GOVT vs. SPTI
GOVT (iShares U.S. Treasury Bond ETF) and SPTI (SPDR Portfolio Intermediate Term Treasury ETF) are both Government Bonds funds - GOVT tracks the ICE U.S. Treasury Core Bond Index while SPTI tracks the Bloomberg 3-10 Year U.S. Treasury Bond Index. Both are passively managed. Over the past 10 years, GOVT returned 0.79%/yr vs 1.28%/yr for SPTI. Their correlation of 0.90 suggests significant overlap in exposure. GOVT charges 0.05%/yr vs 0.06%/yr for SPTI.
Performance
GOVT vs. SPTI - Performance Comparison
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Returns By Period
In the year-to-date period, GOVT achieves a -0.44% return, which is significantly higher than SPTI's -0.73% return. Over the past 10 years, GOVT has underperformed SPTI with an annualized return of 0.79%, while SPTI has yielded a comparatively higher 1.28% annualized return.
GOVT
- 1D
- -0.11%
- 1M
- -0.70%
- YTD
- -0.44%
- 6M
- -0.15%
- 1Y
- 3.62%
- 3Y*
- 2.77%
- 5Y*
- -0.59%
- 10Y*
- 0.79%
SPTI
- 1D
- 0.00%
- 1M
- -0.87%
- YTD
- -0.73%
- 6M
- -0.38%
- 1Y
- 3.61%
- 3Y*
- 3.42%
- 5Y*
- -0.07%
- 10Y*
- 1.28%
GOVT vs. SPTI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GOVT iShares U.S. Treasury Bond ETF | -0.44% | 3.77% | 2.95% | 4.17% | -13.39% | -1.11% | 7.28% | 7.36% | 0.26% | 2.19% |
SPTI SPDR Portfolio Intermediate Term Treasury ETF | -0.73% | 7.46% | 1.32% | 4.24% | -10.65% | -2.55% | 7.70% | 6.01% | 2.27% | 1.04% |
Correlation
The correlation between GOVT and SPTI is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.96 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.96 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Feb 27, 2012 | 0.90 |
The correlation between GOVT and SPTI has been stable across timeframes, ranging from 0.90 to 0.96 - a consistent structural relationship.
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Return for Risk
GOVT vs. SPTI — Risk / Return Rank
GOVT
SPTI
GOVT vs. SPTI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares U.S. Treasury Bond ETF (GOVT) and SPDR Portfolio Intermediate Term Treasury ETF (SPTI). 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.
| GOVT | SPTI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.06 | ||
| Sortino ratioReturn per unit of downside risk | -0.11 | ||
| Omega ratioGain probability vs. loss probability | 1.17 | 1.19 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.27 | 1.30 | -0.02 |
| Martin ratioReturn relative to average drawdown | 3.66 | 3.79 | -0.13 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GOVT | SPTI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.02 | 1.09 | -0.06 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.10 | -0.01 | -0.08 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.15 | 0.29 | -0.14 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.25 | 0.54 | -0.29 |
Drawdowns
GOVT vs. SPTI - Drawdown Comparison
The maximum GOVT drawdown since its inception was -19.07%, which is greater than SPTI's maximum drawdown of -16.12%. Use the drawdown chart below to compare losses from any high point for GOVT and SPTI.
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Drawdown Indicators
| GOVT | SPTI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.07% | -16.12% | -2.95% |
Max Drawdown (1Y)Largest decline over 1 year | -2.85% | -2.80% | -0.05% |
Max Drawdown (3Y)Largest decline over 3 years | -5.43% | -4.35% | -1.08% |
Max Drawdown (5Y)Largest decline over 5 years | -16.60% | -15.06% | -1.54% |
Max Drawdown (10Y)Largest decline over 10 years | -19.07% | -16.12% | -2.95% |
Current DrawdownCurrent decline from peak | -7.48% | -2.70% | -4.78% |
Average DrawdownAverage peak-to-trough decline | -5.25% | -2.92% | -2.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 0.95% | +0.04% |
Volatility
GOVT vs. SPTI - Volatility Comparison
iShares U.S. Treasury Bond ETF (GOVT) and SPDR Portfolio Intermediate Term Treasury ETF (SPTI) have volatilities of 1.05% and 1.04%, 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.
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Volatility by Period
| GOVT | SPTI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.05% | 1.04% | +0.01% |
Volatility (6M)Calculated over the trailing 6-month period | 2.53% | 2.36% | +0.17% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.56% | 3.35% | +0.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.04% | 5.36% | +0.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.23% | 4.37% | +0.86% |
GOVT vs. SPTI - Expense Ratio Comparison
GOVT has a 0.05% expense ratio, which is lower than SPTI's 0.06% 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
GOVT vs. SPTI - Dividend Comparison
GOVT's dividend yield for the trailing twelve months is around 3.60%, less than SPTI's 3.87% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GOVT iShares U.S. Treasury Bond ETF | 3.60% | 3.49% | 3.14% | 2.65% | 1.77% | 0.96% | 2.17% | 1.98% | 1.97% | 1.57% | 1.40% | 1.25% |
SPTI SPDR Portfolio Intermediate Term Treasury ETF | 3.87% | 3.79% | 3.77% | 2.99% | 1.45% | 0.53% | 0.75% | 2.02% | 1.97% | 1.46% | 1.23% | 1.18% |
Frequently Asked Questions
With a correlation of 0.96, GOVT and SPTI move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
GOVT has higher volatility (1.05%) compared to SPTI (1.04%). In terms of maximum drawdown, GOVT dropped -19.07% vs SPTI's -16.12%.
On 10-year performance, SPTI leads with 1.28% vs 0.79% for GOVT. On fees, GOVT is cheaper at 0.05% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, SPTI has performed better with a 1.28% return vs 0.79%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
GOVT is cheaper with a 0.05% expense ratio, compared with 0.06% for SPTI.
SPTI has the higher dividend yield at 3.87%, compared with 3.60% for GOVT.
GOVT tracks ICE U.S. Treasury Core Bond Index, while SPTI tracks Bloomberg 3-10 Year U.S. Treasury Bond Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.05% for GOVT and 0.06% for SPTI.
SPTI currently has the higher Sharpe Ratio (1.09 vs 1.02), 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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