IBGL vs. BNDD
IBGL (iShares iBonds Dec 2055 Term Treasury ETF) and BNDD (Quadratic Deflation ETF) are both Government Bonds funds. IBGL is passively managed, while BNDD is actively managed. Over the past year, IBGL returned 4.26% vs 4.44% for BNDD. A 0.66 correlation means they provide meaningful diversification when combined. IBGL charges 0.07%/yr vs 1.02%/yr for BNDD.
Performance
IBGL vs. BNDD - Performance Comparison
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Returns By Period
In the year-to-date period, IBGL achieves a 2.15% return, which is significantly lower than BNDD's 7.17% return.
IBGL
- 1D
- 1.31%
- 1M
- 3.58%
- YTD
- 2.15%
- 6M
- 1.20%
- 1Y
- 4.26%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
BNDD
- 1D
- 0.60%
- 1M
- 3.67%
- YTD
- 7.17%
- 6M
- 5.54%
- 1Y
- 4.44%
- 3Y*
- -4.02%
- 5Y*
- —
- 10Y*
- —
IBGL vs. BNDD - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
IBGL iShares iBonds Dec 2055 Term Treasury ETF | 2.15% | 0.99% |
BNDD Quadratic Deflation ETF | 7.17% | -7.28% |
Correlation
The correlation between IBGL and BNDD is 0.62, 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 | 0.62 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 2025 | 0.66 |
The correlation between IBGL and BNDD has been stable across timeframes, ranging from 0.62 to 0.66 - a consistent structural relationship.
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Return for Risk
IBGL vs. BNDD — Risk / Return Rank
IBGL
BNDD
IBGL vs. BNDD - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2055 Term Treasury ETF (IBGL) and Quadratic Deflation ETF (BNDD). 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.
| IBGL | BNDD | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.05 | ||
| Sortino ratioReturn per unit of downside risk | +0.08 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.08 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 0.59 | 0.73 | -0.14 |
| Martin ratioReturn relative to average drawdown | 1.41 | 1.57 | -0.16 |
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Drawdowns
IBGL vs. BNDD - Drawdown Comparison
The maximum IBGL drawdown since its inception was -9.37%, smaller than the maximum BNDD drawdown of -30.87%. Use the drawdown chart below to compare losses from any high point for IBGL and BNDD.
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Drawdown Indicators
| IBGL | BNDD | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.37% | -30.87% | +21.50% |
Max Drawdown (1Y)Largest decline over 1 year | -7.23% | -6.09% | -1.14% |
Max Drawdown (3Y)Largest decline over 3 years | — | -20.75% | — |
Current DrawdownCurrent decline from peak | -2.10% | -24.50% | +22.40% |
Average DrawdownAverage peak-to-trough decline | -4.01% | -19.39% | +15.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.02% | 2.82% | +0.20% |
Volatility
IBGL vs. BNDD - Volatility Comparison
The current volatility for iShares iBonds Dec 2055 Term Treasury ETF (IBGL) is 2.36%, while Quadratic Deflation ETF (BNDD) has a volatility of 2.65%. This indicates that IBGL experiences smaller price fluctuations and is considered to be less risky than BNDD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGL | BNDD | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.36% | 2.65% | -0.29% |
Volatility (6M)Calculated over the trailing 6-month period | 6.36% | 8.28% | -1.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.08% | 10.51% | -1.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.48% | 13.34% | -2.86% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.48% | 13.34% | -2.86% |
IBGL vs. BNDD - Expense Ratio Comparison
IBGL has a 0.07% expense ratio, which is lower than BNDD's 1.02% expense ratio.
Dividends
IBGL vs. BNDD - Dividend Comparison
IBGL's dividend yield for the trailing twelve months is around 4.59%, more than BNDD's 3.51% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
BNDD Quadratic Deflation ETF | 3.51% | 3.82% | 3.85% | 4.30% | 43.17% | 1.04% |
IBGL iShares iBonds Dec 2055 Term Treasury ETF | 4.59% | 3.52% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IBGL and BNDD have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BNDD has higher volatility (2.65%) compared to IBGL (2.36%). In terms of maximum drawdown, IBGL dropped -9.37% vs BNDD's -30.87%.
On 1-year performance, BNDD leads with 4.44% vs 4.26% for IBGL. On fees, IBGL is cheaper at 0.07% per year. On volatility, IBGL has been the lower-risk option at 2.36%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, BNDD has performed better with a 4.44% return vs 4.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBGL is cheaper with a 0.07% expense ratio, compared with 1.02% for BNDD.
IBGL has the higher dividend yield at 4.59%, compared with 3.51% for BNDD.
They also come from different issuers: iShares and KraneShares. Their fees differ too: 0.07% for IBGL and 1.02% for BNDD.
IBGL currently has the higher Sharpe Ratio (0.47 vs 0.42), 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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