PSFO vs. GSG
PSFO (Pacer Swan SOS Flex (October) ETF) and GSG (iShares S&P GSCI Commodity-Indexed Trust) are both exchange-traded funds - PSFO is a Options Trading fund actively managed by Pacer, while GSG is a Commodities fund tracking the S&P GSCI Total Return Index. PSFO is actively managed, while GSG is passively managed. Over the past 3 years, PSFO returned 12.08%/yr vs 14.41%/yr for GSG. At a 0.10 correlation, their price movements are largely independent. PSFO charges 0.60%/yr vs 0.75%/yr for GSG.
Performance
PSFO vs. GSG - Performance Comparison
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Returns By Period
In the year-to-date period, PSFO achieves a 7.31% return, which is significantly lower than GSG's 32.35% return.
PSFO
- 1D
- -0.16%
- 1M
- 1.25%
- 6M
- 6.11%
- YTD
- 7.31%
- 1Y
- 14.70%
- 3Y*
- 12.08%
- 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%
PSFO vs. GSG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
PSFO Pacer Swan SOS Flex (October) ETF | 7.31% | 12.93% | 10.78% | 20.03% | -0.34% | 4.84% |
GSG iShares S&P GSCI Commodity-Indexed Trust | 32.35% | 5.93% | 8.52% | -5.51% | 24.08% | 1.48% |
Correlation
The correlation between PSFO 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 | -0.00 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 2021 | 0.10 |
The correlation between PSFO and GSG shifts across timeframes, from -0.13 (1 year) to 0.10 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
PSFO vs. GSG — Risk / Return Rank
PSFO
GSG
PSFO vs. GSG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Pacer Swan SOS Flex (October) ETF (PSFO) 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.
| PSFO | GSG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.51 | ||
| Sortino ratioReturn per unit of downside risk | +0.85 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.27 | +0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.84 | 1.85 | +0.99 |
| Martin ratioReturn relative to average drawdown | 13.47 | 6.29 | +7.17 |
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Drawdowns
PSFO vs. GSG - Drawdown Comparison
The maximum PSFO drawdown since its inception was -12.09%, smaller than the maximum GSG drawdown of -89.62%. Use the drawdown chart below to compare losses from any high point for PSFO and GSG.
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Drawdown Indicators
| PSFO | GSG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -12.09% | -89.62% | +77.53% |
Max Drawdown (1Y)Largest decline over 1 year | -5.20% | -18.81% | +13.61% |
Max Drawdown (3Y)Largest decline over 3 years | -12.09% | -18.81% | +6.72% |
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 | -0.16% | -60.04% | +59.88% |
Average DrawdownAverage peak-to-trough decline | -1.72% | -63.69% | +61.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.09% | 5.51% | -4.42% |
Volatility
PSFO vs. GSG - Volatility Comparison
The current volatility for Pacer Swan SOS Flex (October) ETF (PSFO) is 2.26%, while iShares S&P GSCI Commodity-Indexed Trust (GSG) has a volatility of 7.35%. This indicates that PSFO 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
| PSFO | GSG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.26% | 7.35% | -5.09% |
Volatility (6M)Calculated over the trailing 6-month period | 5.84% | 21.50% | -15.66% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.44% | 23.48% | -16.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 10.01% | 22.80% | -12.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 10.01% | 22.00% | -11.99% |
PSFO vs. GSG - Expense Ratio Comparison
PSFO has a 0.60% expense ratio, which is lower than GSG's 0.75% expense ratio.
Dividends
PSFO vs. GSG - Dividend Comparison
Neither PSFO nor GSG has paid dividends to shareholders.
Frequently Asked Questions
PSFO 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 PSFO (2.26%). In terms of maximum drawdown, PSFO dropped -12.09% vs GSG's -89.62%.
On 3-year performance, GSG leads with 14.41% vs 12.08% for PSFO. On fees, PSFO is cheaper at 0.60% per year. On volatility, PSFO has been the lower-risk option at 2.26%. 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 12.08%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
PSFO is cheaper with a 0.60% expense ratio, compared with 0.75% for GSG.
PSFO and GSG have nearly identical dividend yields, around 0.00%.
PSFO 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 PSFO and 0.75% for GSG.
PSFO 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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