SO vs. CCI

Last updated Jun 6, 2026

SO (The Southern Company) and CCI (Crown Castle International Corp.) are both stocks. SO operates in Utilities - Regulated Electric (Utilities), while CCI operates in REIT - Specialty (Real Estate). Over the past 10 years, SO returned 10.83%/yr vs 4.31%/yr for CCI. At a 0.28 correlation, their price movements are largely independent.

Performance

SO vs. CCI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in The Southern Company (SO) and Crown Castle International Corp. (CCI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SO having a 7.91% return and CCI slightly lower at 7.65%. Over the past 10 years, SO has outperformed CCI with an annualized return of 10.83%, while CCI has yielded a comparatively lower 4.31% annualized return.

SO

• 1D: 1.07%
• 1M: 1.71%
• YTD: 7.91%
• 6M: 9.06%
• 1Y: 8.35%
• 3Y*: 14.05%
• 5Y*: 11.60%
• 10Y*: 10.83%

CCI

• 1D: 0.75%
• 1M: 4.33%
• YTD: 7.65%
• 6M: 8.42%
• 1Y: -0.01%
• 3Y*: -0.45%
• 5Y*: -9.48%
• 10Y*: 4.31%

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

SO vs. CCI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SO The Southern Company	7.91%	9.47%	21.72%	2.21%	8.24%	16.34%	0.63%	51.65%	-3.75%	2.42%
CCI Crown Castle International Corp.	7.65%	2.96%	-16.39%	-10.24%	-32.57%	35.08%	15.49%	35.45%	1.75%	32.97%

Correlation

The correlation between SO and CCI is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
Correlation (3Y) Calculated over the trailing 3-year period	0.46
Correlation (5Y) Calculated over the trailing 5-year period	0.52
Correlation (10Y) Calculated over the trailing 10-year period	0.48
Correlation (All Time) Calculated using the full available price history since Aug 19, 1998	0.28

The correlation between SO and CCI shifts across timeframes, from 0.28 (all time) to 0.52 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SO : $104.45B CCI : $41.29B
EPS SO : $3.92 CCI : $2.42
PE Ratio SO : 23.62 CCI : 38.99
PS Ratio SO : 3.42 CCI : 9.80
Total Revenue (TTM) SO : $30.17B CCI : $4.21B
Gross Profit (TTM) SO : $13.01B CCI : $2.03B
EBITDA (TTM) SO : $14.44B CCI : $2.15B

Return for Risk

SO vs. CCI — Risk / Return Rank

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

SO

SO Risk / Return Rank: 54
SO Sharpe Ratio Rank: 59
SO Sortino Ratio Rank: 51
SO Omega Ratio Rank: 49
SO Calmar Ratio Rank: 54
SO Martin Ratio Rank: 55

CCI

CCI Risk / Return Rank: 37
CCI Sharpe Ratio Rank: 40
CCI Sortino Ratio Rank: 33
CCI Omega Ratio Rank: 33
CCI Calmar Ratio Rank: 40
CCI Martin Ratio Rank: 39

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.

SO vs. CCI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for The Southern Company (SO) and Crown Castle International Corp. (CCI). 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.

	SO	CCI	Difference
Sharpe ratio: Return per unit of total volatility	0.52	-0.05	+0.57
Sortino ratio: Return per unit of downside risk	0.84	0.12	+0.73
Omega ratio: Gain probability vs. loss probability	1.10	1.01	+0.09
Calmar ratio: Return relative to maximum drawdown	0.55	-0.04	+0.59
Martin ratio: Return relative to average drawdown	1.29	-0.08	+1.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SO vs. CCI - Sharpe Ratio Comparison

The current SO Sharpe Ratio is 0.52, which is higher than the CCI Sharpe Ratio of -0.05. The chart below compares the historical Sharpe Ratios of SO and CCI, 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

	SO	CCI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.52	-0.05	+0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	-0.36	+0.98
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.17	+0.33
Sharpe Ratio (All Time) Calculated using the full available price history	0.62	0.21	+0.42

Drawdowns

SO vs. CCI - Drawdown Comparison

The maximum SO drawdown since its inception was -38.43%, smaller than the maximum CCI drawdown of -97.52%. Use the drawdown chart below to compare losses from any high point for SO and CCI.

Drawdown Indicators

	SO	CCI	Difference
Max Drawdown Largest peak-to-trough decline	-38.43%	-97.52%	+59.09%
Max Drawdown (1Y) Largest decline over 1 year	-14.99%	-30.01%	+15.02%
Max Drawdown (3Y) Largest decline over 3 years	-14.99%	-30.77%	+15.78%
Max Drawdown (5Y) Largest decline over 5 years	-23.28%	-55.48%	+32.20%
Max Drawdown (10Y) Largest decline over 10 years	-38.43%	-55.48%	+17.05%
Current Drawdown Current decline from peak	-5.79%	-43.91%	+38.12%
Average Drawdown Average peak-to-trough decline	-6.87%	-25.91%	+19.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.35%	17.67%	-11.32%

Volatility

SO vs. CCI - Volatility Comparison

The current volatility for The Southern Company (SO) is 5.62%, while Crown Castle International Corp. (CCI) has a volatility of 8.70%. This indicates that SO experiences smaller price fluctuations and is considered to be less risky than CCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SO	CCI	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.62%	8.70%	-3.08%
Volatility (6M) Calculated over the trailing 6-month period	12.98%	22.42%	-9.44%
Volatility (1Y) Calculated over the trailing 1-year period	15.97%	26.80%	-10.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.65%	26.62%	-7.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.94%	25.97%	-4.03%

Dividends

SO vs. CCI - Dividend Comparison

SO's dividend yield for the trailing twelve months is around 3.22%, less than CCI's 4.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CCI Crown Castle International Corp.	4.50%	5.35%	6.90%	5.43%	4.41%	2.62%	3.10%	3.22%	3.94%	3.51%	4.15%	3.87%
SO The Southern Company	3.22%	3.37%	3.47%	3.96%	3.78%	3.82%	4.13%	3.86%	5.42%	4.78%	4.52%	4.60%

Financials

SO vs. CCI - Profitability Comparison

The chart below illustrates the profitability comparison between The Southern Company and Crown Castle International Corp. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SO - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, The Southern Company reported a gross profit of 3.90B and revenue of 8.40B. Therefore, the gross margin over that period was 46.5%.

CCI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Crown Castle International Corp. reported a gross profit of 0.00 and revenue of 1.01B. Therefore, the gross margin over that period was 0.0%.

SO - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, The Southern Company reported an operating income of 2.02B and revenue of 8.40B, resulting in an operating margin of 24.0%.

CCI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Crown Castle International Corp. reported an operating income of 465.00M and revenue of 1.01B, resulting in an operating margin of 46.0%.

SO - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, The Southern Company reported a net income of 1.36B and revenue of 8.40B, resulting in a net margin of 16.2%.

CCI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Crown Castle International Corp. reported a net income of 151.00M and revenue of 1.01B, resulting in a net margin of 15.0%.

Frequently Asked Questions

Can I hold both SO and CCI in my portfolio?

SO and CCI have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SO or CCI?

CCI has higher volatility (8.70%) compared to SO (5.62%). In terms of maximum drawdown, SO dropped -38.43% vs CCI's -97.52%.

Which has better risk-adjusted returns?

SO currently has the higher Sharpe Ratio (0.52 vs -0.05), 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.