DAT vs SPY
Proshares Big Data Refiners ETF vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
SPY has a lower expense ratio. SPY delivered stronger 1-year returns. SPY offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | DAT | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.58% | 0.09% | |
| AUM | $6M | $821.1B | |
| Dividend Yield | 0.00% | 1.01% | |
| Holdings | 26 | 505 | |
| YTD Return | +11.97% | +14.24% | |
| 1Y Return | +12.57% | +21.71% | |
| 3Y Return (annualized) | +22.17% | +22.10% | |
| 5Y Return (annualized) | - | +13.21% | |
| Volatility (annualized) | 29.4% | 15.3% | |
| Max Drawdown | -56.2% | -56.5% | |
| Fund Family | ProShares | State Street Investment Management | |
| Category | Equity | Equity | |
| Inception | Sep 29, 2021 | Jan 22, 1993 |
DAT vs SPY Performance
Proshares Big Data Refiners ETF (DAT) is a ETF from ProShares and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year DAT returned +12.57% while SPY returned +21.71%. Year to date, DAT is up 11.97% versus a gain of 14.24% for SPY.
Over three years, DAT compounded at +22.17% per year against +22.10% for SPY. Across the full 5-year window we track, SPY has the edge at +8.86% annualized vs +4.37%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
DAT has been the more volatile fund, with annualized monthly volatility of 29.4% compared with 15.3% 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 -56.2% for DAT and -56.5% for SPY. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.65. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
DAT charges 0.58% per year while SPY charges 0.09%. On a $10,000 position that is $58 vs $9 annually, a gap of $49 per year that compounds over a long holding period. On income, DAT currently yields 0.00% against 1.01% for SPY.
Holdings Overlap
DAT and SPY share 4 holdings out of 525 unique holdings combined, representing a 0.8% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, DAT or SPY?
DAT has an expense ratio of 0.58% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $49 per year of difference.
Which performed better, DAT or SPY?
Over the past year DAT returned +12.57% vs +21.71% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (5 years), DAT annualized +4.37% vs +8.86% for SPY. Past performance does not guarantee future results.
Which is riskier, DAT or SPY?
DAT has been the more volatile fund at 29.4% annualized versus 15.3% for SPY. Worst drawdown: DAT -56.2% vs SPY -56.5%.
Should I hold both DAT and SPY?
DAT and SPY have a monthly-return correlation of 0.65, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between DAT and SPY?
DAT and SPY share 4 common holdings with a 0.8% weight overlap. Combined, they hold 525 unique securities.
Which pays a higher dividend, DAT or SPY?
DAT yields 0.00% while SPY yields 1.01%, so SPY currently pays the higher dividend yield.
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