FTLTX vs. FNILX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Series Long-Term Treasury Bond Index Fund (FTLTX) and Fidelity ZERO Large Cap Index Fund (FNILX).

FTLTX is managed by Fidelity. It was launched on Jul 7, 2016. FNILX is managed by Fidelity.

Performance

FTLTX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Series Long-Term Treasury Bond Index Fund (FTLTX) and Fidelity ZERO Large Cap Index Fund (FNILX). The values are adjusted to include any dividend payments, if applicable.

FTLTX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FTLTX Fidelity Series Long-Term Treasury Bond Index Fund	-0.32%	5.45%	-6.13%	3.27%	-29.89%	-5.13%	17.45%	14.23%	4.33%
FNILX Fidelity ZERO Large Cap Index Fund	-7.30%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%

Returns By Period

In the year-to-date period, FTLTX achieves a -0.32% return, which is significantly higher than FNILX's -7.30% return.

FTLTX

• 1D: 1.33%
• 1M: -4.13%
• YTD: -0.32%
• 6M: -0.65%
• 1Y: 0.19%
• 3Y*: -1.54%
• 5Y*: -4.72%
• 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)

FTLTX vs. FNILX - Expense Ratio Comparison

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

FTLTX

Fidelity Series Long-Term Treasury Bond Index Fund

FNILX

Fidelity ZERO Large Cap Index Fund

Return for Risk

FTLTX vs. FNILX — Risk / Return Rank

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

FTLTX

FTLTX Risk / Return Rank: 9
FTLTX Sharpe Ratio Rank: 8
FTLTX Sortino Ratio Rank: 7
FTLTX Omega Ratio Rank: 7
FTLTX Calmar Ratio Rank: 12
FTLTX Martin Ratio Rank: 10

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.

FTLTX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Series Long-Term Treasury Bond Index Fund (FTLTX) 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.

	FTLTX	FNILX	Difference
Sharpe ratio Return per unit of total volatility	0.14	0.83	-0.69
Sortino ratio Return per unit of downside risk	0.25	1.28	-1.03
Omega ratio Gain probability vs. loss probability	1.03	1.20	-0.16
Calmar ratio Return relative to maximum drawdown	0.31	1.04	-0.73
Martin ratio Return relative to average drawdown	0.70	5.01	-4.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FTLTX vs. FNILX - Sharpe Ratio Comparison

The current FTLTX Sharpe Ratio is 0.14, which is lower than the FNILX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of FTLTX 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

	FTLTX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.14	0.83	-0.69
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.32	0.65	-0.98
Sharpe Ratio (All Time) Calculated using the full available price history	-0.03	0.64	-0.66

Correlation

The correlation between FTLTX and FNILX is -0.07. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

FTLTX vs. FNILX - Dividend Comparison

FTLTX's dividend yield for the trailing twelve months is around 3.55%, more than FNILX's 1.09% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTLTX Fidelity Series Long-Term Treasury Bond Index Fund	3.55%	3.83%	3.71%	3.17%	2.20%	2.06%	12.95%	10.68%	2.89%	2.44%
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%	0.00%

Drawdowns

FTLTX vs. FNILX - Drawdown Comparison

The maximum FTLTX drawdown since its inception was -46.86%, which is greater than FNILX's maximum drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FTLTX and FNILX.

Drawdown Indicators

	FTLTX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-46.86%	-33.76%	-13.10%
Max Drawdown (1Y) Largest decline over 1 year	-8.76%	-12.18%	+3.42%
Max Drawdown (5Y) Largest decline over 5 years	-41.52%	-25.40%	-16.12%
Current Drawdown Current decline from peak	-37.26%	-9.01%	-28.25%
Average Drawdown Average peak-to-trough decline	-19.66%	-5.47%	-14.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.93%	2.54%	+1.39%

Volatility

FTLTX vs. FNILX - Volatility Comparison

The current volatility for Fidelity Series Long-Term Treasury Bond Index Fund (FTLTX) is 3.70%, while Fidelity ZERO Large Cap Index Fund (FNILX) has a volatility of 4.23%. This indicates that FTLTX 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

	FTLTX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.70%	4.23%	-0.53%
Volatility (6M) Calculated over the trailing 6-month period	6.14%	9.14%	-3.00%
Volatility (1Y) Calculated over the trailing 1-year period	10.61%	18.26%	-7.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.63%	17.22%	-2.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.96%	20.17%	-6.21%