TLT vs. GSG
TLT (iShares 20+ Year Treasury Bond ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - TLT is a Government Bonds fund tracking the ICE U.S. Treasury 20+ Year Bond Index, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. Both are passively managed. Over the past 10 years, TLT returned -1.75%/yr vs 6.89%/yr for GSG. At a correlation of -0.22, they often move in opposite directions. TLT charges 0.15%/yr vs 0.75%/yr for GSG.
Performance
TLT vs. GSG - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, TLT achieves a 0.27% return, which is significantly lower than GSG's 32.61% return. Over the past 10 years, TLT has underperformed GSG with an annualized return of -1.75%, while GSG has yielded a comparatively higher 6.89% annualized return.
TLT
- 1D
- -0.24%
- 1M
- 2.93%
- YTD
- 0.27%
- 6M
- 0.45%
- 1Y
- 3.88%
- 3Y*
- -1.38%
- 5Y*
- -6.53%
- 10Y*
- -1.75%
GSG
- 1D
- -1.23%
- 1M
- -10.56%
- YTD
- 32.61%
- 6M
- 33.30%
- 1Y
- 32.73%
- 3Y*
- 16.62%
- 5Y*
- 13.86%
- 10Y*
- 6.89%
TLT vs. GSG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TLT iShares 20+ Year Treasury Bond ETF | 0.27% | 4.25% | -8.05% | 2.77% | -31.23% | -4.60% | 18.15% | 14.12% | -1.61% | 9.18% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 32.61% | 5.93% | 8.52% | -5.51% | 24.08% | 38.77% | -23.94% | 15.62% | -13.88% | 3.89% |
Correlation
The correlation between TLT and GSG is -0.35, 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 | -0.35 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.15 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.17 |
Correlation (All Time) Calculated using the full available price history since Jul 21, 2006 | -0.22 |
The correlation between TLT and GSG shifts across timeframes, from -0.35 (1 year) to -0.15 (5 years), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
TLT vs. GSG — Risk / Return Rank
TLT
GSG
TLT vs. GSG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares 20+ Year Treasury Bond ETF (TLT) 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.
| TLT | GSG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.28 | ||
| Sortino ratioReturn per unit of downside risk | -1.64 | ||
| Omega ratioGain probability vs. loss probability | 1.06 | 1.29 | -0.23 |
| Calmar ratioReturn relative to maximum drawdown | 0.38 | 3.05 | -2.67 |
| Martin ratioReturn relative to average drawdown | 0.92 | 9.32 | -8.40 |
Loading charts...
Drawdowns
TLT vs. GSG - Drawdown Comparison
The maximum TLT drawdown since its inception was -48.35%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for TLT and GSG.
Loading charts...
Drawdown Indicators
| TLT | GSG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.35% | -89.62% | +41.27% |
Max Drawdown (1Y)Largest decline over 1 year | -7.58% | -12.05% | +4.47% |
Max Drawdown (3Y)Largest decline over 3 years | -19.18% | -14.94% | -4.24% |
Max Drawdown (5Y)Largest decline over 5 years | -43.70% | -29.12% | -14.58% |
Max Drawdown (10Y)Largest decline over 10 years | -48.35% | -57.64% | +9.29% |
Current DrawdownCurrent decline from peak | -40.12% | -59.96% | +19.84% |
Average DrawdownAverage peak-to-trough decline | -13.84% | -63.69% | +49.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.14% | 3.94% | -0.80% |
Volatility
TLT vs. GSG - Volatility Comparison
The current volatility for iShares 20+ Year Treasury Bond ETF (TLT) is 2.83%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 6.25%. This indicates that TLT 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.
Loading charts...
Volatility by Period
| TLT | GSG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.83% | 6.25% | -3.42% |
Volatility (6M)Calculated over the trailing 6-month period | 6.64% | 20.77% | -14.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.68% | 23.25% | -13.57% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.85% | 22.66% | -6.81% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.91% | 22.04% | -7.13% |
TLT vs. GSG - Expense Ratio Comparison
TLT has a 0.15% expense ratio, which is lower than GSG's 0.75% expense ratio.
Dividends
TLT vs. GSG - Dividend Comparison
TLT's dividend yield for the trailing twelve months is around 4.56%, while GSG has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GSG iShares S&P GSCI Commodity-Indexed Trust | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
TLT iShares 20+ Year Treasury Bond ETF | 4.56% | 4.43% | 4.30% | 3.38% | 2.67% | 1.50% | 1.50% | 2.27% | 2.63% | 2.43% | 2.60% | 2.61% |
Frequently Asked Questions
TLT and GSG have a correlation of -0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GSG has higher volatility (6.25%) compared to TLT (2.83%). In terms of maximum drawdown, TLT dropped -48.35% vs GSG's -89.62%.
On 10-year performance, GSG leads with 6.89% vs -1.75% for TLT. On fees, TLT is cheaper at 0.15% per year. On volatility, TLT has been the lower-risk option at 2.83%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, GSG has performed better with a 6.89% return vs -1.75%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TLT is cheaper with a 0.15% expense ratio, compared with 0.75% for GSG.
TLT has the higher dividend yield at 4.56%, compared with 0.00% for GSG.
TLT is categorized as Government Bonds, while GSG is Commodities. TLT tracks ICE U.S. Treasury 20+ Year Bond Index, while GSG tracks S&P GSCI Total Return Index. Their fees differ too: 0.15% for TLT and 0.75% for GSG.
GSG currently has the higher Sharpe Ratio (1.58 vs 0.30), 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.
Find the right allocation for TLT and GSG
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer