DEI vs. CCOI

Last updated Jun 3, 2026

DEI (Douglas Emmett, Inc.) and CCOI (Cogent Communications Holdings, Inc.) are both stocks. DEI operates in REIT - Office (Real Estate), while CCOI operates in Telecom Services (Communication Services). Over the past 10 years, DEI returned -6.27%/yr vs -3.51%/yr for CCOI. At a 0.35 correlation, their price movements are largely independent.

Performance

DEI vs. CCOI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Douglas Emmett, Inc. (DEI) and Cogent Communications Holdings, Inc. (CCOI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DEI achieves a 10.25% return, which is significantly higher than CCOI's -19.13% return. Over the past 10 years, DEI has underperformed CCOI with an annualized return of -6.27%, while CCOI has yielded a comparatively higher -3.51% annualized return.

DEI

• 1D: 2.50%
• 1M: 8.50%
• YTD: 10.25%
• 6M: 1.94%
• 1Y: -11.08%
• 3Y*: 5.62%
• 5Y*: -15.79%
• 10Y*: -6.27%

CCOI

• 1D: -1.64%
• 1M: -24.78%
• YTD: -19.13%
• 6M: -12.77%
• 1Y: -61.09%
• 3Y*: -31.53%
• 5Y*: -21.39%
• 10Y*: -3.51%

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

DEI vs. CCOI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DEI Douglas Emmett, Inc.	10.25%	-37.51%	34.59%	-1.87%	-50.89%	18.75%	-30.86%	31.96%	-14.54%	15.04%
CCOI Cogent Communications Holdings, Inc.	-19.13%	-70.14%	7.19%	41.23%	-17.20%	27.78%	-5.33%	51.98%	4.25%	14.33%

Correlation

The correlation between DEI and CCOI is 0.24, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.24
Correlation (3Y) Calculated over the trailing 3-year period	0.30
Correlation (5Y) Calculated over the trailing 5-year period	0.32
Correlation (10Y) Calculated over the trailing 10-year period	0.31
Correlation (All Time) Calculated using the full available price history since Oct 26, 2006	0.35

The correlation between DEI and CCOI shifts across timeframes, from 0.24 (1 year) to 0.35 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap DEI : $1.99B CCOI : $831.28M
EPS DEI : -$0.16 CCOI : -$3.56
PS Ratio DEI : 1.98 CCOI : 0.87
Total Revenue (TTM) DEI : $1.00B CCOI : $948.70M
Gross Profit (TTM) DEI : $277.78M CCOI : $307.44M
EBITDA (TTM) DEI : $544.46M CCOI : $187.51M

Return for Risk

DEI vs. CCOI — Risk / Return Rank

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

DEI

DEI Risk / Return Rank: 27
DEI Sharpe Ratio Rank: 24
DEI Sortino Ratio Rank: 22
DEI Omega Ratio Rank: 23
DEI Calmar Ratio Rank: 32
DEI Martin Ratio Rank: 32

CCOI

CCOI Risk / Return Rank: 11
CCOI Sharpe Ratio Rank: 11
CCOI Sortino Ratio Rank: 14
CCOI Omega Ratio Rank: 12
CCOI Calmar Ratio Rank: 7
CCOI Martin Ratio Rank: 10

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.

DEI vs. CCOI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Douglas Emmett, Inc. (DEI) and Cogent Communications Holdings, Inc. (CCOI). 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.

	DEI	CCOI	Difference
Sharpe ratio Return per unit of total volatility	-0.38	-0.72	+0.34
Sortino ratio Return per unit of downside risk	-0.37	-0.76	+0.38
Omega ratio Gain probability vs. loss probability	0.96	0.88	+0.08
Calmar ratio Return relative to maximum drawdown	-0.25	-0.88	+0.62
Martin ratio Return relative to average drawdown	-0.42	-1.31	+0.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DEI vs. CCOI - Sharpe Ratio Comparison

The current DEI Sharpe Ratio is -0.38, which is higher than the CCOI Sharpe Ratio of -0.72. The chart below compares the historical Sharpe Ratios of DEI and CCOI, 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

	DEI	CCOI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.38	-0.72	+0.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.44	-0.45	+0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.19	-0.09	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	-0.00	-0.06	+0.06

Drawdowns

DEI vs. CCOI - Drawdown Comparison

The maximum DEI drawdown since its inception was -76.53%, smaller than the maximum CCOI drawdown of -96.52%. Use the drawdown chart below to compare losses from any high point for DEI and CCOI.

