TCAI vs. GSG

Last updated Jun 4, 2026

TCAI (Tortoise AI Infrastructure ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - TCAI is a Technology Equities fund actively managed by Tortoise, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. TCAI is actively managed, while GSG is passively managed. At a correlation of -0.08, they often move in opposite directions. TCAI charges 0.65%/yr vs 0.75%/yr for GSG.

Performance

TCAI vs. GSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tortoise AI Infrastructure ETF (TCAI) 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, TCAI achieves a 89.63% return, which is significantly higher than GSG's 42.58% return.

TCAI

• 1D: -0.27%
• 1M: 19.58%
• YTD: 89.63%
• 6M: 85.78%
• 1Y: —
• 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)

TCAI vs. GSG - Yearly Performance Comparison

	2026 (YTD)	2025
TCAI Tortoise AI Infrastructure ETF	89.63%	17.77%
GSG iShares S&P GSCI Commodity-Indexed Trust	42.58%	3.73%

Correlation

The correlation between TCAI and GSG is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 6, 2025	-0.08

Return for Risk

TCAI vs. GSG — Risk / Return Rank

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

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.

TCAI vs. GSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise AI Infrastructure ETF (TCAI) 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	TCAI	GSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.26	—
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	4.61	-0.09	+4.70

Drawdowns

TCAI vs. GSG - Drawdown Comparison

The maximum TCAI drawdown since its inception was -15.80%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for TCAI and GSG.

Drawdown Indicators

	TCAI	GSG	Difference
Max Drawdown Largest peak-to-trough decline	-15.80%	-89.62%	+73.82%
Max Drawdown (1Y) Largest decline over 1 year	—	-9.46%	—
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	-0.27%	-56.95%	+56.68%
Average Drawdown Average peak-to-trough decline	-3.43%	-63.71%	+60.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.59%	—

Volatility

Volatility by Period

	TCAI	GSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	7.65%	—
Volatility (6M) Calculated over the trailing 6-month period	—	20.42%	—
Volatility (1Y) Calculated over the trailing 1-year period	35.82%	22.95%	+12.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.82%	22.61%	+13.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.82%	22.03%	+13.79%

TCAI vs. GSG - Expense Ratio Comparison

TCAI has a 0.65% expense ratio, which is lower than GSG's 0.75% expense ratio.

Dividends

TCAI vs. GSG - Dividend Comparison

TCAI's dividend yield for the trailing twelve months is around 0.03%, while GSG has not paid dividends to shareholders.

Position	TTM	2025
GSG iShares S&P GSCI Commodity-Indexed Trust	0.00%	0.00%
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%

Frequently Asked Questions

Can I hold both TCAI and GSG in my portfolio?

TCAI and GSG have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, TCAI or GSG?

On fees, TCAI is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, TCAI or GSG?

TCAI is cheaper with a 0.65% expense ratio, compared with 0.75% for GSG.

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

TCAI has the higher dividend yield at 0.03%, compared with 0.00% for GSG.

What is the main difference between TCAI and GSG?

TCAI is categorized as Technology Equities, while GSG is Commodities. They also come from different issuers: Tortoise and iShares. Their fees differ too: 0.65% for TCAI and 0.75% for GSG.