNJFX Sharpe Ratio is 1.71, which is comparable to the FJSCX Sharpe Ratio of 1.76. The chart below compares the historical Sharpe Ratios of CNJFX and FJSCX, 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

	CNJFX	FJSCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.71	1.76	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	0.58	-0.34
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.29	0.58	-0.29
Sharpe Ratio (All Time) Calculated using the full available price history	-0.05	0.32	-0.37

Drawdowns

CNJFX vs. FJSCX - Drawdown Comparison

The maximum CNJFX drawdown since its inception was -73.98%, roughly equal to the maximum FJSCX drawdown of -71.42%. Use the drawdown chart below to compare losses from any high point for CNJFX and FJSCX.

Drawdown Indicators

	CNJFX	FJSCX	Difference
Max Drawdown Largest peak-to-trough decline	-73.98%	-71.42%	-2.56%
Max Drawdown (1Y) Largest decline over 1 year	-11.44%	-12.79%	+1.35%
Max Drawdown (3Y) Largest decline over 3 years	-17.82%	-15.08%	-2.74%
Max Drawdown (5Y) Largest decline over 5 years	-36.47%	-29.74%	-6.73%
Max Drawdown (10Y) Largest decline over 10 years	-36.47%	-32.10%	-4.37%
Current Drawdown Current decline from peak	-30.08%	-0.93%	-29.15%
Average Drawdown Average peak-to-trough decline	-49.91%	-26.65%	-23.26%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.42%	3.59%	-0.17%

Volatility

CNJFX vs. FJSCX - Volatility Comparison

The current volatility for Commonwealth Japan Fund (CNJFX) is 3.87%, while Fidelity Japan Smaller Companies Fund (FJSCX) has a volatility of 4.83%. This indicates that CNJFX experiences smaller price fluctuations and is considered to be less risky than FJSCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CNJFX	FJSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.87%	4.83%	-0.96%
Volatility (6M) Calculated over the trailing 6-month period	13.55%	14.79%	-1.24%
Volatility (1Y) Calculated over the trailing 1-year period	17.69%	18.46%	-0.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.04%	17.32%	+0.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.28%	16.01%	+1.27%

CNJFX vs. FJSCX - Expense Ratio Comparison

CNJFX has a 1.75% expense ratio, which is higher than FJSCX's 0.91% expense ratio.

Dividends

CNJFX vs. FJSCX - Dividend Comparison

CNJFX's dividend yield for the trailing twelve months is around 1.01%, less than FJSCX's 14.58% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CNJFX Commonwealth Japan Fund	1.01%	1.20%	0.58%	0.10%	0.00%	4.25%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
FJSCX Fidelity Japan Smaller Companies Fund	14.58%	17.62%	4.54%	2.82%	0.05%	12.01%	1.59%	7.13%	5.55%	3.91%	2.83%	1.43%

Frequently Asked Questions

Can I hold both CNJFX and FJSCX in my portfolio?

CNJFX and FJSCX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CNJFX or FJSCX?

FJSCX has higher volatility (4.83%) compared to CNJFX (3.87%). In terms of maximum drawdown, CNJFX dropped -73.98% vs FJSCX's -71.42%.

Which has better risk-adjusted returns?

FJSCX currently has the higher Sharpe Ratio (1.76 vs 1.71), 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.