SIHY vs. SHY
SIHY (Harbor Scientific Alpha High-Yield ETF) and SHY (iShares 1-3 Year Treasury Bond ETF) are both exchange-traded funds - SIHY is a High Yield Bonds fund tracking the ICE BofA US High Yield, while SHY is a Government Bonds fund tracking the ICE US Treasury 1-3 Year Index. Both are passively managed. Over the past 3 years, SIHY returned 9.46%/yr vs 4.15%/yr for SHY. At a 0.40 correlation, their price movements are largely independent. SIHY charges 0.48%/yr vs 0.15%/yr for SHY.
Performance
SIHY vs. SHY - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, SIHY achieves a 2.17% return, which is significantly higher than SHY's 0.55% return.
SIHY
- 1D
- -0.09%
- 1M
- 1.34%
- YTD
- 2.17%
- 6M
- 2.61%
- 1Y
- 8.13%
- 3Y*
- 9.46%
- 5Y*
- —
- 10Y*
- —
SHY
- 1D
- -0.02%
- 1M
- 0.31%
- YTD
- 0.55%
- 6M
- 0.80%
- 1Y
- 3.29%
- 3Y*
- 4.15%
- 5Y*
- 1.74%
- 10Y*
- 1.65%
SIHY vs. SHY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SIHY Harbor Scientific Alpha High-Yield ETF | 2.17% | 8.13% | 8.67% | 13.31% | -7.73% | 0.18% |
SHY iShares 1-3 Year Treasury Bond ETF | 0.55% | 4.95% | 3.92% | 4.16% | -3.88% | -0.71% |
Correlation
The correlation between SIHY and SHY is 0.41, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.41 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.45 |
Correlation (All Time) Calculated using the full available price history since Sep 16, 2021 | 0.40 |
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
SIHY vs. SHY — Risk / Return Rank
SIHY
SHY
SIHY vs. SHY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Harbor Scientific Alpha High-Yield ETF (SIHY) and iShares 1-3 Year Treasury Bond ETF (SHY). 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.
| SIHY | SHY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.53 | ||
| Sortino ratioReturn per unit of downside risk | -1.01 | ||
| Omega ratioGain probability vs. loss probability | 1.37 | 1.50 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | 2.51 | 3.64 | -1.13 |
| Martin ratioReturn relative to average drawdown | 10.38 | 14.45 | -4.07 |
Loading charts...
Drawdowns
SIHY vs. SHY - Drawdown Comparison
The maximum SIHY drawdown since its inception was -13.30%, which is greater than SHY's maximum drawdown of -5.71%. Use the drawdown chart below to compare losses from any high point for SIHY and SHY.
Loading charts...
Drawdown Indicators
| SIHY | SHY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.30% | -5.71% | -7.59% |
Max Drawdown (1Y)Largest decline over 1 year | -3.17% | -0.89% | -2.28% |
Max Drawdown (3Y)Largest decline over 3 years | -5.36% | -0.97% | -4.39% |
Max Drawdown (5Y)Largest decline over 5 years | — | -5.71% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -5.71% | — |
Current DrawdownCurrent decline from peak | -0.09% | -0.18% | +0.09% |
Average DrawdownAverage peak-to-trough decline | -2.76% | -0.52% | -2.24% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.76% | 0.22% | +0.54% |
Volatility
SIHY vs. SHY - Volatility Comparison
Harbor Scientific Alpha High-Yield ETF (SIHY) has a higher volatility of 1.19% compared to iShares 1-3 Year Treasury Bond ETF (SHY) at 0.40%. This indicates that SIHY's price experiences larger fluctuations and is considered to be riskier than SHY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| SIHY | SHY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.19% | 0.40% | +0.79% |
Volatility (6M)Calculated over the trailing 6-month period | 3.12% | 0.95% | +2.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.18% | 1.33% | +2.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 7.56% | 1.99% | +5.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 7.56% | 1.57% | +5.99% |
SIHY vs. SHY - Expense Ratio Comparison
SIHY has a 0.48% expense ratio, which is higher than SHY's 0.15% expense ratio.
Dividends
SIHY vs. SHY - Dividend Comparison
SIHY's dividend yield for the trailing twelve months is around 7.23%, more than SHY's 3.68% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SHY iShares 1-3 Year Treasury Bond ETF | 3.68% | 3.81% | 3.92% | 2.99% | 1.30% | 0.26% | 0.94% | 2.12% | 1.72% | 0.98% | 0.71% | 0.54% |
SIHY Harbor Scientific Alpha High-Yield ETF | 7.23% | 7.61% | 7.54% | 7.06% | 6.31% | 1.30% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SIHY and SHY have a correlation of 0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SIHY has higher volatility (1.19%) compared to SHY (0.40%). In terms of maximum drawdown, SIHY dropped -13.30% vs SHY's -5.71%.
On 3-year performance, SIHY leads with 9.46% vs 4.15% for SHY. On fees, SHY is cheaper at 0.15% per year. On volatility, SHY has been the lower-risk option at 0.40%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, SIHY has performed better with a 9.46% return vs 4.15%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SHY is cheaper with a 0.15% expense ratio, compared with 0.48% for SIHY.
SIHY has the higher dividend yield at 7.23%, compared with 3.68% for SHY.
SIHY is categorized as High Yield Bonds, while SHY is Government Bonds. SIHY tracks ICE BofA US High Yield, while SHY tracks ICE US Treasury 1-3 Year Index. They also come from different issuers: Harbor and iShares. Their fees differ too: 0.48% for SIHY and 0.15% for SHY.
SHY currently has the higher Sharpe Ratio (2.43 vs 1.90), 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.
Find the right allocation for SIHY and SHY
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer