PMAR vs. GSG

Last updated Jun 3, 2026

PMAR (Innovator U.S. Equity Power Buffer ETF - March) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - PMAR is a Defined Outcome fund tracking the Cboe S&P 500 15% Buffer Protect March Series Index, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. Both are passively managed. Over the past 5 years, PMAR returned 9.61%/yr vs 15.80%/yr for GSG. At a 0.16 correlation, their price movements are largely independent. PMAR charges 0.79%/yr vs 0.75%/yr for GSG.

Performance

PMAR vs. GSG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Equity Power Buffer ETF - March (PMAR) 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, PMAR achieves a 6.36% return, which is significantly lower than GSG's 41.50% return.

PMAR

• 1D: 0.06%
• 1M: 1.94%
• YTD: 6.36%
• 6M: 7.38%
• 1Y: 15.93%
• 3Y*: 13.05%
• 5Y*: 9.61%
• 10Y*: —

GSG

• 1D: 0.49%
• 1M: -3.72%
• YTD: 41.50%
• 6M: 40.89%
• 1Y: 51.06%
• 3Y*: 19.01%
• 5Y*: 15.80%
• 10Y*: 7.61%

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

PMAR vs. GSG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
PMAR Innovator U.S. Equity Power Buffer ETF - March	6.36%	11.82%	12.83%	15.95%	-2.65%	10.96%	6.64%
GSG iShares S&P GSCI Commodity-Indexed Trust	41.50%	5.93%	8.52%	-5.51%	24.08%	38.77%	-10.26%

Correlation

The correlation between PMAR and GSG is -0.24, 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	-0.24
Correlation (3Y) Calculated over the trailing 3-year period	-0.02
Correlation (5Y) Calculated over the trailing 5-year period	0.10
Correlation (All Time) Calculated using the full available price history since Mar 3, 2020	0.16

The correlation between PMAR and GSG shifts across timeframes, from -0.24 (1 year) to 0.16 (all time), reflecting how their relationship changes across market environments.

Return for Risk

PMAR vs. GSG — Risk / Return Rank

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

PMAR

PMAR Risk / Return Rank: 88
PMAR Sharpe Ratio Rank: 88
PMAR Sortino Ratio Rank: 92
PMAR Omega Ratio Rank: 94
PMAR Calmar Ratio Rank: 76
PMAR Martin Ratio Rank: 92

GSG

GSG Risk / Return Rank: 72
GSG Sharpe Ratio Rank: 67
GSG Sortino Ratio Rank: 60
GSG Omega Ratio Rank: 66
GSG Calmar Ratio Rank: 90
GSG Martin Ratio Rank: 77

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.

PMAR vs. GSG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Equity Power Buffer ETF - March (PMAR) 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.

	PMAR	GSG	Difference
Sharpe ratio Return per unit of total volatility	3.01	2.24	+0.78
Sortino ratio Return per unit of downside risk	4.52	2.86	+1.67
Omega ratio Gain probability vs. loss probability	1.69	1.40	+0.28
Calmar ratio Return relative to maximum drawdown	3.90	5.72	-1.82
Martin ratio Return relative to average drawdown	23.14	15.15	+7.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PMAR vs. GSG - Sharpe Ratio Comparison

The current PMAR Sharpe Ratio is 3.01, which is higher than the GSG Sharpe Ratio of 2.24. The chart below compares the historical Sharpe Ratios of PMAR 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

	PMAR	GSG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.01	2.24	+0.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.18	0.70	+0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.35	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.92	-0.09	+1.00

Drawdowns

PMAR vs. GSG - Drawdown Comparison

The maximum PMAR drawdown since its inception was -17.18%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for PMAR and GSG.

Drawdown Indicators

	PMAR	GSG	Difference
Max Drawdown Largest peak-to-trough decline	-17.18%	-89.62%	+72.44%
Max Drawdown (1Y) Largest decline over 1 year	-4.11%	-9.46%	+5.35%
Max Drawdown (3Y) Largest decline over 3 years	-9.32%	-14.94%	+5.62%
Max Drawdown (5Y) Largest decline over 5 years	-10.84%	-29.12%	+18.28%
Max Drawdown (10Y) Largest decline over 10 years	—	-57.64%	—
Current Drawdown Current decline from peak	0.00%	-57.28%	+57.28%
Average Drawdown Average peak-to-trough decline	-1.56%	-63.72%	+62.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.69%	3.57%	-2.88%

Volatility

PMAR vs. GSG - Volatility Comparison

The current volatility for Innovator U.S. Equity Power Buffer ETF - March (PMAR) is 0.83%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 7.89%. This indicates that PMAR 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

	PMAR	GSG	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.83%	7.89%	-7.06%
Volatility (6M) Calculated over the trailing 6-month period	4.14%	20.41%	-16.27%
Volatility (1Y) Calculated over the trailing 1-year period	5.31%	23.01%	-17.70%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.17%	22.61%	-14.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.73%	22.03%	-11.30%

PMAR vs. GSG - Expense Ratio Comparison

PMAR has a 0.79% expense ratio, which is higher than GSG's 0.75% expense ratio.

Dividends

PMAR vs. GSG - Dividend Comparison

Neither PMAR nor GSG has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both PMAR and GSG in my portfolio?

PMAR and GSG have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PMAR or GSG?

GSG has higher volatility (7.89%) compared to PMAR (0.83%). In terms of maximum drawdown, PMAR dropped -17.18% vs GSG's -89.62%.

Which ETF is better, PMAR or GSG?

On 5-year performance, GSG leads with 15.80% vs 9.61% for PMAR. On fees, GSG is cheaper at 0.75% per year. On volatility, PMAR has been the lower-risk option at 0.83%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PMAR or GSG?

Over the 5-year period, GSG has performed better with a 15.80% return vs 9.61%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PMAR or GSG?

GSG is cheaper with a 0.75% expense ratio, compared with 0.79% for PMAR.

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

PMAR and GSG have nearly identical dividend yields, around 0.00%.

What is the main difference between PMAR and GSG?

PMAR is categorized as Defined Outcome, while GSG is Commodities. PMAR tracks Cboe S&P 500 15% Buffer Protect March Series Index, while GSG tracks S&P GSCI Total Return Index. They also come from different issuers: Innovator and iShares. Their fees differ too: 0.79% for PMAR and 0.75% for GSG.

Which has better risk-adjusted returns?

PMAR currently has the higher Sharpe Ratio (3.01 vs 2.24), 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.