IGCB vs. GSG

Last updated Jun 4, 2026

IGCB (TCW Corporate Bond ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - IGCB is a Corporate Bonds fund tracking the Actively Managed, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. Both are passively managed. Over the past year, IGCB returned 5.37% vs 51.52% for GSG. At a correlation of -0.29, they often move in opposite directions. IGCB charges 0.35%/yr vs 0.75%/yr for GSG.

Performance

IGCB vs. GSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in TCW Corporate Bond ETF (IGCB) and iShares S&P GSCI Commodity-Indexed Trust (GSG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IGCB achieves a 0.08% return, which is significantly lower than GSG's 42.58% return.

IGCB

• 1D: -0.30%
• 1M: 0.37%
• YTD: 0.08%
• 6M: -0.02%
• 1Y: 5.37%
• 3Y*: —
• 5Y*: —
• 10Y*: —

GSG

• 1D: 0.77%
• 1M: -4.83%
• YTD: 42.58%
• 6M: 41.06%
• 1Y: 51.52%
• 3Y*: 19.31%
• 5Y*: 15.74%
• 10Y*: 7.69%

*Multi-year figures are annualized to reflect compound growth (CAGR)

IGCB vs. GSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024
IGCB TCW Corporate Bond ETF	0.08%	8.42%	-0.39%
GSG iShares S&P GSCI Commodity-Indexed Trust	42.58%	5.93%	3.03%

Correlation

The correlation between IGCB and GSG is -0.37, 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	-0.37
Correlation (All Time) Calculated using the full available price history since Nov 19, 2024	-0.29

Return for Risk

IGCB vs. GSG — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IGCB

IGCB Risk / Return Rank: 38
IGCB Sharpe Ratio Rank: 39
IGCB Sortino Ratio Rank: 38
IGCB Omega Ratio Rank: 38
IGCB Calmar Ratio Rank: 38
IGCB Martin Ratio Rank: 37

GSG

GSG Risk / Return Rank: 71
GSG Sharpe Ratio Rank: 67
GSG Sortino Ratio Rank: 60
GSG Omega Ratio Rank: 65
GSG Calmar Ratio Rank: 89
GSG Martin Ratio Rank: 75

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

IGCB vs. GSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for TCW Corporate Bond ETF (IGCB) 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.

	IGCB	GSG	Difference
Sharpe ratio: Return per unit of total volatility	1.38	2.26	-0.88
Sortino ratio: Return per unit of downside risk	1.96	2.88	-0.92
Omega ratio: Gain probability vs. loss probability	1.25	1.40	-0.16
Calmar ratio: Return relative to maximum drawdown	1.85	5.47	-3.62
Martin ratio: Return relative to average drawdown	5.69	14.39	-8.70
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IGCB vs. GSG - Sharpe Ratio Comparison

The current IGCB Sharpe Ratio is 1.38, which is lower than the GSG Sharpe Ratio of 2.26. The chart below compares the historical Sharpe Ratios of IGCB and GSG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	IGCB	GSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.38	2.26	-0.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.70	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.35	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.09	-0.09	+1.17

Drawdowns

IGCB vs. GSG - Drawdown Comparison

The maximum IGCB drawdown since its inception was -4.20%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for IGCB and GSG.

Drawdown Indicators

	IGCB	GSG	Difference
Max Drawdown Largest peak-to-trough decline	-4.20%	-89.62%	+85.42%
Max Drawdown (1Y) Largest decline over 1 year	-2.91%	-9.46%	+6.55%
Max Drawdown (3Y) Largest decline over 3 years	—	-14.94%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-29.12%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-57.64%	—
Current Drawdown Current decline from peak	-1.31%	-56.95%	+55.64%
Average Drawdown Average peak-to-trough decline	-0.93%	-63.71%	+62.78%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.95%	3.59%	-2.64%

Volatility

IGCB vs. GSG - Volatility Comparison

The current volatility for TCW Corporate Bond ETF (IGCB) is 1.35%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 7.65%. This indicates that IGCB 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.

Volatility by Period

	IGCB	GSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.35%	7.65%	-6.30%
Volatility (6M) Calculated over the trailing 6-month period	2.78%	20.42%	-17.64%
Volatility (1Y) Calculated over the trailing 1-year period	3.92%	22.95%	-19.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.82%	22.61%	-17.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.82%	22.03%	-17.21%

IGCB vs. GSG - Expense Ratio Comparison

IGCB has a 0.35% expense ratio, which is lower than GSG's 0.75% expense ratio.

Dividends

IGCB vs. GSG - Dividend Comparison

IGCB's dividend yield for the trailing twelve months is around 4.75%, 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%
IGCB TCW Corporate Bond ETF	4.75%	4.52%	0.66%

Frequently Asked Questions

Can I hold both IGCB and GSG in my portfolio?

IGCB and GSG have a correlation of -0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IGCB or GSG?

GSG has higher volatility (7.65%) compared to IGCB (1.35%). In terms of maximum drawdown, IGCB dropped -4.20% vs GSG's -89.62%.

Which ETF is better, IGCB or GSG?

On 1-year performance, GSG leads with 51.52% vs 5.37% for IGCB. On fees, IGCB is cheaper at 0.35% per year. On volatility, IGCB has been the lower-risk option at 1.35%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IGCB or GSG?

Over the 1-year period, GSG has performed better with a 51.52% return vs 5.37%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IGCB or GSG?

IGCB is cheaper with a 0.35% expense ratio, compared with 0.75% for GSG.

Which ETF pays a higher dividend yield, IGCB or GSG?

IGCB has the higher dividend yield at 4.75%, compared with 0.00% for GSG.

What is the main difference between IGCB and GSG?

IGCB is categorized as Corporate Bonds, while GSG is Commodities. IGCB tracks Actively Managed, while GSG tracks S&P GSCI Total Return Index. They also come from different issuers: TCW and iShares. Their fees differ too: 0.35% for IGCB and 0.75% for GSG.

Which has better risk-adjusted returns?

GSG currently has the higher Sharpe Ratio (2.26 vs 1.38), 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.