Drawdown Indicators

	DEI	CCOI	Difference
Max Drawdown Largest peak-to-trough decline	-76.53%	-96.52%	+19.99%
Max Drawdown (1Y) Largest decline over 1 year	-44.09%	-69.30%	+25.21%
Max Drawdown (3Y) Largest decline over 3 years	-51.83%	-80.02%	+28.19%
Max Drawdown (5Y) Largest decline over 5 years	-70.10%	-80.02%	+9.92%
Max Drawdown (10Y) Largest decline over 10 years	-74.01%	-80.02%	+6.01%
Current Drawdown Current decline from peak	-64.46%	-77.93%	+13.47%
Average Drawdown Average peak-to-trough decline	-26.05%	-59.18%	+33.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	26.49%	46.38%	-19.89%

Volatility

DEI vs. CCOI - Volatility Comparison

The current volatility for Douglas Emmett, Inc. (DEI) is 9.81%, while Cogent Communications Holdings, Inc. (CCOI) has a volatility of 42.89%. This indicates that DEI experiences smaller price fluctuations and is considered to be less risky than CCOI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DEI	CCOI	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.81%	42.89%	-33.08%
Volatility (6M) Calculated over the trailing 6-month period	21.29%	68.67%	-47.38%
Volatility (1Y) Calculated over the trailing 1-year period	29.45%	85.19%	-55.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.38%	47.43%	-11.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.64%	40.73%	-8.09%

Dividends

DEI vs. CCOI - Dividend Comparison

DEI's dividend yield for the trailing twelve months is around 6.40%, more than CCOI's 6.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CCOI Cogent Communications Holdings, Inc.	6.18%	14.15%	5.09%	4.94%	6.23%	4.33%	4.64%	3.71%	4.69%	3.97%	3.65%	4.21%
DEI Douglas Emmett, Inc.	6.40%	6.92%	4.09%	5.24%	6.57%	3.34%	3.84%	2.41%	2.96%	2.29%	2.43%	2.73%

Financials

DEI vs. CCOI - Profitability Comparison

The chart below illustrates the profitability comparison between Douglas Emmett, Inc. and Cogent Communications Holdings, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

DEI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Douglas Emmett, Inc. reported a gross profit of 0.00 and revenue of 250.96M. Therefore, the gross margin over that period was 0.0%.

CCOI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cogent Communications Holdings, Inc. reported a gross profit of 109.96M and revenue of 239.19M. Therefore, the gross margin over that period was 46.0%.

DEI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Douglas Emmett, Inc. reported an operating income of 0.00 and revenue of 250.96M, resulting in an operating margin of 0.0%.

CCOI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cogent Communications Holdings, Inc. reported an operating income of -13.51M and revenue of 239.19M, resulting in an operating margin of -5.7%.

DEI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Douglas Emmett, Inc. reported a net income of -2.50M and revenue of 250.96M, resulting in a net margin of -1.0%.

CCOI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cogent Communications Holdings, Inc. reported a net income of -39.54M and revenue of 239.19M, resulting in a net margin of -16.5%.

Frequently Asked Questions

Can I hold both DEI and CCOI in my portfolio?

DEI and CCOI have a correlation of 0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DEI or CCOI?

CCOI has higher volatility (42.89%) compared to DEI (9.81%). In terms of maximum drawdown, DEI dropped -76.53% vs CCOI's -96.52%.

Which has better risk-adjusted returns?

DEI currently has the higher Sharpe Ratio (-0.38 vs -0.72), 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.