SO

SO options carry 98.9K contracts of open interest across 16 expiries, 13% of it in the Oct 16 contract, with 0.68 puts per call.

79% of open interest sits beyond the Oct 16 contract · 45 strikes listed for it · 98.9K contracts open in all

The Oct 16 contract holds 9K calls and 4.04K puts, the most call OI at $87.50 and the most put OI at $85.00; max pain $85.00, +2.5% from the close.

Call OI, contracts

9K8,999 contracts

Put OI, contracts

4.04K4,038 contracts

Puts per call, by OI

0.45all expiries 0.68

Max pain

$85.00+2.5% from the close

Strikes listed

45for this expiry

Revenue $8.40B, +8.0% on a year earlier; profit $1.36B, +1.6% in the Mar 2026 quarter, consolidated.

SO trades at 21 times trailing earnings, 2.6 times book value, revenue +8.3% over twelve months, a 1.8% dividend yield, market cap $93.44B.

Market cap

$93.44Bon Sep 30

Price to earnings

21consolidated · four quarters to Mar 2026

Trailing EPS

$3.91diluted · consolidated · four quarters to Mar 2026

Price to book

2.6consolidated · balance sheet to Dec 2025

Book value a share

$31.95consolidated · balance sheet to Dec 2025

Debt to equity

—

Return on equity

13%trailing profit over average equity · consolidated

Dividend yield

1.8%$1.52 a share in 365 days

Price to sales

3.1market cap over revenue, four quarters to Mar 2026

Shares outstanding

1.13Bon Sep 30

Revenue, trailing 12 months

$30.18Bfour quarters to Mar 2026

Revenue growth, 12 months

▲ +8.3%against the twelve months before

Revenue 3-year CAGR

▲ +1.2%trailing twelve months against the twelve months 3 years earlier · consolidated

Profit, trailing 12 months

$4.36Bfour quarters to Mar 2026

Profit growth, 12 months

—

Profit 3-year CAGR

—

13F managers hold 140% of shares, BlackRock, Inc. the largest at 17%, VANGUARD CAPITAL MANAGEMENT LLC 13% and STATE STREET CORP 12%, as filed for the quarter to Jun 2026.

• BlackRock, Inc. 16.5%
• VANGUARD CAPITAL MANAGEMENT LLC 13.1%
• STATE STREET CORP 11.5%
• Other 13F managers 97.8%

Held by 13F managers

140%of shares outstanding

Shares held

1.57B+5.1% on Mar 2026 among managers filing both

Managers holding

2,2582,251 a quarter earlier

Largest holder

17%BlackRock, Inc.

No open-market insider buying or selling in the last 90 days.

Nothing upcoming on record; the last was a dividend of $0.76 a share, ex-date Aug 17, 2026.

SO is −5.9% over 20 sessions against the S&P 500's +0.1%, 16% below its 52-week high, realised volatility 13% annualised.

Average true range, 14

$1.31.5% of the close

Average day's range, 20

$1.21.4% of the close

Volume against 20 sessions

1.38×8.55M vs 6.39M average

Realised volatility, 20

13%≈ ±0.82% a session · moved more than that on 5 of 20

Realised volatility, 60

14%≈ ±0.91% a session · moved more than that on 15 of 60

Beta to S&P 500, 60

-0.12moved with S&P 500 on 34 of 60 sessions

Last 20 sessions

6 up · 14 downof 20

Last 60 sessions

22 up · 38 downof 60

Best session, 250

▲ +3.4%Apr 30

Worst session, 250

▼ −3.3%Jun 1

Short sales were 55% of reported volume on Sep 30, 2026, against 47% over the last 25 sessions.

Company

The Southern Company

Exchange

XNYS

SEC CIK

92122

Sessions on record

131

Price source

End of day · delayed

Computed

1 Oct, 11:00 pm IST

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