CDJAX vs. BRUFX

Last updated Jul 18, 2026

CDJAX (American Funds College 2039 Fund) and BRUFX (Bruce Fund) are both Diversified Portfolio funds. Over the past 5 years, CDJAX returned 8.52%/yr vs 6.09%/yr for BRUFX. A 0.59 correlation means they provide meaningful diversification when combined. CDJAX charges 0.48%/yr vs 0.68%/yr for BRUFX.

Performance

CDJAX vs. BRUFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds College 2039 Fund (CDJAX) and Bruce Fund (BRUFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CDJAX achieves a 7.97% return, which is significantly lower than BRUFX's 16.00% return.

CDJAX

• 1D: -0.65%
• 1M: -0.14%
• 6M: 5.10%
• YTD: 7.97%
• 1Y: 15.77%
• 3Y*: 16.13%
• 5Y*: 8.52%
• 10Y*: —

BRUFX

• 1D: 0.80%
• 1M: 5.05%
• 6M: 12.15%
• YTD: 16.00%
• 1Y: 28.62%
• 3Y*: 12.81%
• 5Y*: 6.09%
• 10Y*: 7.68%

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

CDJAX vs. BRUFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
CDJAX American Funds College 2039 Fund	7.97%	18.87%	15.33%	21.97%	-20.70%	6.97%
BRUFX Bruce Fund	16.00%	14.89%	4.45%	-0.74%	-8.80%	6.30%

Correlation

The correlation between CDJAX and BRUFX is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (3Y) Calculated over the trailing 3-year period	0.49
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (All Time) Calculated using the full available price history since May 21, 2021	0.59

The correlation between CDJAX and BRUFX shifts across timeframes, from 0.45 (1 year) to 0.60 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

CDJAX vs. BRUFX — Risk / Return Rank

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

CDJAX

CDJAX Risk / Return Rank: 42
CDJAX Sharpe Ratio Rank: 41
CDJAX Sortino Ratio Rank: 41
CDJAX Omega Ratio Rank: 41
CDJAX Calmar Ratio Rank: 38
CDJAX Martin Ratio Rank: 52

BRUFX

BRUFX Risk / Return Rank: 90
BRUFX Sharpe Ratio Rank: 92
BRUFX Sortino Ratio Rank: 89
BRUFX Omega Ratio Rank: 85
BRUFX Calmar Ratio Rank: 88
BRUFX Martin Ratio Rank: 94

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.

CDJAX vs. BRUFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds College 2039 Fund (CDJAX) and Bruce Fund (BRUFX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	CDJAX	BRUFX	Difference
Sharpe ratio: Return per unit of total volatility	1.46	2.62	-1.16
Sortino ratio: Return per unit of downside risk	2.09	3.74	-1.65
Omega ratio: Gain probability vs. loss probability	1.27	1.46	-0.20
Calmar ratio: Return relative to maximum drawdown	1.94	3.65	-1.71
Martin ratio: Return relative to average drawdown	8.57	16.24	-7.67

CDJAX vs. BRUFX - Sharpe Ratio Comparison

The current CDJAX Sharpe Ratio is 1.46, which is lower than the BRUFX Sharpe Ratio of 2.62. The chart below compares the historical Sharpe Ratios of CDJAX and BRUFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

CDJAX vs. BRUFX - Drawdown Comparison

The maximum CDJAX drawdown since its inception was -28.37%, smaller than the maximum BRUFX drawdown of -44.50%. Use the drawdown chart below to compare losses from any high point for CDJAX and BRUFX.

Drawdown Indicators

	CDJAX	BRUFX	Difference
Max Drawdown Largest peak-to-trough decline	-28.37%	-44.50%	+16.13%
Max Drawdown (1Y) Largest decline over 1 year	-8.44%	-7.67%	-0.77%
Max Drawdown (3Y) Largest decline over 3 years	-14.35%	-9.66%	-4.69%
Max Drawdown (5Y) Largest decline over 5 years	-28.37%	-17.91%	-10.46%
Max Drawdown (10Y) Largest decline over 10 years	—	-25.44%	—
Current Drawdown Current decline from peak	-1.36%	-0.27%	-1.09%
Average Drawdown Average peak-to-trough decline	-7.20%	-9.04%	+1.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.91%	1.72%	+0.19%

Volatility

CDJAX vs. BRUFX - Volatility Comparison

American Funds College 2039 Fund (CDJAX) and Bruce Fund (BRUFX) have volatilities of 2.94% and 3.06%, 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

	CDJAX	BRUFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.94%	3.06%	-0.12%
Volatility (6M) Calculated over the trailing 6-month period	9.22%	8.45%	+0.77%
Volatility (1Y) Calculated over the trailing 1-year period	11.23%	10.69%	+0.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.17%	10.58%	+3.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.01%	11.64%	+2.37%

CDJAX vs. BRUFX - Expense Ratio Comparison

CDJAX has a 0.48% expense ratio, which is lower than BRUFX's 0.68% expense ratio.

Dividends

CDJAX vs. BRUFX - Dividend Comparison

CDJAX's dividend yield for the trailing twelve months is around 5.68%, more than BRUFX's 5.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BRUFX Bruce Fund	5.48%	6.35%	5.01%	6.46%	13.31%	9.25%	5.83%	2.03%	2.49%	4.11%	6.26%	4.63%
CDJAX American Funds College 2039 Fund	5.68%	6.14%	3.12%	1.63%	2.53%	0.45%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CDJAX and BRUFX in my portfolio?

CDJAX and BRUFX have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CDJAX or BRUFX?

BRUFX has higher volatility (3.06%) compared to CDJAX (2.94%). In terms of maximum drawdown, CDJAX dropped -28.37% vs BRUFX's -44.50%.

Which has better risk-adjusted returns?

BRUFX currently has the higher Sharpe Ratio (2.62 vs 1.46), 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.