BULL vs. ROM
BULL (Webull Corp) is a stock, while ROM (ProShares Ultra Technology) is Leveraged Equities fund tracking the Dow Jones U.S. Technology Index (200%). Over the past year, BULL returned -45.24% vs 143.23% for ROM. At a 0.38 correlation, their price movements are largely independent.
Performance
BULL vs. ROM - Performance Comparison
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Returns By Period
In the year-to-date period, BULL achieves a -21.49% return, which is significantly lower than ROM's 71.82% return.
BULL
- 1D
- 3.39%
- 1M
- -16.78%
- YTD
- -21.49%
- 6M
- -36.59%
- 1Y
- -45.24%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ROM
- 1D
- -3.32%
- 1M
- 34.47%
- YTD
- 71.82%
- 6M
- 67.53%
- 1Y
- 143.23%
- 3Y*
- 58.09%
- 5Y*
- 30.82%
- 10Y*
- 42.12%
BULL vs. ROM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BULL Webull Corp | -21.49% | -35.36% |
ROM ProShares Ultra Technology | 71.82% | 105.14% |
Correlation
The correlation between BULL and ROM is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.46 |
Correlation (All Time) Calculated using the full available price history since Apr 11, 2025 | 0.38 |
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Return for Risk
BULL vs. ROM — Risk / Return Rank
BULL
ROM
BULL vs. ROM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Webull Corp (BULL) and ProShares Ultra Technology (ROM). 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.
| BULL | ROM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -4.10 | ||
| Sortino ratioReturn per unit of downside risk | -4.31 | ||
| Omega ratioGain probability vs. loss probability | 0.91 | 1.46 | -0.55 |
| Calmar ratioReturn relative to maximum drawdown | -0.61 | 4.46 | -5.07 |
| Martin ratioReturn relative to average drawdown | -0.95 | 13.62 | -14.57 |
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
| BULL | ROM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.66 | 3.44 | -4.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.60 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.85 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.12 | 0.53 | -0.66 |
Drawdowns
BULL vs. ROM - Drawdown Comparison
The maximum BULL drawdown since its inception was -92.64%, which is greater than ROM's maximum drawdown of -83.36%. Use the drawdown chart below to compare losses from any high point for BULL and ROM.
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Drawdown Indicators
| BULL | ROM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -92.64% | -83.36% | -9.28% |
Max Drawdown (1Y)Largest decline over 1 year | -73.90% | -32.33% | -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 | -90.30% | -5.26% | -85.04% |
Average DrawdownAverage peak-to-trough decline | -82.73% | -20.87% | -61.86% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 47.88% | 10.56% | +37.32% |
Volatility
BULL vs. ROM - Volatility Comparison
The current volatility for Webull Corp (BULL) is 13.83%, while ProShares Ultra Technology (ROM) has a volatility of 14.61%. This indicates that BULL experiences smaller price fluctuations and is considered to be less risky than ROM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BULL | ROM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.83% | 14.61% | -0.78% |
Volatility (6M)Calculated over the trailing 6-month period | 40.85% | 33.55% | +7.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 68.71% | 41.92% | +26.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 361.73% | 51.62% | +310.11% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 361.73% | 49.82% | +311.91% |
Dividends
BULL vs. ROM - Dividend Comparison
BULL has not paid dividends to shareholders, while ROM's dividend yield for the trailing twelve months is around 0.14%.
| 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 | 0.14% | 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
BULL and ROM have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ROM has higher volatility (14.61%) compared to BULL (13.83%). In terms of maximum drawdown, BULL dropped -92.64% vs ROM's -83.36%.
ROM currently has the higher Sharpe Ratio (3.44 vs -0.66), 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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