IUSG vs. VGLT
IUSG (iShares Core S&P U.S. Growth ETF) and VGLT (Vanguard Long-Term Treasury ETF) are both exchange-traded funds - IUSG is a Large Cap Growth Equities fund tracking the S&P 900 Growth Index, while VGLT is a Government Bonds fund tracking the Bloomberg U.S. Long Treasury Index. Both are passively managed. Over the past 10 years, IUSG returned 17.63%/yr vs -1.21%/yr for VGLT. At a correlation of -0.21, they often move in opposite directions. IUSG charges 0.04%/yr vs 0.03%/yr for VGLT.
Performance
IUSG vs. VGLT - Performance Comparison
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Returns By Period
In the year-to-date period, IUSG achieves a 10.18% return, which is significantly higher than VGLT's 0.03% return. Over the past 10 years, IUSG has outperformed VGLT with an annualized return of 17.63%, while VGLT has yielded a comparatively lower -1.21% annualized return.
IUSG
- 1D
- 0.36%
- 1M
- -0.99%
- YTD
- 10.18%
- 6M
- 11.00%
- 1Y
- 29.29%
- 3Y*
- 25.32%
- 5Y*
- 14.55%
- 10Y*
- 17.63%
VGLT
- 1D
- -0.27%
- 1M
- 2.62%
- YTD
- 0.03%
- 6M
- 0.49%
- 1Y
- 4.27%
- 3Y*
- -0.30%
- 5Y*
- -5.52%
- 10Y*
- -1.21%
IUSG vs. VGLT - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IUSG iShares Core S&P U.S. Growth ETF | 10.18% | 21.23% | 34.70% | 29.28% | -28.81% | 31.26% | 32.65% | 30.62% | -0.79% | 27.02% |
VGLT Vanguard Long-Term Treasury ETF | 0.03% | 5.35% | -6.28% | 3.27% | -29.34% | -4.98% | 17.57% | 14.30% | -1.54% | 8.64% |
Correlation
The correlation between IUSG and VGLT 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 (3Y) Calculated over the trailing 3-year period | 0.13 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.06 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.06 |
Correlation (All Time) Calculated using the full available price history since Nov 24, 2009 | -0.21 |
The correlation between IUSG and VGLT shifts across timeframes, from -0.21 (all time) to 0.19 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IUSG vs. VGLT — Risk / Return Rank
IUSG
VGLT
IUSG vs. VGLT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P U.S. Growth ETF (IUSG) and Vanguard Long-Term Treasury ETF (VGLT). 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.
| IUSG | VGLT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.31 | ||
| Sortino ratioReturn per unit of downside risk | +1.69 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.07 | +0.23 |
| Calmar ratioReturn relative to maximum drawdown | 2.13 | 0.47 | +1.66 |
| Martin ratioReturn relative to average drawdown | 8.79 | 1.19 | +7.60 |
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Drawdowns
IUSG vs. VGLT - Drawdown Comparison
The maximum IUSG drawdown since its inception was -63.41%, which is greater than VGLT's maximum drawdown of -46.18%. Use the drawdown chart below to compare losses from any high point for IUSG and VGLT.
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Drawdown Indicators
| IUSG | VGLT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -63.41% | -46.18% | -17.23% |
Max Drawdown (1Y)Largest decline over 1 year | -13.07% | -7.01% | -6.06% |
Max Drawdown (3Y)Largest decline over 3 years | -22.28% | -17.68% | -4.60% |
Max Drawdown (5Y)Largest decline over 5 years | -32.21% | -40.98% | +8.77% |
Max Drawdown (10Y)Largest decline over 10 years | -32.35% | -46.18% | +13.83% |
Current DrawdownCurrent decline from peak | -4.37% | -36.55% | +32.18% |
Average DrawdownAverage peak-to-trough decline | -21.42% | -15.09% | -6.33% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.16% | 2.78% | +0.38% |
Volatility
IUSG vs. VGLT - Volatility Comparison
iShares Core S&P U.S. Growth ETF (IUSG) has a higher volatility of 6.20% compared to Vanguard Long-Term Treasury ETF (VGLT) at 2.69%. This indicates that IUSG's price experiences larger fluctuations and is considered to be riskier than VGLT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IUSG | VGLT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.20% | 2.69% | +3.51% |
Volatility (6M)Calculated over the trailing 6-month period | 13.25% | 6.09% | +7.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.46% | 8.78% | +7.68% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.97% | 14.57% | +6.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.46% | 13.82% | +6.64% |
IUSG vs. VGLT - Expense Ratio Comparison
IUSG has a 0.04% expense ratio, which is higher than VGLT's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IUSG vs. VGLT - Dividend Comparison
IUSG's dividend yield for the trailing twelve months is around 0.49%, less than VGLT's 4.59% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IUSG iShares Core S&P U.S. Growth ETF | 0.49% | 0.53% | 0.59% | 1.12% | 1.07% | 0.59% | 0.93% | 1.64% | 1.32% | 1.28% | 1.48% | 1.29% |
VGLT Vanguard Long-Term Treasury ETF | 4.59% | 4.44% | 4.33% | 3.33% | 2.84% | 1.82% | 2.15% | 2.46% | 2.71% | 2.55% | 2.69% | 3.21% |
Frequently Asked Questions
IUSG and VGLT 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.
IUSG has higher volatility (6.20%) compared to VGLT (2.69%). In terms of maximum drawdown, IUSG dropped -63.41% vs VGLT's -46.18%.
On 10-year performance, IUSG leads with 17.63% vs -1.21% for VGLT. On fees, VGLT is cheaper at 0.03% per year. On volatility, VGLT has been the lower-risk option at 2.69%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IUSG has performed better with a 17.63% return vs -1.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGLT is cheaper with a 0.03% expense ratio, compared with 0.04% for IUSG.
VGLT has the higher dividend yield at 4.59%, compared with 0.49% for IUSG.
IUSG is categorized as Large Cap Growth Equities, while VGLT is Government Bonds. IUSG tracks S&P 900 Growth Index, while VGLT tracks Bloomberg U.S. Long Treasury Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.04% for IUSG and 0.03% for VGLT.
IUSG currently has the higher Sharpe Ratio (1.69 vs 0.38), 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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