FSST vs. FSKAX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Sustainability U.S. Equity ETF (FSST) and Fidelity Total Market Index Fund (FSKAX).

FSST is a passively managed fund by Fidelity that tracks the performance of the Russell 3000. It was launched on Jun 15, 2021. FSKAX is managed by Fidelity.

Performance

FSST vs. FSKAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Sustainability U.S. Equity ETF (FSST) and Fidelity Total Market Index Fund (FSKAX). The values are adjusted to include any dividend payments, if applicable.

FSST vs. FSKAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
FSST Fidelity Sustainability U.S. Equity ETF	0.00%	15.40%	21.40%	25.49%	-18.30%	12.81%
FSKAX Fidelity Total Market Index Fund	-6.77%	17.06%	23.89%	26.12%	-19.53%	11.06%

Returns By Period

FSST

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

FSKAX

• 1D: -0.47%
• 1M: -7.69%
• YTD: -6.77%
• 6M: -4.56%
• 1Y: 14.73%
• 3Y*: 16.72%
• 5Y*: 10.13%
• 10Y*: 13.23%

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

FSST vs. FSKAX - Expense Ratio Comparison

FSST has a 0.59% expense ratio, which is higher than FSKAX's 0.02% expense ratio.

FSST

Fidelity Sustainability U.S. Equity ETF

FSKAX

Fidelity Total Market Index Fund

Return for Risk

FSST vs. FSKAX — Risk / Return Rank

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

FSKAX

FSKAX Risk / Return Rank: 45
FSKAX Sharpe Ratio Rank: 40
FSKAX Sortino Ratio Rank: 44
FSKAX Omega Ratio Rank: 48
FSKAX Calmar Ratio Rank: 41
FSKAX 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.

FSST vs. FSKAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Sustainability U.S. Equity ETF (FSST) and Fidelity Total Market Index Fund (FSKAX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	FSST	FSKAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	0.83	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.59	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.72	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.78	—

Correlation

The correlation between FSST and FSKAX is 0.93, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

FSST vs. FSKAX - Dividend Comparison

FSST's dividend yield for the trailing twelve months is around 0.14%, less than FSKAX's 1.09% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSST Fidelity Sustainability U.S. Equity ETF	0.14%	0.19%	2.01%	0.68%	1.00%	0.34%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
FSKAX Fidelity Total Market Index Fund	1.09%	1.01%	1.19%	1.41%	1.62%	1.15%	1.45%	1.94%	2.54%	2.07%	2.43%	0.82%

Drawdowns

Drawdown Indicators

	FSST	FSKAX	Difference
Max Drawdown Largest peak-to-trough decline	—	-35.01%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-12.42%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.39%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-35.01%	—
Current Drawdown Current decline from peak	—	-8.92%	—
Average Drawdown Average peak-to-trough decline	—	-4.05%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.57%	—

Volatility

Volatility by Period

	FSST	FSKAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	4.42%	—
Volatility (6M) Calculated over the trailing 6-month period	—	9.40%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	18.50%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.38%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	18.42%	—