IBTG vs. SMBS
Compare and contrast key facts about iShares iBonds Dec 2026 Term Treasury ETF (IBTG) and Schwab Mortgage-Backed Securities ETF (SMBS).
IBTG and SMBS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IBTG is a passively managed fund by iShares that tracks the performance of the ICE 2026 Maturity US Treasury Index. It was launched on Feb 25, 2020. SMBS is a passively managed fund by Charles Schwab that tracks the performance of the Bloomberg US MBS Float Adjusted Total Return Index. It was launched on Nov 18, 2024. Both IBTG and SMBS are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
IBTG vs. SMBS - Performance Comparison
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IBTG vs. SMBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBTG iShares iBonds Dec 2026 Term Treasury ETF | 0.82% | 4.40% | 0.71% |
SMBS Schwab Mortgage-Backed Securities ETF | 0.36% | 8.15% | -0.07% |
Returns By Period
In the year-to-date period, IBTG achieves a 0.82% return, which is significantly higher than SMBS's 0.36% return.
IBTG
- 1D
- 0.00%
- 1M
- 0.26%
- YTD
- 0.82%
- 6M
- 1.82%
- 1Y
- 3.98%
- 3Y*
- 3.77%
- 5Y*
- 0.86%
- 10Y*
- —
SMBS
- 1D
- 0.20%
- 1M
- -1.67%
- YTD
- 0.36%
- 6M
- 1.92%
- 1Y
- 5.33%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
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IBTG vs. SMBS - Expense Ratio Comparison
IBTG has a 0.07% expense ratio, which is higher than SMBS'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%.
Return for Risk
IBTG vs. SMBS — Risk / Return Rank
IBTG
SMBS
IBTG vs. SMBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2026 Term Treasury ETF (IBTG) and Schwab Mortgage-Backed Securities ETF (SMBS). 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.
| IBTG | SMBS | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 6.12 | 1.12 | +5.00 |
Sortino ratioReturn per unit of downside risk | 11.94 | 1.61 | +10.33 |
Omega ratioGain probability vs. loss probability | 2.98 | 1.20 | +1.78 |
Calmar ratioReturn relative to maximum drawdown | 17.55 | 1.94 | +15.60 |
Martin ratioReturn relative to average drawdown | 84.44 | 5.61 | +78.83 |
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
| IBTG | SMBS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 6.12 | 1.12 | +5.00 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.26 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.26 | 1.27 | -1.01 |
Correlation
The correlation between IBTG and SMBS is 0.38, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
IBTG vs. SMBS - Dividend Comparison
IBTG's dividend yield for the trailing twelve months is around 4.01%, less than SMBS's 4.80% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
IBTG iShares iBonds Dec 2026 Term Treasury ETF | 4.01% | 4.03% | 4.08% | 3.61% | 2.06% | 0.66% | 0.53% |
SMBS Schwab Mortgage-Backed Securities ETF | 4.80% | 4.83% | 0.50% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
IBTG vs. SMBS - Drawdown Comparison
The maximum IBTG drawdown since its inception was -13.62%, which is greater than SMBS's maximum drawdown of -3.20%. Use the drawdown chart below to compare losses from any high point for IBTG and SMBS.
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Drawdown Indicators
| IBTG | SMBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.62% | -3.20% | -10.42% |
Max Drawdown (1Y)Largest decline over 1 year | -0.23% | -2.83% | +2.60% |
Max Drawdown (5Y)Largest decline over 5 years | -12.31% | — | — |
Current DrawdownCurrent decline from peak | 0.00% | -1.67% | +1.67% |
Average DrawdownAverage peak-to-trough decline | -5.04% | -0.77% | -4.27% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.05% | 0.98% | -0.93% |
Volatility
IBTG vs. SMBS - Volatility Comparison
The current volatility for iShares iBonds Dec 2026 Term Treasury ETF (IBTG) is 0.12%, while Schwab Mortgage-Backed Securities ETF (SMBS) has a volatility of 1.82%. This indicates that IBTG experiences smaller price fluctuations and is considered to be less risky than SMBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBTG | SMBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.12% | 1.82% | -1.70% |
Volatility (6M)Calculated over the trailing 6-month period | 0.34% | 2.75% | -2.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.66% | 4.77% | -4.11% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 3.29% | 4.92% | -1.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.50% | 4.92% | -1.42% |