FPUKX vs. VFFVX

Last updated Jun 4, 2026

FPUKX (Fidelity Puritan Fund Class K) and VFFVX (Vanguard Target Retirement 2055 Fund) are both mutual funds - FPUKX is a Diversified Portfolio fund managed by Fidelity, while VFFVX is a Target Retirement Date fund managed by Vanguard. Over the past 10 years, FPUKX returned 11.62%/yr vs 11.96%/yr for VFFVX. Their correlation of 0.94 suggests significant overlap in exposure. FPUKX charges 0.43%/yr vs 0.08%/yr for VFFVX.

Performance

FPUKX vs. VFFVX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Puritan Fund Class K (FPUKX) and Vanguard Target Retirement 2055 Fund (VFFVX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FPUKX achieves a 10.17% return, which is significantly lower than VFFVX's 12.17% return. Both investments have delivered pretty close results over the past 10 years, with FPUKX having a 11.62% annualized return and VFFVX not far ahead at 11.96%.

FPUKX

• 1D: 0.35%
• 1M: 4.20%
• YTD: 10.17%
• 6M: 10.61%
• 1Y: 23.52%
• 3Y*: 17.33%
• 5Y*: 9.69%
• 10Y*: 11.62%

VFFVX

• 1D: 0.37%
• 1M: 5.19%
• YTD: 12.17%
• 6M: 13.09%
• 1Y: 28.26%
• 3Y*: 19.73%
• 5Y*: 10.39%
• 10Y*: 11.96%

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

FPUKX vs. VFFVX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FPUKX Fidelity Puritan Fund Class K	10.17%	12.31%	19.03%	20.26%	-17.26%	18.99%	20.70%	21.40%	-4.15%	18.37%
VFFVX Vanguard Target Retirement 2055 Fund	12.17%	21.44%	14.50%	20.39%	-17.48%	16.44%	16.33%	24.98%	-7.88%	21.39%

Correlation

The correlation between FPUKX and VFFVX 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	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.93
Correlation (All Time) Calculated using the full available price history since Aug 19, 2010	0.94

The correlation between FPUKX and VFFVX has been stable across timeframes, ranging from 0.91 to 0.94 - a consistent structural relationship.

Return for Risk

FPUKX vs. VFFVX — Risk / Return Rank

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

FPUKX

FPUKX Risk / Return Rank: 72
FPUKX Sharpe Ratio Rank: 73
FPUKX Sortino Ratio Rank: 67
FPUKX Omega Ratio Rank: 68
FPUKX Calmar Ratio Rank: 74
FPUKX Martin Ratio Rank: 79

VFFVX

VFFVX Risk / Return Rank: 71
VFFVX Sharpe Ratio Rank: 75
VFFVX Sortino Ratio Rank: 69
VFFVX Omega Ratio Rank: 67
VFFVX Calmar Ratio Rank: 69
VFFVX Martin Ratio Rank: 75

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.

FPUKX vs. VFFVX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Puritan Fund Class K (FPUKX) and Vanguard Target Retirement 2055 Fund (VFFVX). 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.

	FPUKX	VFFVX	Difference
Sharpe ratio: Return per unit of total volatility	2.47	2.51	-0.04
Sortino ratio: Return per unit of downside risk	3.41	3.46	-0.05
Omega ratio: Gain probability vs. loss probability	1.46	1.46	0.00
Calmar ratio: Return relative to maximum drawdown	3.34	3.21	+0.13
Martin ratio: Return relative to average drawdown	14.89	14.23	+0.66
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FPUKX vs. VFFVX - Sharpe Ratio Comparison

The current FPUKX Sharpe Ratio is 2.47, which is comparable to the VFFVX Sharpe Ratio of 2.51. The chart below compares the historical Sharpe Ratios of FPUKX and VFFVX, 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

	FPUKX	VFFVX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.47	2.51	-0.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.73	0.74	0.00
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.89	0.80	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.71	0.77	-0.06

Drawdowns

FPUKX vs. VFFVX - Drawdown Comparison

The maximum FPUKX drawdown since its inception was -37.81%, which is greater than VFFVX's maximum drawdown of -31.40%. Use the drawdown chart below to compare losses from any high point for FPUKX and VFFVX.

Drawdown Indicators

	FPUKX	VFFVX	Difference
Max Drawdown Largest peak-to-trough decline	-37.81%	-31.40%	-6.41%
Max Drawdown (1Y) Largest decline over 1 year	-7.24%	-8.93%	+1.69%
Max Drawdown (3Y) Largest decline over 3 years	-16.46%	-14.52%	-1.94%
Max Drawdown (5Y) Largest decline over 5 years	-22.52%	-25.39%	+2.87%
Max Drawdown (10Y) Largest decline over 10 years	-23.91%	-31.40%	+7.49%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.94%	-4.14%	-0.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.62%	2.01%	-0.39%

Volatility

FPUKX vs. VFFVX - Volatility Comparison

Fidelity Puritan Fund Class K (FPUKX) and Vanguard Target Retirement 2055 Fund (VFFVX) have volatilities of 3.21% and 3.37%, 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

	FPUKX	VFFVX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.21%	3.37%	-0.16%
Volatility (6M) Calculated over the trailing 6-month period	7.81%	9.08%	-1.27%
Volatility (1Y) Calculated over the trailing 1-year period	9.79%	11.42%	-1.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.30%	14.18%	-0.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.10%	15.10%	-2.00%

FPUKX vs. VFFVX - Expense Ratio Comparison

FPUKX has a 0.43% expense ratio, which is higher than VFFVX's 0.08% expense ratio.

Dividends

FPUKX vs. VFFVX - Dividend Comparison

FPUKX's dividend yield for the trailing twelve months is around 6.26%, more than VFFVX's 1.85% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FPUKX Fidelity Puritan Fund Class K	6.26%	6.91%	11.37%	5.42%	9.47%	13.20%	5.17%	4.38%	15.38%	3.84%	3.82%	7.60%
VFFVX Vanguard Target Retirement 2055 Fund	1.85%	2.08%	2.31%	2.18%	2.19%	10.03%	1.82%	2.15%	2.35%	1.83%	1.99%	1.98%

Frequently Asked Questions

Can I hold both FPUKX and VFFVX in my portfolio?

With a correlation of 0.93, FPUKX and VFFVX 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, FPUKX or VFFVX?

VFFVX has higher volatility (3.37%) compared to FPUKX (3.21%). In terms of maximum drawdown, FPUKX dropped -37.81% vs VFFVX's -31.40%.

Which has better risk-adjusted returns?

VFFVX currently has the higher Sharpe Ratio (2.51 vs 2.47), 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.