STOT vs. ZTWO
STOT (State Street DoubleLine Short Duration Total Return Tactical ETF) and ZTWO (F/M 2-Year Investment Grade Corporate Bond ETF) are both Short-Term Bond funds - STOT tracks the Bloomberg U.S. Aggregate 1-3 Year Index while ZTWO tracks the ICE 2-Year US Target Maturity Corporate Index - Benchmark TR Gross. Both are passively managed. Over the past year, STOT returned 3.78% vs 3.62% for ZTWO. A 0.58 correlation means they provide meaningful diversification when combined. STOT charges 0.45%/yr vs 0.15%/yr for ZTWO.
Performance
STOT vs. ZTWO - Performance Comparison
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Returns By Period
In the year-to-date period, STOT achieves a 1.16% return, which is significantly higher than ZTWO's 1.10% return.
STOT
- 1D
- -0.09%
- 1M
- 0.05%
- 6M
- 1.10%
- YTD
- 1.16%
- 1Y
- 3.78%
- 3Y*
- 5.12%
- 5Y*
- 2.80%
- 10Y*
- 2.38%
ZTWO
- 1D
- -0.11%
- 1M
- 0.11%
- 6M
- 1.07%
- YTD
- 1.10%
- 1Y
- 3.62%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
STOT vs. ZTWO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
STOT State Street DoubleLine Short Duration Total Return Tactical ETF | 1.16% | 5.56% | 0.28% |
ZTWO F/M 2-Year Investment Grade Corporate Bond ETF | 1.10% | 5.49% | 0.36% |
Correlation
The correlation between STOT and ZTWO is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.67 |
Correlation (All Time) Calculated using the full available price history since Dec 19, 2024 | 0.58 |
The correlation between STOT and ZTWO has been stable across timeframes, ranging from 0.58 to 0.67 - a consistent structural relationship.
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Return for Risk
STOT vs. ZTWO — Risk / Return Rank
STOT
ZTWO
STOT vs. ZTWO - 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 F/M 2-Year Investment Grade Corporate Bond ETF (ZTWO). 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.
| STOT | ZTWO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.68 | ||
| Sortino ratioReturn per unit of downside risk | +0.84 | ||
| Omega ratioGain probability vs. loss probability | 1.67 | 1.54 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | 4.97 | 3.89 | +1.08 |
| Martin ratioReturn relative to average drawdown | 21.48 | 18.27 | +3.22 |
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Drawdowns
STOT vs. ZTWO - Drawdown Comparison
The maximum STOT drawdown since its inception was -6.07%, which is greater than ZTWO's maximum drawdown of -0.93%. Use the drawdown chart below to compare losses from any high point for STOT and ZTWO.
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Drawdown Indicators
| STOT | ZTWO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.07% | -0.93% | -5.14% |
Max Drawdown (1Y)Largest decline over 1 year | -0.76% | -0.93% | +0.17% |
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 DrawdownCurrent decline from peak | -0.19% | -0.24% | +0.05% |
Average DrawdownAverage peak-to-trough decline | -0.83% | -0.10% | -0.73% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.18% | 0.20% | -0.02% |
Volatility
STOT vs. ZTWO - Volatility Comparison
The current volatility for State Street DoubleLine Short Duration Total Return Tactical ETF (STOT) is 0.39%, while F/M 2-Year Investment Grade Corporate Bond ETF (ZTWO) has a volatility of 0.49%. This indicates that STOT experiences smaller price fluctuations and is considered to be less risky than ZTWO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| STOT | ZTWO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.39% | 0.49% | -0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 0.89% | 1.06% | -0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.13% | 1.36% | -0.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.73% | 1.50% | +0.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.20% | 1.50% | +0.70% |
STOT vs. ZTWO - Expense Ratio Comparison
STOT has a 0.45% expense ratio, which is higher than ZTWO's 0.15% expense ratio.
Dividends
STOT vs. ZTWO - Dividend Comparison
STOT's dividend yield for the trailing twelve months is around 4.43%, more than ZTWO's 4.08% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
STOT State Street DoubleLine Short Duration Total Return Tactical ETF | 4.43% | 4.52% | 5.10% | 4.53% | 2.54% | 1.76% | 1.66% | 2.61% | 2.50% | 1.95% | 2.08% |
ZTWO F/M 2-Year Investment Grade Corporate Bond ETF | 4.08% | 4.31% | 0.39% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
STOT and ZTWO have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ZTWO has higher volatility (0.49%) compared to STOT (0.39%). In terms of maximum drawdown, STOT dropped -6.07% vs ZTWO's -0.93%.
On 1-year performance, STOT leads with 3.78% vs 3.62% for ZTWO. On fees, ZTWO is cheaper at 0.15% per year. On volatility, STOT has been the lower-risk option at 0.39%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, STOT has performed better with a 3.78% return vs 3.62%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ZTWO is cheaper with a 0.15% expense ratio, compared with 0.45% for STOT.
STOT has the higher dividend yield at 4.43%, compared with 4.08% for ZTWO.
STOT tracks Bloomberg U.S. Aggregate 1-3 Year Index, while ZTWO tracks ICE 2-Year US Target Maturity Corporate Index - Benchmark TR Gross. They also come from different issuers: State Street and F/m. Their fees differ too: 0.45% for STOT and 0.15% for ZTWO.
STOT currently has the higher Sharpe Ratio (3.35 vs 2.68), 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.
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