PSMO vs. GSG
PSMO (Pacer Swan SOS Moderate (October) ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - PSMO is a Options Trading fund actively managed by Pacer, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. PSMO is actively managed, while GSG is passively managed. Over the past 3 years, PSMO returned 11.75%/yr vs 14.41%/yr for GSG. At a 0.09 correlation, their price movements are largely independent. PSMO charges 0.60%/yr vs 0.75%/yr for GSG.
Performance
PSMO vs. GSG - Performance Comparison
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Returns By Period
In the year-to-date period, PSMO achieves a 6.16% return, which is significantly lower than GSG's 32.35% return.
PSMO
- 1D
- -0.24%
- 1M
- 1.05%
- 6M
- 5.19%
- YTD
- 6.16%
- 1Y
- 12.41%
- 3Y*
- 11.75%
- 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%
PSMO vs. GSG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
PSMO Pacer Swan SOS Moderate (October) ETF | 6.16% | 11.44% | 9.44% | 20.50% | -1.32% | 2.88% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 32.35% | 5.93% | 8.52% | -5.51% | 24.08% | 1.48% |
Correlation
The correlation between PSMO and GSG is -0.13, 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 | -0.13 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.01 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 2021 | 0.09 |
The correlation between PSMO and GSG shifts across timeframes, from -0.13 (1 year) to 0.09 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
PSMO vs. GSG — Risk / Return Rank
PSMO
GSG
PSMO vs. GSG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Pacer Swan SOS Moderate (October) ETF (PSMO) 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.
| PSMO | GSG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.51 | ||
| Sortino ratioReturn per unit of downside risk | +0.92 | ||
| Omega ratioGain probability vs. loss probability | 1.40 | 1.27 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | 2.78 | 1.85 | +0.93 |
| Martin ratioReturn relative to average drawdown | 13.84 | 6.29 | +7.54 |
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Drawdowns
PSMO vs. GSG - Drawdown Comparison
The maximum PSMO drawdown since its inception was -9.77%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for PSMO and GSG.
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Drawdown Indicators
| PSMO | GSG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -9.77% | -89.62% | +79.85% |
Max Drawdown (1Y)Largest decline over 1 year | -4.48% | -18.81% | +14.33% |
Max Drawdown (3Y)Largest decline over 3 years | -9.77% | -18.81% | +9.04% |
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 | -0.24% | -60.04% | +59.80% |
Average DrawdownAverage peak-to-trough decline | -1.31% | -63.69% | +62.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.90% | 5.51% | -4.61% |
Volatility
PSMO vs. GSG - Volatility Comparison
The current volatility for Pacer Swan SOS Moderate (October) ETF (PSMO) is 2.50%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 7.35%. This indicates that PSMO 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
| PSMO | GSG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.50% | 7.35% | -4.85% |
Volatility (6M)Calculated over the trailing 6-month period | 5.09% | 21.50% | -16.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 6.26% | 23.48% | -17.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 8.40% | 22.80% | -14.40% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.40% | 22.00% | -13.60% |
PSMO vs. GSG - Expense Ratio Comparison
PSMO has a 0.60% expense ratio, which is lower than GSG's 0.75% expense ratio.
Dividends
PSMO vs. GSG - Dividend Comparison
Neither PSMO nor GSG has paid dividends to shareholders.
Frequently Asked Questions
PSMO and GSG have a correlation of -0.13, 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 PSMO (2.50%). In terms of maximum drawdown, PSMO dropped -9.77% vs GSG's -89.62%.
On 3-year performance, GSG leads with 14.41% vs 11.75% for PSMO. On fees, PSMO is cheaper at 0.60% per year. On volatility, PSMO has been the lower-risk option at 2.50%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, GSG has performed better with a 14.41% return vs 11.75%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
PSMO is cheaper with a 0.60% expense ratio, compared with 0.75% for GSG.
PSMO and GSG have nearly identical dividend yields, around 0.00%.
PSMO is categorized as Options Trading, while GSG is Commodities. They also come from different issuers: Pacer and iShares. Their fees differ too: 0.60% for PSMO and 0.75% for GSG.
PSMO currently has the higher Sharpe Ratio (1.99 vs 1.48), 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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