STOT vs. FLDB

Last updated Jun 4, 2026

STOT (State Street DoubleLine Short Duration Total Return Tactical ETF) and FLDB (Fidelity Low Duration Bond ETF) are both Short-Term Bond funds. STOT is passively managed, while FLDB is actively managed. Over the past year, STOT returned 4.20% vs 4.19% for FLDB. At a 0.17 correlation, their price movements are largely independent. STOT charges 0.45%/yr vs 0.20%/yr for FLDB.

Performance

STOT vs. FLDB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street DoubleLine Short Duration Total Return Tactical ETF (STOT) 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, STOT achieves a 0.97% return, which is significantly lower than FLDB's 1.28% return.

STOT

• 1D: -0.04%
• 1M: 0.18%
• YTD: 0.97%
• 6M: 1.26%
• 1Y: 4.20%
• 3Y*: 5.32%
• 5Y*: 2.81%
• 10Y*: 2.43%

FLDB

• 1D: -0.13%
• 1M: 0.19%
• YTD: 1.28%
• 6M: 1.64%
• 1Y: 4.19%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

STOT vs. FLDB - Yearly Performance Comparison

	2026 (YTD)	2025	2024
STOT State Street DoubleLine Short Duration Total Return Tactical ETF	0.97%	5.56%	4.69%
FLDB Fidelity Low Duration Bond ETF	1.28%	4.93%	4.29%

Correlation

The correlation between STOT and FLDB is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.19
Correlation (All Time) Calculated using the full available price history since Feb 27, 2024	0.17

Return for Risk

STOT vs. FLDB — Risk / Return Rank

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

STOT

STOT Risk / Return Rank: 94
STOT Sharpe Ratio Rank: 95
STOT Sortino Ratio Rank: 97
STOT Omega Ratio Rank: 96
STOT Calmar Ratio Rank: 90
STOT Martin Ratio Rank: 93

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.

STOT vs. FLDB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street DoubleLine Short Duration Total Return Tactical ETF (STOT) 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.

	STOT	FLDB	Difference
Sharpe ratio Return per unit of total volatility	3.81	4.67	-0.86
Sortino ratio Return per unit of downside risk	5.93	8.43	-2.49
Omega ratio Gain probability vs. loss probability	1.79	2.11	-0.32
Calmar ratio Return relative to maximum drawdown	5.52	25.08	-19.57
Martin ratio Return relative to average drawdown	24.02	93.63	-69.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STOT vs. FLDB - Sharpe Ratio Comparison

The current STOT Sharpe Ratio is 3.81, which is comparable to the FLDB Sharpe Ratio of 4.67. The chart below compares the historical Sharpe Ratios of STOT 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.

Sharpe Ratios by Period

	STOT	FLDB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.81	4.67	-0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.63	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	1.11	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.11	3.56	-2.45

Drawdowns

STOT vs. FLDB - Drawdown Comparison

The maximum STOT drawdown since its inception was -6.07%, which is greater than FLDB's maximum drawdown of -0.49%. Use the drawdown chart below to compare losses from any high point for STOT and FLDB.

Drawdown Indicators

	STOT	FLDB	Difference
Max Drawdown Largest peak-to-trough decline	-6.07%	-0.49%	-5.58%
Max Drawdown (1Y) Largest decline over 1 year	-0.76%	-0.17%	-0.59%
Max Drawdown (3Y) Largest decline over 3 years	-0.76%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-6.07%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-6.07%	—	—
Current Drawdown Current decline from peak	-0.07%	-0.13%	+0.06%
Average Drawdown Average peak-to-trough decline	-0.84%	-0.05%	-0.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.18%	0.04%	+0.14%

Volatility

STOT vs. FLDB - Volatility Comparison

State Street DoubleLine Short Duration Total Return Tactical ETF (STOT) and Fidelity Low Duration Bond ETF (FLDB) have volatilities of 0.33% and 0.34%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STOT	FLDB	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.33%	0.34%	-0.01%
Volatility (6M) Calculated over the trailing 6-month period	0.84%	0.61%	+0.23%
Volatility (1Y) Calculated over the trailing 1-year period	1.11%	0.91%	+0.20%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.73%	1.31%	+0.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.20%	1.31%	+0.89%

STOT vs. FLDB - Expense Ratio Comparison

STOT has a 0.45% expense ratio, which is higher than FLDB's 0.20% expense ratio.

Dividends

STOT vs. FLDB - Dividend Comparison

STOT's dividend yield for the trailing twelve months is around 4.41%, which matches FLDB's 4.45% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
FLDB Fidelity Low Duration Bond ETF	4.45%	4.72%	3.58%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
STOT State Street DoubleLine Short Duration Total Return Tactical ETF	4.41%	4.52%	5.10%	4.53%	2.54%	1.76%	1.66%	2.61%	2.50%	1.95%	2.08%

Frequently Asked Questions

Can I hold both STOT and FLDB in my portfolio?

STOT and FLDB have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, STOT or FLDB?

FLDB has higher volatility (0.34%) compared to STOT (0.33%). In terms of maximum drawdown, STOT dropped -6.07% vs FLDB's -0.49%.

Which ETF is better, STOT or FLDB?

On 1-year performance, STOT leads with 4.20% vs 4.19% for FLDB. On fees, FLDB is cheaper at 0.20% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, STOT or FLDB?

Over the 1-year period, STOT has performed better with a 4.20% return vs 4.19%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, STOT or FLDB?

FLDB is cheaper with a 0.20% expense ratio, compared with 0.45% for STOT.

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

FLDB has the higher dividend yield at 4.45%, compared with 4.41% for STOT.

What is the main difference between STOT and FLDB?

They also come from different issuers: State Street and Fidelity. Their fees differ too: 0.45% for STOT and 0.20% for FLDB.

Which has better risk-adjusted returns?

FLDB currently has the higher Sharpe Ratio (4.67 vs 3.81), 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.