FIFGX vs. VFINX

Last updated Jun 3, 2026

FIFGX (Fidelity SAI Inflation-Focused) and VFINX (Vanguard 500 Index Fund Investor Shares) are both mutual funds - FIFGX is a Commodities fund managed by Fidelity, while VFINX is a Large Cap Blend Equities fund managed by Vanguard. Over the past 5 years, FIFGX returned 11.28%/yr vs 14.02%/yr for VFINX. At a 0.21 correlation, their price movements are largely independent. FIFGX charges 0.39%/yr vs 0.14%/yr for VFINX.

Performance

FIFGX vs. VFINX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity SAI Inflation-Focused (FIFGX) and Vanguard 500 Index Fund Investor Shares (VFINX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FIFGX achieves a 44.63% return, which is significantly higher than VFINX's 11.50% return.

FIFGX

• 1D: 1.61%
• 1M: -2.00%
• YTD: 44.63%
• 6M: 40.95%
• 1Y: 53.88%
• 3Y*: 17.30%
• 5Y*: 11.28%
• 10Y*: —

VFINX

• 1D: 0.27%
• 1M: 5.23%
• YTD: 11.50%
• 6M: 11.86%
• 1Y: 29.40%
• 3Y*: 22.54%
• 5Y*: 14.02%
• 10Y*: 15.50%

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

FIFGX vs. VFINX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FIFGX Fidelity SAI Inflation-Focused	44.63%	7.44%	6.34%	-11.90%	9.30%	32.92%	1.48%	9.32%	-2.00%
VFINX Vanguard 500 Index Fund Investor Shares	11.50%	17.71%	24.84%	26.12%	-18.24%	28.53%	18.20%	31.33%	1.64%

Correlation

The correlation between FIFGX and VFINX is -0.22, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.22
Correlation (3Y) Calculated over the trailing 3-year period	0.02
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (All Time) Calculated using the full available price history since Dec 21, 2018	0.21

The correlation between FIFGX and VFINX shifts across timeframes, from -0.22 (1 year) to 0.21 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FIFGX vs. VFINX — Risk / Return Rank

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

FIFGX

FIFGX Risk / Return Rank: 79
FIFGX Sharpe Ratio Rank: 83
FIFGX Sortino Ratio Rank: 65
FIFGX Omega Ratio Rank: 67
FIFGX Calmar Ratio Rank: 97
FIFGX Martin Ratio Rank: 84

VFINX

VFINX Risk / Return Rank: 74
VFINX Sharpe Ratio Rank: 76
VFINX Sortino Ratio Rank: 68
VFINX Omega Ratio Rank: 68
VFINX Calmar Ratio Rank: 73
VFINX Martin Ratio Rank: 83

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.

FIFGX vs. VFINX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity SAI Inflation-Focused (FIFGX) and Vanguard 500 Index Fund Investor Shares (VFINX). 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.

	FIFGX	VFINX	Difference
Sharpe ratio Return per unit of total volatility	2.69	2.54	+0.15
Sortino ratio Return per unit of downside risk	3.37	3.44	-0.07
Omega ratio Gain probability vs. loss probability	1.46	1.46	0.00
Calmar ratio Return relative to maximum drawdown	7.41	3.36	+4.06
Martin ratio Return relative to average drawdown	15.91	15.71	+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.

FIFGX vs. VFINX - Sharpe Ratio Comparison

The current FIFGX Sharpe Ratio is 2.69, which is comparable to the VFINX Sharpe Ratio of 2.54. The chart below compares the historical Sharpe Ratios of FIFGX and VFINX, 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

	FIFGX	VFINX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.69	2.54	+0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.03	0.83	-0.81
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.86	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	0.62	-0.58

Drawdowns

FIFGX vs. VFINX - Drawdown Comparison

The maximum FIFGX drawdown since its inception was -92.38%, which is greater than VFINX's maximum drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for FIFGX and VFINX.

Drawdown Indicators

	FIFGX	VFINX	Difference
Max Drawdown Largest peak-to-trough decline	-92.38%	-55.25%	-37.13%
Max Drawdown (1Y) Largest decline over 1 year	-7.52%	-8.92%	+1.40%
Max Drawdown (3Y) Largest decline over 3 years	-90.27%	-18.76%	-71.51%
Max Drawdown (5Y) Largest decline over 5 years	-92.38%	-24.59%	-67.79%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.83%	—
Current Drawdown Current decline from peak	-5.26%	0.00%	-5.26%
Average Drawdown Average peak-to-trough decline	-13.91%	-8.28%	-5.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.50%	1.91%	+1.59%

Volatility

FIFGX vs. VFINX - Volatility Comparison

Fidelity SAI Inflation-Focused (FIFGX) has a higher volatility of 7.21% compared to Vanguard 500 Index Fund Investor Shares (VFINX) at 2.82%. This indicates that FIFGX's price experiences larger fluctuations and is considered to be riskier than VFINX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIFGX	VFINX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.21%	2.82%	+4.39%
Volatility (6M) Calculated over the trailing 6-month period	18.35%	8.99%	+9.36%
Volatility (1Y) Calculated over the trailing 1-year period	21.82%	11.88%	+9.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	408.18%	16.90%	+391.28%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	334.71%	18.07%	+316.64%

FIFGX vs. VFINX - Expense Ratio Comparison

FIFGX has a 0.39% expense ratio, which is higher than VFINX's 0.14% expense ratio.

Dividends

FIFGX vs. VFINX - Dividend Comparison

FIFGX's dividend yield for the trailing twelve months is around 3.76%, more than VFINX's 0.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIFGX Fidelity SAI Inflation-Focused	3.76%	5.44%	4.73%	2.43%	12.64%	35.77%	3.10%	1.59%	0.00%	0.00%	0.00%	0.00%
VFINX Vanguard 500 Index Fund Investor Shares	0.93%	1.02%	1.14%	1.36%	1.57%	1.15%	1.45%	1.77%	1.94%	1.69%	1.92%	1.99%

Frequently Asked Questions

Can I hold both FIFGX and VFINX in my portfolio?

FIFGX and VFINX have a correlation of -0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FIFGX or VFINX?

FIFGX has higher volatility (7.21%) compared to VFINX (2.82%). In terms of maximum drawdown, FIFGX dropped -92.38% vs VFINX's -55.25%.

Which has better risk-adjusted returns?

FIFGX currently has the higher Sharpe Ratio (2.69 vs 2.54), 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.