FSST vs. IBID

Last updated Jun 24, 2026

FSST (Fidelity Sustainability U.S. Equity ETF) and IBID (iShares iBonds Oct 2027 Term TIPS ETF) are both exchange-traded funds - FSST is a Sustainable fund tracking the Russell 3000, while IBID is a Inflation-Protected Bonds fund tracking the ICE 2027 Maturity US Inflation-Linked Treasury Index. Both are passively managed. At a 0.02 correlation, their price movements are largely independent. FSST charges 0.59%/yr vs 0.10%/yr for IBID.

Performance

FSST vs. IBID - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Sustainability U.S. Equity ETF (FSST) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

FSST

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

IBID

• 1D: -0.05%
• 1M: -0.25%
• YTD: 1.94%
• 6M: 2.03%
• 1Y: 3.92%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

FSST vs. IBID - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
FSST Fidelity Sustainability U.S. Equity ETF	0.00%	15.40%	21.40%	6.94%
IBID iShares iBonds Oct 2027 Term TIPS ETF	1.94%	5.66%	4.71%	2.61%

Correlation

The correlation between FSST and IBID is -0.17, 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	-0.17
Correlation (All Time) Calculated using the full available price history since Sep 15, 2023	0.02

The correlation between FSST and IBID shifts across timeframes, from -0.17 (1 year) to 0.02 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FSST vs. IBID — Risk / Return Rank

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

FSST

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

IBID

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

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. IBID - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Sustainability U.S. Equity ETF (FSST) and iShares iBonds Oct 2027 Term TIPS ETF (IBID). 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.

	FSST	IBID	Difference
Sharpe ratio: Return per unit of total volatility	—	3.19	—
Sortino ratio: Return per unit of downside risk	—	5.38	—
Omega ratio: Gain probability vs. loss probability	—	1.72	—
Calmar ratio: Return relative to maximum drawdown	—	7.20	—
Martin ratio: Return relative to average drawdown	—	29.14	—

Drawdowns

Drawdown Indicators

	FSST	IBID	Difference
Max Drawdown Largest peak-to-trough decline	—	-1.28%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-0.55%	—
Current Drawdown Current decline from peak	—	-0.55%	—
Average Drawdown Average peak-to-trough decline	—	-0.22%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.13%	—

Volatility

Volatility by Period

	FSST	IBID	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.35%	—
Volatility (6M) Calculated over the trailing 6-month period	—	0.86%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	1.23%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	2.24%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	2.24%	—

FSST vs. IBID - Expense Ratio Comparison

FSST has a 0.59% expense ratio, which is higher than IBID's 0.10% expense ratio.

Dividends

FSST vs. IBID - Dividend Comparison

FSST has not paid dividends to shareholders, while IBID's dividend yield for the trailing twelve months is around 3.68%.

Position	TTM	2025	2024	2023	2022	2021
FSST Fidelity Sustainability U.S. Equity ETF	0.10%	0.19%	2.01%	0.68%	1.00%	0.34%
IBID iShares iBonds Oct 2027 Term TIPS ETF	3.68%	4.43%	4.24%	0.81%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FSST and IBID in my portfolio?

FSST and IBID have a correlation of -0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, FSST or IBID?

On fees, IBID is cheaper at 0.10% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, FSST or IBID?

IBID is cheaper with a 0.10% expense ratio, compared with 0.59% for FSST.

Which ETF pays a higher dividend yield, FSST or IBID?

IBID has the higher dividend yield at 3.68%, compared with 0.10% for FSST.

What is the main difference between FSST and IBID?

FSST is categorized as Sustainable, while IBID is Inflation-Protected Bonds. FSST tracks Russell 3000, while IBID tracks ICE 2027 Maturity US Inflation-Linked Treasury Index. They also come from different issuers: Fidelity and iShares. Their fees differ too: 0.59% for FSST and 0.10% for IBID.