FAPGX vs. FNILX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Sustainable Low Duration Bond (FAPGX) and Fidelity ZERO Large Cap Index Fund (FNILX).

FAPGX is managed by Fidelity. It was launched on Apr 29, 2022. FNILX is managed by Fidelity.

Performance

FAPGX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Sustainable Low Duration Bond (FAPGX) and Fidelity ZERO Large Cap Index Fund (FNILX). The values are adjusted to include any dividend payments, if applicable.

FAPGX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
FAPGX Fidelity Sustainable Low Duration Bond	0.49%	4.57%	5.32%	5.28%	0.57%
FNILX Fidelity ZERO Large Cap Index Fund	-7.30%	17.81%	25.47%	27.45%	-13.36%

Returns By Period

In the year-to-date period, FAPGX achieves a 0.49% return, which is significantly higher than FNILX's -7.30% return.

FAPGX

• 1D: 0.10%
• 1M: -0.20%
• YTD: 0.49%
• 6M: 1.53%
• 1Y: 3.92%
• 3Y*: 4.83%
• 5Y*: —
• 10Y*: —

FNILX

• 1D: -0.35%
• 1M: -7.60%
• YTD: -7.30%
• 6M: -5.00%
• 1Y: 14.41%
• 3Y*: 17.43%
• 5Y*: 11.17%
• 10Y*: —

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

FAPGX vs. FNILX - Expense Ratio Comparison

FAPGX has a 0.25% expense ratio, which is higher than FNILX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

FAPGX

Fidelity Sustainable Low Duration Bond

FNILX

Fidelity ZERO Large Cap Index Fund

Return for Risk

FAPGX vs. FNILX — Risk / Return Rank

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

FAPGX

FAPGX Risk / Return Rank: 99
FAPGX Sharpe Ratio Rank: 99
FAPGX Sortino Ratio Rank: 99
FAPGX Omega Ratio Rank: 99
FAPGX Calmar Ratio Rank: 100
FAPGX Martin Ratio Rank: 100

FNILX

FNILX Risk / Return Rank: 45
FNILX Sharpe Ratio Rank: 40
FNILX Sortino Ratio Rank: 44
FNILX Omega Ratio Rank: 49
FNILX Calmar Ratio Rank: 41
FNILX Martin Ratio Rank: 52

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.

FAPGX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Sustainable Low Duration Bond (FAPGX) and Fidelity ZERO Large Cap Index Fund (FNILX). 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.

	FAPGX	FNILX	Difference
Sharpe ratio Return per unit of total volatility	3.77	0.83	+2.95
Sortino ratio Return per unit of downside risk	8.86	1.28	+7.58
Omega ratio Gain probability vs. loss probability	2.85	1.20	+1.66
Calmar ratio Return relative to maximum drawdown	14.12	1.04	+13.07
Martin ratio Return relative to average drawdown	57.66	5.01	+52.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FAPGX vs. FNILX - Sharpe Ratio Comparison

The current FAPGX Sharpe Ratio is 3.77, which is higher than the FNILX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of FAPGX and FNILX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FAPGX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.77	0.83	+2.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.65	—
Sharpe Ratio (All Time) Calculated using the full available price history	3.87	0.64	+3.23

Correlation

The correlation between FAPGX and FNILX is 0.03, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

FAPGX vs. FNILX - Dividend Comparison

FAPGX's dividend yield for the trailing twelve months is around 4.26%, more than FNILX's 1.09% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018
FAPGX Fidelity Sustainable Low Duration Bond	4.26%	4.40%	4.81%	3.44%	0.77%	0.00%	0.00%	0.00%	0.00%
FNILX Fidelity ZERO Large Cap Index Fund	1.09%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%

Drawdowns

FAPGX vs. FNILX - Drawdown Comparison

The maximum FAPGX drawdown since its inception was -0.49%, smaller than the maximum FNILX drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FAPGX and FNILX.

Drawdown Indicators

	FAPGX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-0.49%	-33.76%	+33.27%
Max Drawdown (1Y) Largest decline over 1 year	-0.29%	-12.18%	+11.89%
Max Drawdown (5Y) Largest decline over 5 years	—	-25.40%	—
Current Drawdown Current decline from peak	-0.20%	-9.01%	+8.81%
Average Drawdown Average peak-to-trough decline	-0.07%	-5.47%	+5.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.07%	2.54%	-2.47%

Volatility

FAPGX vs. FNILX - Volatility Comparison

The current volatility for Fidelity Sustainable Low Duration Bond (FAPGX) is 0.28%, while Fidelity ZERO Large Cap Index Fund (FNILX) has a volatility of 4.23%. This indicates that FAPGX experiences smaller price fluctuations and is considered to be less risky than FNILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FAPGX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.28%	4.23%	-3.95%
Volatility (6M) Calculated over the trailing 6-month period	0.82%	9.14%	-8.32%
Volatility (1Y) Calculated over the trailing 1-year period	1.11%	18.26%	-17.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.06%	17.22%	-16.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.06%	20.17%	-19.11%