ROM vs. BULL
ROM (ProShares Ultra Technology) is Leveraged Equities fund tracking the S&P Technology Select Sector Index (200%), while BULL (Webull Corp) is a stock. Over the past year, ROM returned 62.70% vs -57.19% for BULL. At a 0.34 correlation, their price movements are largely independent.
Performance
ROM vs. BULL - Performance Comparison
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Returns By Period
In the year-to-date period, ROM achieves a 38.72% return, which is significantly higher than BULL's -6.95% return.
ROM
- 1D
- -2.24%
- 1M
- -16.71%
- 6M
- 36.00%
- YTD
- 38.72%
- 1Y
- 62.70%
- 3Y*
- 39.67%
- 5Y*
- 21.95%
- 10Y*
- 38.49%
BULL
- 1D
- -3.86%
- 1M
- 2.12%
- 6M
- -11.40%
- YTD
- -6.95%
- 1Y
- -57.19%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ROM vs. BULL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
ROM ProShares Ultra Technology | 38.72% | 86.93% |
BULL Webull Corp | -6.95% | -33.13% |
Correlation
The correlation between ROM and BULL is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.40 |
Correlation (All Time) Calculated using the full available price history since Apr 10, 2025 | 0.34 |
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Return for Risk
ROM vs. BULL — Risk / Return Rank
ROM
BULL
ROM vs. BULL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Technology (ROM) and Webull Corp (BULL). 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.
| ROM | BULL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +2.02 | ||
| Sortino ratioReturn per unit of downside risk | +2.77 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 0.89 | +0.34 |
| Calmar ratioReturn relative to maximum drawdown | 1.94 | -0.68 | +2.62 |
| Martin ratioReturn relative to average drawdown | 5.28 | -0.96 | +6.24 |
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Drawdowns
ROM vs. BULL - Drawdown Comparison
The maximum ROM drawdown since its inception was -83.36%, smaller than the maximum BULL drawdown of -92.64%. Use the drawdown chart below to compare losses from any high point for ROM and BULL.
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Drawdown Indicators
| ROM | BULL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -83.36% | -92.64% | +9.28% |
Max Drawdown (1Y)Largest decline over 1 year | -32.33% | -73.90% | +41.57% |
Max Drawdown (3Y)Largest decline over 3 years | -48.10% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -67.55% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -67.55% | — | — |
Current DrawdownCurrent decline from peak | -23.51% | -88.51% | +65.00% |
Average DrawdownAverage peak-to-trough decline | -20.84% | -83.05% | +62.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.86% | 52.17% | -40.31% |
Volatility
ROM vs. BULL - Volatility Comparison
ProShares Ultra Technology (ROM) has a higher volatility of 19.26% compared to Webull Corp (BULL) at 15.57%. This indicates that ROM's price experiences larger fluctuations and is considered to be riskier than BULL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROM | BULL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.26% | 15.57% | +3.69% |
Volatility (6M)Calculated over the trailing 6-month period | 42.13% | 44.36% | -2.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 49.33% | 67.75% | -18.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.93% | 344.86% | -291.93% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 50.38% | 344.86% | -294.48% |
Dividends
ROM vs. BULL - Dividend Comparison
ROM's dividend yield for the trailing twelve months is around 0.07%, while BULL has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BULL Webull Corp | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ROM ProShares Ultra Technology | 0.07% | 0.24% | 0.21% | 0.01% | 0.00% | 0.00% | 0.05% | 0.16% | 0.30% | 0.08% | 0.20% | 0.12% |
Frequently Asked Questions
ROM and BULL have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ROM has higher volatility (19.26%) compared to BULL (15.57%). In terms of maximum drawdown, ROM dropped -83.36% vs BULL's -92.64%.
ROM currently has the higher Sharpe Ratio (1.27 vs -0.75), 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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