ROM vs. SOXX

Last updated Jun 23, 2026

ROM (ProShares Ultra Technology) and SOXX (iShares Semiconductor ETF) are both exchange-traded funds - ROM is a Leveraged Equities fund tracking the S&P Technology Select Sector Index (200%), while SOXX is a Semiconductors fund tracking the NYSE Semiconductor Index. Both are passively managed. Over the past 10 years, ROM returned 43.20%/yr vs 37.20%/yr for SOXX. Their correlation of 0.86 suggests significant overlap in exposure. ROM charges 0.95%/yr vs 0.34%/yr for SOXX.

Performance

ROM vs. SOXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Ultra Technology (ROM) and iShares Semiconductor ETF (SOXX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ROM achieves a 68.28% return, which is significantly lower than SOXX's 117.74% return. Over the past 10 years, ROM has outperformed SOXX with an annualized return of 43.20%, while SOXX has yielded a comparatively lower 37.20% annualized return.

ROM

• 1D: 1.04%
• 1M: 11.73%
• YTD: 68.28%
• 6M: 64.98%
• 1Y: 131.63%
• 3Y*: 55.44%
• 5Y*: 28.14%
• 10Y*: 43.20%

SOXX

• 1D: 2.43%
• 1M: 21.96%
• YTD: 117.74%
• 6M: 115.81%
• 1Y: 192.33%
• 3Y*: 60.51%
• 5Y*: 36.36%
• 10Y*: 37.20%

*Multi-year figures are annualized to reflect compound growth (CAGR)

ROM vs. SOXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ROM ProShares Ultra Technology	68.28%	35.63%	31.65%	130.70%	-63.86%	77.75%	80.42%	102.10%	-9.89%	81.11%
SOXX iShares Semiconductor ETF	117.74%	40.74%	12.92%	67.12%	-35.09%	44.09%	52.72%	62.42%	-6.49%	39.79%

Correlation

The correlation between ROM and SOXX is 0.82, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.82
Correlation (3Y) Calculated over the trailing 3-year period	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.86
Correlation (All Time) Calculated using the full available price history since Feb 1, 2007	0.86

The correlation between ROM and SOXX has been stable across timeframes, ranging from 0.82 to 0.88 - a consistent structural relationship.

ROM vs. SOXX - Sectors Allocation Comparison

Sectors	ROM	SOXX
Technology	56.6%	100.0%
Financial Services	3.2%	-
Energy	0.1%	-
Industrials	0.0%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Healthcare	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

ROM vs. SOXX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ROM

ROM Risk / Return Rank: 76
ROM Sharpe Ratio Rank: 89
ROM Sortino Ratio Rank: 69
ROM Omega Ratio Rank: 72
ROM Calmar Ratio Rank: 81
ROM Martin Ratio Rank: 68

SOXX

SOXX Risk / Return Rank: 96
SOXX Sharpe Ratio Rank: 98
SOXX Sortino Ratio Rank: 94
SOXX Omega Ratio Rank: 94
SOXX Calmar Ratio Rank: 98
SOXX Martin Ratio Rank: 97

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ROM vs. SOXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra Technology (ROM) and iShares Semiconductor ETF (SOXX). 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	SOXX	Difference
Sharpe ratio: Return per unit of total volatility	2.86	5.02	-2.17
Sortino ratio: Return per unit of downside risk	3.00	4.70	-1.70
Omega ratio: Gain probability vs. loss probability	1.41	1.68	-0.27
Calmar ratio: Return relative to maximum drawdown	4.10	12.28	-8.18
Martin ratio: Return relative to average drawdown	12.05	44.42	-32.38

ROM vs. SOXX - Sharpe Ratio Comparison

The current ROM Sharpe Ratio is 2.86, which is lower than the SOXX Sharpe Ratio of 5.02. The chart below compares the historical Sharpe Ratios of ROM and SOXX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ROM vs. SOXX - Drawdown Comparison

The maximum ROM drawdown since its inception was -83.36%, which is greater than SOXX's maximum drawdown of -70.21%. Use the drawdown chart below to compare losses from any high point for ROM and SOXX.

Drawdown Indicators

	ROM	SOXX	Difference
Max Drawdown Largest peak-to-trough decline	-83.36%	-70.21%	-13.15%
Max Drawdown (1Y) Largest decline over 1 year	-32.33%	-15.77%	-16.56%
Max Drawdown (3Y) Largest decline over 3 years	-48.10%	-41.36%	-6.74%
Max Drawdown (5Y) Largest decline over 5 years	-67.55%	-45.75%	-21.80%
Max Drawdown (10Y) Largest decline over 10 years	-67.55%	-45.75%	-21.80%
Current Drawdown Current decline from peak	-7.22%	0.00%	-7.22%
Average Drawdown Average peak-to-trough decline	-20.85%	-19.94%	-0.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.97%	4.35%	+6.62%

Volatility

ROM vs. SOXX - Volatility Comparison

ProShares Ultra Technology (ROM) has a higher volatility of 23.70% compared to iShares Semiconductor ETF (SOXX) at 20.75%. This indicates that ROM's price experiences larger fluctuations and is considered to be riskier than SOXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ROM	SOXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.70%	20.75%	+2.95%
Volatility (6M) Calculated over the trailing 6-month period	38.65%	32.29%	+6.36%
Volatility (1Y) Calculated over the trailing 1-year period	46.41%	38.61%	+7.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	52.40%	37.03%	+15.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.24%	33.95%	+16.29%

ROM vs. SOXX - Expense Ratio Comparison

ROM has a 0.95% expense ratio, which is higher than SOXX's 0.34% expense ratio.

Dividends

ROM vs. SOXX - Dividend Comparison

ROM's dividend yield for the trailing twelve months is around 0.14%, less than SOXX's 0.22% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
SOXX iShares Semiconductor ETF	0.22%	0.57%	0.67%	0.78%	1.26%	0.64%	0.81%	1.23%	1.37%	0.90%	1.08%	1.29%

Frequently Asked Questions

Can I hold both ROM and SOXX in my portfolio?

ROM and SOXX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ROM or SOXX?

ROM has higher volatility (23.70%) compared to SOXX (20.75%). In terms of maximum drawdown, ROM dropped -83.36% vs SOXX's -70.21%.

Which ETF is better, ROM or SOXX?

On 10-year performance, ROM leads with 43.20% vs 37.20% for SOXX. On fees, SOXX is cheaper at 0.34% per year. On volatility, SOXX has been the lower-risk option at 20.75%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ROM or SOXX?

Over the 10-year period, ROM has performed better with a 43.20% return vs 37.20%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ROM or SOXX?

SOXX is cheaper with a 0.34% expense ratio, compared with 0.95% for ROM.

Which ETF pays a higher dividend yield, ROM or SOXX?

SOXX has the higher dividend yield at 0.22%, compared with 0.14% for ROM.

What is the main difference between ROM and SOXX?

ROM is categorized as Leveraged Equities, while SOXX is Semiconductors. ROM tracks S&P Technology Select Sector Index (200%), while SOXX tracks NYSE Semiconductor Index. They also come from different issuers: ProShares and iShares. Their fees differ too: 0.95% for ROM and 0.34% for SOXX.

Which has better risk-adjusted returns?

SOXX currently has the higher Sharpe Ratio (5.02 vs 2.86), 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.