DMAY vs. USO
DMAY (FT Cboe Vest U.S. Equity Deep Buffer ETF - May) and USO (United States Oil Fund LP) are both exchange-traded funds - DMAY is a Large Cap Blend Equities fund tracking the Cboe S&P 500 30% (-5% to -35%) Buffer Protect May Series Index, while USO is a Oil & Gas fund tracking the Front Month Light Sweet Crude Oil. Both are passively managed. Over the past 5 years, DMAY returned 7.21%/yr vs 23.67%/yr for USO. At a 0.10 correlation, their price movements are largely independent. DMAY charges 0.85%/yr vs 0.86%/yr for USO.
Performance
DMAY vs. USO - Performance Comparison
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Returns By Period
In the year-to-date period, DMAY achieves a 4.64% return, which is significantly lower than USO's 97.72% return.
DMAY
- 1D
- 0.21%
- 1M
- 1.46%
- YTD
- 4.64%
- 6M
- 5.44%
- 1Y
- 12.58%
- 3Y*
- 12.08%
- 5Y*
- 7.21%
- 10Y*
- —
USO
- 1D
- -2.92%
- 1M
- -5.15%
- YTD
- 97.72%
- 6M
- 91.54%
- 1Y
- 97.20%
- 3Y*
- 28.78%
- 5Y*
- 23.67%
- 10Y*
- 3.57%
DMAY vs. USO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
DMAY FT Cboe Vest U.S. Equity Deep Buffer ETF - May | 4.64% | 11.05% | 12.82% | 15.40% | -9.98% | 6.14% | 6.40% |
USO United States Oil Fund LP | 97.72% | -8.46% | 13.35% | -4.94% | 28.97% | 64.68% | 35.79% |
Correlation
The correlation between DMAY and USO is -0.30, 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 | -0.30 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.08 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.07 |
Correlation (All Time) Calculated using the full available price history since May 19, 2020 | 0.10 |
The correlation between DMAY and USO shifts across timeframes, from -0.30 (1 year) to 0.10 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
DMAY vs. USO — Risk / Return Rank
DMAY
USO
DMAY vs. USO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY) and United States Oil Fund LP (USO). 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.
| DMAY | USO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.49 | ||
| Sortino ratioReturn per unit of downside risk | +1.26 | ||
| Omega ratioGain probability vs. loss probability | 1.61 | 1.37 | +0.24 |
| Calmar ratioReturn relative to maximum drawdown | 3.79 | 4.79 | -1.00 |
| Martin ratioReturn relative to average drawdown | 23.15 | 9.00 | +14.15 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| DMAY | USO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.70 | 2.21 | +0.49 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.80 | 0.66 | +0.15 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.09 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.88 | -0.18 | +1.06 |
Drawdowns
DMAY vs. USO - Drawdown Comparison
The maximum DMAY drawdown since its inception was -13.90%, smaller than the maximum USO drawdown of -98.19%. Use the drawdown chart below to compare losses from any high point for DMAY and USO.
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Drawdown Indicators
| DMAY | USO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.90% | -98.19% | +84.29% |
Max Drawdown (1Y)Largest decline over 1 year | -3.36% | -20.39% | +17.03% |
Max Drawdown (3Y)Largest decline over 3 years | -12.38% | -26.05% | +13.67% |
Max Drawdown (5Y)Largest decline over 5 years | -13.90% | -36.23% | +22.33% |
Max Drawdown (10Y)Largest decline over 10 years | — | -86.75% | — |
Current DrawdownCurrent decline from peak | -0.08% | -85.45% | +85.37% |
Average DrawdownAverage peak-to-trough decline | -2.24% | -75.30% | +73.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.55% | 10.84% | -10.29% |
Volatility
DMAY vs. USO - Volatility Comparison
The current volatility for FT Cboe Vest U.S. Equity Deep Buffer ETF - May (DMAY) is 0.85%, while United States Oil Fund LP (USO) has a volatility of 14.97%. This indicates that DMAY experiences smaller price fluctuations and is considered to be less risky than USO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DMAY | USO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.85% | 14.97% | -14.12% |
Volatility (6M)Calculated over the trailing 6-month period | 3.74% | 38.35% | -34.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.73% | 44.32% | -39.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.02% | 36.09% | -27.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.42% | 39.00% | -30.58% |
DMAY vs. USO - Expense Ratio Comparison
DMAY has a 0.85% expense ratio, which is lower than USO's 0.86% expense ratio.
Dividends
DMAY vs. USO - Dividend Comparison
Neither DMAY nor USO has paid dividends to shareholders.
Frequently Asked Questions
DMAY and USO have a correlation of -0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
USO has higher volatility (14.97%) compared to DMAY (0.85%). In terms of maximum drawdown, DMAY dropped -13.90% vs USO's -98.19%.
On 5-year performance, USO leads with 23.67% vs 7.21% for DMAY. On fees, DMAY is cheaper at 0.85% per year. On volatility, DMAY has been the lower-risk option at 0.85%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, USO has performed better with a 23.67% return vs 7.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
DMAY is cheaper with a 0.85% expense ratio, compared with 0.86% for USO.
DMAY and USO have nearly identical dividend yields, around 0.00%.
DMAY is categorized as Large Cap Blend Equities, while USO is Oil & Gas. DMAY tracks Cboe S&P 500 30% (-5% to -35%) Buffer Protect May Series Index, while USO tracks Front Month Light Sweet Crude Oil. They also come from different issuers: First Trust and USCF. Their fees differ too: 0.85% for DMAY and 0.86% for USO.
DMAY currently has the higher Sharpe Ratio (2.70 vs 2.21), 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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