VTIP vs. FPKFX

Last updated Jun 13, 2026

VTIP (Vanguard Short-Term Inflation-Protected Securities ETF) and FPKFX (Fidelity Puritan K6 Fund) are both funds - VTIP is a Inflation-Protected Bonds fund tracking the Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Year Index, while FPKFX is a Diversified Portfolio fund managed by Fidelity. Over the past 5 years, VTIP returned 3.37%/yr vs 9.04%/yr for FPKFX. At a 0.21 correlation, their price movements are largely independent. VTIP charges 0.03%/yr vs 0.32%/yr for FPKFX.

Performance

VTIP vs. FPKFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Short-Term Inflation-Protected Securities ETF (VTIP) and Fidelity Puritan K6 Fund (FPKFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, VTIP achieves a 1.85% return, which is significantly lower than FPKFX's 8.59% return.

VTIP

• 1D: -0.04%
• 1M: -0.22%
• YTD: 1.85%
• 6M: 1.95%
• 1Y: 4.57%
• 3Y*: 5.25%
• 5Y*: 3.37%
• 10Y*: 3.09%

FPKFX

• 1D: 2.13%
• 1M: 0.00%
• YTD: 8.59%
• 6M: 9.11%
• 1Y: 19.81%
• 3Y*: 16.12%
• 5Y*: 9.04%
• 10Y*: —

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

VTIP vs. FPKFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
VTIP Vanguard Short-Term Inflation-Protected Securities ETF	1.85%	6.07%	4.74%	4.62%	-2.94%	5.36%	4.95%	2.01%
FPKFX Fidelity Puritan K6 Fund	8.59%	11.37%	18.95%	20.29%	-17.11%	19.10%	20.22%	9.41%

Correlation

The correlation between VTIP and FPKFX is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (5Y) Calculated over the trailing 5-year period	0.22
Correlation (All Time) Calculated using the full available price history since Jun 14, 2019	0.21

The correlation between VTIP and FPKFX shifts across timeframes, from 0.02 (1 year) to 0.22 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

VTIP vs. FPKFX — Risk / Return Rank

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

VTIP

VTIP Risk / Return Rank: 95
VTIP Sharpe Ratio Rank: 94
VTIP Sortino Ratio Rank: 96
VTIP Omega Ratio Rank: 95
VTIP Calmar Ratio Rank: 95
VTIP Martin Ratio Rank: 95

FPKFX

FPKFX Risk / Return Rank: 70
FPKFX Sharpe Ratio Rank: 67
FPKFX Sortino Ratio Rank: 64
FPKFX Omega Ratio Rank: 66
FPKFX Calmar Ratio Rank: 72
FPKFX Martin Ratio Rank: 80

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.

VTIP vs. FPKFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Inflation-Protected Securities ETF (VTIP) and Fidelity Puritan K6 Fund (FPKFX). 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.

	VTIP	FPKFX	Difference
Sharpe ratio: Return per unit of total volatility	3.07	1.90	+1.17
Sortino ratio: Return per unit of downside risk	5.24	2.61	+2.63
Omega ratio: Gain probability vs. loss probability	1.65	1.35	+0.30
Calmar ratio: Return relative to maximum drawdown	6.57	2.72	+3.85
Martin ratio: Return relative to average drawdown	25.36	11.92	+13.44

VTIP vs. FPKFX - Sharpe Ratio Comparison

The current VTIP Sharpe Ratio is 3.07, which is higher than the FPKFX Sharpe Ratio of 1.90. The chart below compares the historical Sharpe Ratios of VTIP and FPKFX, 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

VTIP vs. FPKFX - Drawdown Comparison

The maximum VTIP drawdown since its inception was -6.27%, smaller than the maximum FPKFX drawdown of -24.46%. Use the drawdown chart below to compare losses from any high point for VTIP and FPKFX.

Drawdown Indicators

	VTIP	FPKFX	Difference
Max Drawdown Largest peak-to-trough decline	-6.27%	-24.46%	+18.19%
Max Drawdown (1Y) Largest decline over 1 year	-0.70%	-7.48%	+6.78%
Max Drawdown (3Y) Largest decline over 3 years	-0.98%	-14.90%	+13.92%
Max Drawdown (5Y) Largest decline over 5 years	-5.50%	-22.33%	+16.83%
Max Drawdown (10Y) Largest decline over 10 years	-6.27%	—	—
Current Drawdown Current decline from peak	-0.22%	-1.53%	+1.31%
Average Drawdown Average peak-to-trough decline	-1.04%	-4.78%	+3.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.18%	1.70%	-1.52%

Volatility

VTIP vs. FPKFX - Volatility Comparison

The current volatility for Vanguard Short-Term Inflation-Protected Securities ETF (VTIP) is 0.40%, while Fidelity Puritan K6 Fund (FPKFX) has a volatility of 4.70%. This indicates that VTIP experiences smaller price fluctuations and is considered to be less risky than FPKFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	VTIP	FPKFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.40%	4.70%	-4.30%
Volatility (6M) Calculated over the trailing 6-month period	1.04%	8.90%	-7.86%
Volatility (1Y) Calculated over the trailing 1-year period	1.50%	10.70%	-9.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.77%	12.74%	-9.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.74%	14.35%	-11.61%

VTIP vs. FPKFX - Expense Ratio Comparison

VTIP has a 0.03% expense ratio, which is lower than FPKFX's 0.32% expense ratio.

Dividends

VTIP vs. FPKFX - Dividend Comparison

VTIP's dividend yield for the trailing twelve months is around 3.59%, less than FPKFX's 3.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
FPKFX Fidelity Puritan K6 Fund	3.86%	4.19%	3.83%	1.67%	1.62%	4.34%	1.40%	0.63%	0.00%	0.00%	0.00%
VTIP Vanguard Short-Term Inflation-Protected Securities ETF	3.59%	3.81%	2.70%	2.86%	6.84%	4.68%	1.20%	1.95%	2.45%	1.52%	0.76%

Frequently Asked Questions

Can I hold both VTIP and FPKFX in my portfolio?

VTIP and FPKFX have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, VTIP or FPKFX?

FPKFX has higher volatility (4.70%) compared to VTIP (0.40%). In terms of maximum drawdown, VTIP dropped -6.27% vs FPKFX's -24.46%.

Which has better risk-adjusted returns?

VTIP currently has the higher Sharpe Ratio (3.07 vs 1.90), 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.