FPURX vs. AMBFX

Last updated Jun 4, 2026

FPURX (Fidelity Puritan Fund) and AMBFX (American Funds American Balanced Fund® Class F-2) are both Diversified Portfolio funds. Over the past 10 years, FPURX returned 11.53%/yr vs 10.47%/yr for AMBFX. Their correlation of 0.95 suggests significant overlap in exposure. FPURX charges 0.50%/yr vs 0.35%/yr for AMBFX.

Performance

FPURX vs. AMBFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Puritan Fund (FPURX) and American Funds American Balanced Fund® Class F-2 (AMBFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with FPURX having a 10.15% return and AMBFX slightly lower at 10.06%. Over the past 10 years, FPURX has outperformed AMBFX with an annualized return of 11.53%, while AMBFX has yielded a comparatively lower 10.47% annualized return.

FPURX

• 1D: 0.35%
• 1M: 4.19%
• YTD: 10.15%
• 6M: 10.56%
• 1Y: 23.46%
• 3Y*: 17.25%
• 5Y*: 9.61%
• 10Y*: 11.53%

AMBFX

• 1D: 0.24%
• 1M: 4.00%
• YTD: 10.06%
• 6M: 10.70%
• 1Y: 25.21%
• 3Y*: 17.77%
• 5Y*: 9.94%
• 10Y*: 10.47%

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

FPURX vs. AMBFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FPURX Fidelity Puritan Fund	10.15%	12.22%	18.94%	20.20%	-17.35%	18.92%	20.58%	21.27%	-4.18%	18.28%
AMBFX American Funds American Balanced Fund® Class F-2	10.06%	18.67%	15.25%	13.81%	-11.93%	16.00%	11.06%	19.45%	-2.69%	14.85%

Correlation

The correlation between FPURX and AMBFX is 0.93, 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	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Aug 4, 2008	0.95

The correlation between FPURX and AMBFX has been stable across timeframes, ranging from 0.93 to 0.95 - a consistent structural relationship.

Return for Risk

FPURX vs. AMBFX — Risk / Return Rank

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

FPURX

FPURX Risk / Return Rank: 71
FPURX Sharpe Ratio Rank: 71
FPURX Sortino Ratio Rank: 66
FPURX Omega Ratio Rank: 67
FPURX Calmar Ratio Rank: 73
FPURX Martin Ratio Rank: 78

AMBFX

AMBFX Risk / Return Rank: 86
AMBFX Sharpe Ratio Rank: 90
AMBFX Sortino Ratio Rank: 87
AMBFX Omega Ratio Rank: 84
AMBFX Calmar Ratio Rank: 81
AMBFX Martin Ratio Rank: 86

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.

FPURX vs. AMBFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Puritan Fund (FPURX) and American Funds American Balanced Fund® Class F-2 (AMBFX). 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.

	FPURX	AMBFX	Difference
Sharpe ratio Return per unit of total volatility	2.46	2.96	-0.51
Sortino ratio Return per unit of downside risk	3.39	4.14	-0.75
Omega ratio Gain probability vs. loss probability	1.46	1.57	-0.11
Calmar ratio Return relative to maximum drawdown	3.31	3.70	-0.38
Martin ratio Return relative to average drawdown	14.75	16.73	-1.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FPURX vs. AMBFX - Sharpe Ratio Comparison

The current FPURX Sharpe Ratio is 2.46, which is comparable to the AMBFX Sharpe Ratio of 2.96. The chart below compares the historical Sharpe Ratios of FPURX and AMBFX, 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

	FPURX	AMBFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.46	2.96	-0.51
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	0.95	-0.22
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.88	0.98	-0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	0.78	-0.05

Drawdowns

FPURX vs. AMBFX - Drawdown Comparison

The maximum FPURX drawdown since its inception was -31.76%, smaller than the maximum AMBFX drawdown of -35.05%. Use the drawdown chart below to compare losses from any high point for FPURX and AMBFX.

Drawdown Indicators

	FPURX	AMBFX	Difference
Max Drawdown Largest peak-to-trough decline	-31.76%	-35.05%	+3.29%
Max Drawdown (1Y) Largest decline over 1 year	-7.24%	-7.00%	-0.24%
Max Drawdown (3Y) Largest decline over 3 years	-16.51%	-10.64%	-5.87%
Max Drawdown (5Y) Largest decline over 5 years	-22.53%	-18.65%	-3.88%
Max Drawdown (10Y) Largest decline over 10 years	-23.93%	-22.31%	-1.62%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.65%	-3.58%	-1.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.62%	1.54%	+0.08%

Volatility

FPURX vs. AMBFX - Volatility Comparison

Fidelity Puritan Fund (FPURX) has a higher volatility of 3.21% compared to American Funds American Balanced Fund® Class F-2 (AMBFX) at 2.67%. This indicates that FPURX's price experiences larger fluctuations and is considered to be riskier than AMBFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FPURX	AMBFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.21%	2.67%	+0.54%
Volatility (6M) Calculated over the trailing 6-month period	7.81%	6.86%	+0.95%
Volatility (1Y) Calculated over the trailing 1-year period	9.75%	8.73%	+1.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.28%	10.50%	+2.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.10%	10.67%	+2.43%

FPURX vs. AMBFX - Expense Ratio Comparison

FPURX has a 0.50% expense ratio, which is higher than AMBFX's 0.35% expense ratio.

Dividends

FPURX vs. AMBFX - Dividend Comparison

FPURX's dividend yield for the trailing twelve months is around 6.19%, less than AMBFX's 7.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMBFX American Funds American Balanced Fund® Class F-2	7.72%	8.47%	7.40%	2.20%	2.52%	4.50%	4.56%	4.19%	6.20%	4.85%	4.46%	5.81%
FPURX Fidelity Puritan Fund	6.19%	6.83%	11.30%	5.34%	9.38%	13.10%	5.10%	4.29%	15.26%	3.78%	3.71%	7.49%

Frequently Asked Questions

Can I hold both FPURX and AMBFX in my portfolio?

With a correlation of 0.93, FPURX and AMBFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, FPURX or AMBFX?

FPURX has higher volatility (3.21%) compared to AMBFX (2.67%). In terms of maximum drawdown, FPURX dropped -31.76% vs AMBFX's -35.05%.

Which has better risk-adjusted returns?

AMBFX currently has the higher Sharpe Ratio (2.96 vs 2.46), 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.