CDW vs. ROM

Last updated Jun 5, 2026

CDW (CDW Corporation) is a stock, while ROM (ProShares Ultra Technology) is Leveraged Equities fund tracking the Dow Jones U.S. Technology Index (200%). Over the past 10 years, CDW returned 14.02%/yr vs 42.12%/yr for ROM. A 0.55 correlation means they provide meaningful diversification when combined.

Performance

CDW vs. ROM - Performance Comparison

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

Returns By Period

In the year-to-date period, CDW achieves a 3.51% return, which is significantly lower than ROM's 71.82% return. Over the past 10 years, CDW has underperformed ROM with an annualized return of 14.02%, while ROM has yielded a comparatively higher 42.12% annualized return.

CDW

• 1D: 1.57%
• 1M: 2.54%
• YTD: 3.51%
• 6M: -2.46%
• 1Y: -19.60%
• 3Y*: -4.92%
• 5Y*: -2.32%
• 10Y*: 14.02%

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%

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

CDW vs. ROM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CDW CDW Corporation	3.51%	-20.56%	-22.57%	28.84%	-11.75%	56.87%	-6.55%	78.22%	17.98%	34.92%
ROM ProShares Ultra Technology	71.82%	35.63%	31.65%	130.70%	-63.86%	77.75%	80.42%	102.10%	-9.89%	81.11%

Correlation

The correlation between CDW and ROM is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.45
Correlation (5Y) Calculated over the trailing 5-year period	0.56
Correlation (10Y) Calculated over the trailing 10-year period	0.56
Correlation (All Time) Calculated using the full available price history since Jun 28, 2013	0.55

Over the past year, the correlation between CDW and ROM has dropped to 0.28 - well below their long-term average of 0.55, suggesting their price drivers have been diverging.

Return for Risk

CDW vs. ROM — Risk / Return Rank

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

CDW

CDW Risk / Return Rank: 22
CDW Sharpe Ratio Rank: 20
CDW Sortino Ratio Rank: 21
CDW Omega Ratio Rank: 19
CDW Calmar Ratio Rank: 27
CDW Martin Ratio Rank: 25

ROM

ROM Risk / Return Rank: 82
ROM Sharpe Ratio Rank: 93
ROM Sortino Ratio Rank: 80
ROM Omega Ratio Rank: 78
ROM Calmar Ratio Rank: 84
ROM Martin Ratio Rank: 73

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.

CDW vs. ROM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CDW Corporation (CDW) 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.

	CDW	ROM	Difference
Sharpe ratio: Return per unit of total volatility	-0.49	3.44	-3.93
Sortino ratio: Return per unit of downside risk	-0.45	3.53	-3.98
Omega ratio: Gain probability vs. loss probability	0.93	1.46	-0.53
Calmar ratio: Return relative to maximum drawdown	-0.44	4.46	-4.89
Martin ratio: Return relative to average drawdown	-0.86	13.62	-14.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CDW vs. ROM - Sharpe Ratio Comparison

The current CDW Sharpe Ratio is -0.49, which is lower than the ROM Sharpe Ratio of 3.44. The chart below compares the historical Sharpe Ratios of CDW and ROM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CDW	ROM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.49	3.44	-3.93
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.08	0.60	-0.68
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.85	-0.39
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.53	+0.09

Drawdowns

CDW vs. ROM - Drawdown Comparison

The maximum CDW drawdown since its inception was -60.37%, smaller than the maximum ROM drawdown of -83.36%. Use the drawdown chart below to compare losses from any high point for CDW and ROM.

Drawdown Indicators

	CDW	ROM	Difference
Max Drawdown Largest peak-to-trough decline	-60.37%	-83.36%	+22.99%
Max Drawdown (1Y) Largest decline over 1 year	-44.97%	-32.33%	-12.64%
Max Drawdown (3Y) Largest decline over 3 years	-60.37%	-48.10%	-12.27%
Max Drawdown (5Y) Largest decline over 5 years	-60.37%	-67.55%	+7.18%
Max Drawdown (10Y) Largest decline over 10 years	-60.37%	-67.55%	+7.18%
Current Drawdown Current decline from peak	-44.01%	-5.26%	-38.75%
Average Drawdown Average peak-to-trough decline	-10.93%	-20.87%	+9.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.87%	10.56%	+12.31%

Volatility

CDW vs. ROM - Volatility Comparison

CDW Corporation (CDW) has a higher volatility of 29.35% compared to ProShares Ultra Technology (ROM) at 14.61%. This indicates that CDW's price experiences larger fluctuations and is considered to be riskier than ROM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CDW	ROM	Difference
Volatility (1M) Calculated over the trailing 1-month period	29.35%	14.61%	+14.74%
Volatility (6M) Calculated over the trailing 6-month period	35.45%	33.55%	+1.90%
Volatility (1Y) Calculated over the trailing 1-year period	39.88%	41.92%	-2.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.88%	51.62%	-20.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.89%	49.82%	-18.93%

Dividends

CDW vs. ROM - Dividend Comparison

CDW's dividend yield for the trailing twelve months is around 1.80%, more than ROM's 0.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CDW CDW Corporation	1.80%	1.84%	1.43%	1.05%	1.17%	0.83%	1.17%	0.89%	1.14%	0.99%	0.93%	0.74%
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

Can I hold both CDW and ROM in my portfolio?

CDW and ROM have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CDW or ROM?

CDW has higher volatility (29.35%) compared to ROM (14.61%). In terms of maximum drawdown, CDW dropped -60.37% vs ROM's -83.36%.

Which has better risk-adjusted returns?

ROM currently has the higher Sharpe Ratio (3.44 vs -0.49), 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.