BULL vs. ROM
BULL (Webull Corp) is a stock, while ROM (ProShares Ultra Technology) is Leveraged Equities fund tracking the S&P Technology Select Sector Index (200%). Over the past year, BULL returned -41.67% vs 80.90% for ROM. At a 0.34 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 -6.31% return, which is significantly lower than ROM's 48.40% return.
BULL
- 1D
- -1.36%
- 1M
- 11.31%
- 6M
- -12.08%
- YTD
- -6.31%
- 1Y
- -41.67%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ROM
- 1D
- -4.84%
- 1M
- -4.75%
- 6M
- 43.03%
- YTD
- 48.40%
- 1Y
- 80.90%
- 3Y*
- 45.24%
- 5Y*
- 22.69%
- 10Y*
- 39.61%
BULL vs. ROM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
BULL Webull Corp | -6.31% | -33.13% |
ROM ProShares Ultra Technology | 48.40% | 86.93% |
Correlation
The correlation between BULL and ROM is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Apr 10, 2025 | 0.34 |
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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.
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.
| BULL | ROM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.28 | ||
| Sortino ratioReturn per unit of downside risk | -2.75 | ||
| Omega ratioGain probability vs. loss probability | 0.92 | 1.27 | -0.35 |
| Calmar ratioReturn relative to maximum drawdown | -0.57 | 2.52 | -3.08 |
| Martin ratioReturn relative to average drawdown | -0.81 | 7.00 | -7.81 |
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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 | -88.43% | -18.18% | -70.25% |
Average DrawdownAverage peak-to-trough decline | -82.99% | -20.84% | -62.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 51.66% | 11.59% | +40.07% |
Volatility
BULL vs. ROM - Volatility Comparison
The current volatility for Webull Corp (BULL) is 18.00%, while ProShares Ultra Technology (ROM) has a volatility of 22.09%. 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 | 18.00% | 22.09% | -4.09% |
Volatility (6M)Calculated over the trailing 6-month period | 44.08% | 41.79% | +2.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 68.18% | 49.04% | +19.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 347.01% | 52.89% | +294.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 347.01% | 50.37% | +296.64% |
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 0.06%.
| 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 | 0.06% | 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 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ROM has higher volatility (22.09%) compared to BULL (18.00%). In terms of maximum drawdown, BULL dropped -92.64% vs ROM's -83.36%.
ROM currently has the higher Sharpe Ratio (1.66 vs -0.61), 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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