COMT vs SPY
iShares GSCI Commodity Dynamic Roll Strategy ETF vs State Street SPDR S&P 500 ETF Trust
Which is better, COMT or SPY?
Commodities against Large Cap Blend.
SPY has a lower expense ratio. COMT led over 1Y and 5Y, SPY over 3Y and the full window.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | COMT | SPY |
|---|---|---|
| Expense Ratio | 0.48% | 0.09%Best |
| AUM | $1.3B | $814.4B |
| Dividend Yield | 5.91% | 1.01% |
| Holdings | 175 | 505 |
| YTD Return | +44.53%Best | +13.34% |
| 1Y Return | +46.13%Best | +19.97% |
| 3Y Return (annualized) | +13.91% | +21.20%Best |
| 5Y Return (annualized) | +14.17%Best | +12.81% |
| Volatility (annualized) | 18.6% | 14.9%Best |
| Max Drawdown | -51.9% | -34.1%Best |
| $10,000 over 5 years | $19,398Best | $18,270 |
| Fund Family | iShares by BlackRock (US) | State Street Investment Management |
| Category | Commodity | Equity |
| Style | Commodities | Large Cap Blend |
| Inception | Oct 15, 2014 | Jan 22, 1993 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown are measured over the window both funds cover: Oct 16, 2014 to Sep 4, 2026 (11.9 years).
COMT vs SPY growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 11.9 years both funds cover.
COMT vs SPY Performance
iShares GSCI Commodity Dynamic Roll Strategy ETF (COMT) is an ETF from iShares by BlackRock (US) and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Over the past year COMT returned +46.13% while SPY returned +19.97%. Year to date, COMT is up 44.53% versus a gain of 13.34% for SPY.
Over three years, COMT compounded at +13.91% per year against +21.20% for SPY; over five years the annualized figures are +14.17% and +12.81% respectively. Across the full 12-year window we track, SPY has the edge at +13.39% annualized vs +4.38%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
COMT has been the more volatile fund, with annualized monthly volatility of 18.6% compared with 14.9% for SPY. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -51.9% for COMT and -34.1% for SPY. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.34. They move together some of the time, and apart the rest.
Fees and Cost Over Time
COMT charges 0.48% per year while SPY charges 0.09%. On a $10,000 position that is $48 vs $9 annually, a gap of $39 per year that compounds over a long holding period. On income, COMT currently yields 5.91% against 1.01% for SPY.
Holdings Overlap
We hold position weights for 2 holdings in COMT and 504 in SPY, totalling 10.7% and 100.0% of the two funds. The two books name no position in common, so there is no overlap percentage to show.
0 positions in common, counted across the 2 positions we hold weights for in COMT and 504 in SPY, against full books of 175 and 505.
You are not choosing between two funds in isolation.
Whichever of COMT and SPY you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, COMT or SPY?
COMT has an expense ratio of 0.48% while SPY charges 0.09%. SPY is the cheaper option, by $39 a year on a $10,000 investment.
Which performed better, COMT or SPY?
Over the past year COMT returned +46.13% vs +19.97% for SPY, so COMT leads on 1-year performance. Over the longest common window we track (12 years), COMT annualized +4.38% vs +13.39% for SPY. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, COMT or SPY?
COMT has been the more volatile fund at 18.6% annualized versus 14.9% for SPY. Worst drawdown: COMT -51.9% vs SPY -34.1%.
Should I hold both COMT and SPY?
COMT and SPY have a monthly-return correlation of 0.34, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, COMT or SPY?
COMT yields 5.91% while SPY yields 1.01%, so COMT currently pays the higher dividend yield.
Is SPY better than COMT?
SPY has a lower expense ratio. COMT led over 1Y and 5Y, SPY over 3Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.