IBDZ vs. GSG
IBDZ (iShares iBonds Dec 2034 Term Corporate ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - IBDZ is a Corporate Bonds fund tracking the iBonds Dec 2034 Term Corporate Index, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. Both are passively managed. Over the past year, IBDZ returned 4.39% vs 34.57% for GSG. At a correlation of -0.17, they often move in opposite directions. IBDZ charges 0.10%/yr vs 0.75%/yr for GSG.
Performance
IBDZ vs. GSG - Performance Comparison
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Returns By Period
In the year-to-date period, IBDZ achieves a -0.34% return, which is significantly lower than GSG's 32.35% return.
IBDZ
- 1D
- -0.43%
- 1M
- -0.79%
- 6M
- -0.49%
- YTD
- -0.34%
- 1Y
- 4.39%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
GSG
- 1D
- 3.60%
- 1M
- -0.20%
- 6M
- 28.24%
- YTD
- 32.35%
- 1Y
- 34.57%
- 3Y*
- 14.41%
- 5Y*
- 13.83%
- 10Y*
- 7.40%
IBDZ vs. GSG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBDZ iShares iBonds Dec 2034 Term Corporate ETF | -0.34% | 8.84% | 4.23% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 32.35% | 5.93% | -1.49% |
Correlation
The correlation between IBDZ and GSG is -0.32, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.32 |
Correlation (All Time) Calculated using the full available price history since May 24, 2024 | -0.17 |
The correlation between IBDZ and GSG shifts across timeframes, from -0.32 (1 year) to -0.17 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IBDZ vs. GSG — Risk / Return Rank
IBDZ
GSG
IBDZ vs. GSG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2034 Term Corporate ETF (IBDZ) and iShares S&P GSCI Commodity-Indexed Trust (GSG). 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.
| IBDZ | GSG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.53 | ||
| Sortino ratioReturn per unit of downside risk | -0.66 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.27 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 1.45 | 1.85 | -0.40 |
| Martin ratioReturn relative to average drawdown | 4.42 | 6.29 | -1.87 |
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Drawdowns
IBDZ vs. GSG - Drawdown Comparison
The maximum IBDZ drawdown since its inception was -5.57%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for IBDZ and GSG.
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Drawdown Indicators
| IBDZ | GSG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.57% | -89.62% | +84.05% |
Max Drawdown (1Y)Largest decline over 1 year | -3.04% | -18.81% | +15.77% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.81% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -29.12% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -57.64% | — |
Current DrawdownCurrent decline from peak | -1.92% | -60.04% | +58.12% |
Average DrawdownAverage peak-to-trough decline | -1.27% | -63.69% | +62.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 5.51% | -4.52% |
Volatility
IBDZ vs. GSG - Volatility Comparison
The current volatility for iShares iBonds Dec 2034 Term Corporate ETF (IBDZ) is 1.32%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 7.35%. This indicates that IBDZ experiences smaller price fluctuations and is considered to be less risky than GSG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBDZ | GSG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.32% | 7.35% | -6.03% |
Volatility (6M)Calculated over the trailing 6-month period | 3.48% | 21.50% | -18.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.63% | 23.48% | -18.85% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.19% | 22.80% | -16.61% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 6.19% | 22.00% | -15.81% |
IBDZ vs. GSG - Expense Ratio Comparison
IBDZ has a 0.10% expense ratio, which is lower than GSG's 0.75% expense ratio.
Dividends
IBDZ vs. GSG - Dividend Comparison
IBDZ's dividend yield for the trailing twelve months is around 4.91%, while GSG has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 |
|---|---|---|---|
GSG iShares S&P GSCI Commodity-Indexed Trust | 0.00% | 0.00% | 0.00% |
IBDZ iShares iBonds Dec 2034 Term Corporate ETF | 4.91% | 4.85% | 2.50% |
Frequently Asked Questions
IBDZ and GSG have a correlation of -0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GSG has higher volatility (7.35%) compared to IBDZ (1.32%). In terms of maximum drawdown, IBDZ dropped -5.57% vs GSG's -89.62%.
On 1-year performance, GSG leads with 34.57% vs 4.39% for IBDZ. On fees, IBDZ is cheaper at 0.10% per year. On volatility, IBDZ has been the lower-risk option at 1.32%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, GSG has performed better with a 34.57% return vs 4.39%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBDZ is cheaper with a 0.10% expense ratio, compared with 0.75% for GSG.
IBDZ has the higher dividend yield at 4.91%, compared with 0.00% for GSG.
IBDZ is categorized as Corporate Bonds, while GSG is Commodities. IBDZ tracks iBonds Dec 2034 Term Corporate Index, while GSG tracks S&P GSCI Total Return Index. Their fees differ too: 0.10% for IBDZ and 0.75% for GSG.
GSG currently has the higher Sharpe Ratio (1.48 vs 0.95), 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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