GSST vs. FLDB

Last updated Jun 24, 2026

GSST (Goldman Sachs Ultra Short Bond ETF) and FLDB (Fidelity Low Duration Bond ETF) are both exchange-traded funds - GSST is a Ultrashort Bond fund actively managed by Goldman Sachs, while FLDB is a Short-Term Bond fund actively managed by Fidelity. Both are actively managed. Over the past year, GSST returned 4.51% vs 4.16% for FLDB. At a 0.29 correlation, their price movements are largely independent. GSST charges 0.16%/yr vs 0.20%/yr for FLDB.

Performance

GSST vs. FLDB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Goldman Sachs Ultra Short Bond ETF (GSST) and Fidelity Low Duration Bond ETF (FLDB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GSST achieves a 1.74% return, which is significantly higher than FLDB's 1.57% return.

GSST

• 1D: 0.02%
• 1M: 0.32%
• YTD: 1.74%
• 6M: 1.83%
• 1Y: 4.51%
• 3Y*: 5.48%
• 5Y*: 3.78%
• 10Y*: —

FLDB

• 1D: 0.04%
• 1M: 0.34%
• YTD: 1.57%
• 6M: 1.69%
• 1Y: 4.16%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GSST vs. FLDB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
GSST Goldman Sachs Ultra Short Bond ETF	1.74%	5.20%	5.13%
FLDB Fidelity Low Duration Bond ETF	1.57%	4.93%	4.11%

Correlation

The correlation between GSST and FLDB is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.34
Correlation (All Time) Calculated using the full available price history since Feb 26, 2024	0.29

Return for Risk

GSST vs. FLDB — Risk / Return Rank

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

GSST

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

FLDB

FLDB Risk / Return Rank: 98
FLDB Sharpe Ratio Rank: 97
FLDB Sortino Ratio Rank: 98
FLDB Omega Ratio Rank: 98
FLDB Calmar Ratio Rank: 99
FLDB Martin Ratio Rank: 99

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.

GSST vs. FLDB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Ultra Short Bond ETF (GSST) and Fidelity Low Duration Bond ETF (FLDB). 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.

	GSST	FLDB	Difference
Sharpe ratio: Return per unit of total volatility	7.72	4.54	+3.18
Sortino ratio: Return per unit of downside risk	16.01	8.14	+7.86
Omega ratio: Gain probability vs. loss probability	3.77	2.07	+1.70
Calmar ratio: Return relative to maximum drawdown	29.31	24.90	+4.41
Martin ratio: Return relative to average drawdown	180.23	91.30	+88.93

GSST vs. FLDB - Sharpe Ratio Comparison

The current GSST Sharpe Ratio is 7.72, which is higher than the FLDB Sharpe Ratio of 4.54. The chart below compares the historical Sharpe Ratios of GSST and FLDB, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

GSST vs. FLDB - Drawdown Comparison

The maximum GSST drawdown since its inception was -3.51%, which is greater than FLDB's maximum drawdown of -0.49%. Use the drawdown chart below to compare losses from any high point for GSST and FLDB.

Drawdown Indicators

	GSST	FLDB	Difference
Max Drawdown Largest peak-to-trough decline	-3.51%	-0.49%	-3.02%
Max Drawdown (1Y) Largest decline over 1 year	-0.15%	-0.17%	+0.02%
Max Drawdown (3Y) Largest decline over 3 years	-0.25%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-1.19%	—	—
Current Drawdown Current decline from peak	0.00%	-0.03%	+0.03%
Average Drawdown Average peak-to-trough decline	-0.16%	-0.05%	-0.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.03%	0.05%	-0.02%

Volatility

GSST vs. FLDB - Volatility Comparison

The current volatility for Goldman Sachs Ultra Short Bond ETF (GSST) is 0.14%, while Fidelity Low Duration Bond ETF (FLDB) has a volatility of 0.36%. This indicates that GSST experiences smaller price fluctuations and is considered to be less risky than FLDB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GSST	FLDB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.14%	0.36%	-0.22%
Volatility (6M) Calculated over the trailing 6-month period	0.41%	0.64%	-0.23%
Volatility (1Y) Calculated over the trailing 1-year period	0.59%	0.92%	-0.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.63%	1.31%	-0.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.86%	1.31%	-0.45%

GSST vs. FLDB - Expense Ratio Comparison

GSST has a 0.16% expense ratio, which is lower than FLDB's 0.20% 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%.

Dividends

GSST vs. FLDB - Dividend Comparison

GSST's dividend yield for the trailing twelve months is around 4.31%, less than FLDB's 4.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
FLDB Fidelity Low Duration Bond ETF	4.44%	4.72%	3.58%	0.00%	0.00%	0.00%	0.00%	0.00%
GSST Goldman Sachs Ultra Short Bond ETF	4.31%	4.56%	5.45%	4.98%	1.97%	0.71%	1.12%	1.66%

Frequently Asked Questions

Can I hold both GSST and FLDB in my portfolio?

GSST and FLDB have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GSST or FLDB?

FLDB has higher volatility (0.36%) compared to GSST (0.14%). In terms of maximum drawdown, GSST dropped -3.51% vs FLDB's -0.49%.

Which ETF is better, GSST or FLDB?

On 1-year performance, GSST leads with 4.51% vs 4.16% for FLDB. On fees, GSST is cheaper at 0.16% per year. On volatility, GSST has been the lower-risk option at 0.14%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GSST or FLDB?

Over the 1-year period, GSST has performed better with a 4.51% return vs 4.16%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GSST or FLDB?

GSST is cheaper with a 0.16% expense ratio, compared with 0.20% for FLDB.

Which ETF pays a higher dividend yield, GSST or FLDB?

FLDB has the higher dividend yield at 4.44%, compared with 4.31% for GSST.

What is the main difference between GSST and FLDB?

GSST is categorized as Ultrashort Bond, while FLDB is Short-Term Bond. They also come from different issuers: Goldman Sachs and Fidelity. Their fees differ too: 0.16% for GSST and 0.20% for FLDB.

Which has better risk-adjusted returns?

GSST currently has the higher Sharpe Ratio (7.72 vs 4.54), 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.