GSG vs PDBC
iShares S&P GSCI Commodity-Indexed Trust vs Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
Last updated: 2026-04-10
iShares S&P GSCI Commodity-Indexed Trust (GSG) is an exchange-traded fund issued by iShares that provides exposure to broad commodities securities. It charges a high expense ratio of 0.75%. Launched in 2006, the fund has a 20-year track record.
Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC) is an exchange-traded fund issued by Invesco that provides exposure to broad commodities securities. It charges a high expense ratio of 0.59%. The fund offers an attractive dividend yield of 2.97%. Launched in 2014, the fund has a 12-year track record.
Quick Verdict
PDBC is significantly cheaper at 0.59% vs 0.75% expense ratio, saving you approximately $302 per $10,000 invested over 10 years. Over the past year, GSG has significantly outperformed with a 51.2% return vs 36.9%.
Key Metrics
Performance Chart
Indexed to 100 at start (5-year comparison)
Performance Comparison
Fee Impact Over Time
Estimated fee cost difference assuming 8% annual returns
Risk Metrics
Based on 5 years of daily returns
Dividend Comparison
Top Holdings
0 of top 1 holdings overlap (0% overlap in top holdings)
Which One Should You Choose?
Choose PDBC if...
you want the lowest fees and plan to buy and hold long-term. Over decades, the expense ratio difference compounds significantly.
Choose GSG if...
recent performance momentum matters to your strategy. Note that past performance doesn't guarantee future results.
Either works if...
you just need broad broad commodities exposure. Both are solid options — pick whichever your brokerage offers commission-free.