What is SO's short interest?

28,961,449 shares, as of the 15 September 2026 settlement date. That is the figure FINRA published, unadjusted.

What percentage of the float is short?

We do not publish that, because FINRA does not publish float. The regulator reports the number of shares held short; turning it into a percentage needs a share count from somewhere else, and different sources disagree about what counts as float. We would rather give you the number that was actually filed than a percentage built on an assumption.

It is 17 days old, and that is as fresh as short interest gets. FINRA measures it twice a month and publishes it seven business days after the settlement date. Any site showing you a "live" short interest figure is showing you something else.

What does days to cover mean?

It is the short position divided by average daily trading volume — here, 5.24. It describes how many days of ordinary trading the position is equivalent to. It is arithmetic from the filing, not a prediction about what will happen.

Where does this come from?

FINRA's consolidated short interest file, which is public. We read it directly and store it unchanged, except that we blank the days-to-cover placeholder FINRA writes when a stock has almost no volume.

Ticker

SO

The Southern Company

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SO in the last 90 days

The Southern Company (SO) had no congress transactions and no insider purchases in filings from the last 90 days.

FINRA’s latest report (settlement 15 SEPT 2026) shows 28,961,449 shares held short, 5.2 days to cover, down 17.7% from the report before.

Delay: each filing below shows how many days passed between the trade and its publication. None of this is real-time.

Latest filing on file: 16 JAN 2026 · FINRA settlement 15 SEPT 2026 · public filings, reported as filed

What the filings show

What the filings show · last 90 days

1 of 4 sources

+52Leaning in

Leaning outBalancedLeaning in

The disclosed money is leaning into this name, on what has actually been filed. This reads on one source only, so treat it lightly.

Short interest: Short interest fell 20.9% — 36,593,870 to 28,961,449 shares between 15 JUL 2026 and 15 SEPT 2026. See the filings →; +52

This summarises filings that have already been published — it is not a forecast, a rating of the company, or advice. Every figure above is listed in full further down this page, with the document it came from.

FINRA short interest

Settlement 15 SEPT 2026 · shares held short

28,961,449shares held short

Days to cover

5.24

Avg daily volume

5,524,840

Since last report

-17.71%

As of 15 September 2026, 28,961,449 The Southern Company shares were held short — the total across every reporting firm, not one fund's position. That is 6,232,785 shares fewer than the previous report, a 17.71% decrease. At the average daily volume of 5,524,840 shares, that position represents 5.24 days of trading — what the filing calls days to cover.

This is the most recent figure that exists, and it is 17 days old. FINRA collects short interest twice a month, on a settlement date, and publishes it about eight business days later. So nobody has a live short-interest number for SO — not us, and not anyone quoting one. We print the settlement date on the figure so you always know which day you are looking at.

Across the 12 reports we hold, the position has risen from 27,124,191 shares on 31 March 2026 to 28,961,449 today, a change of 6.8%. The highest reading in that window was 37,411,093 shares on 30 June 2026.

Settlement	Shares short	Days to cover
15 SEPT 2026	28,961,449	5.24
31 AUG 2026	35,194,234	6.07
14 AUG 2026	32,587,743	5.62
31 JUL 2026	36,366,279	7.35
15 JUL 2026	36,593,870	8.44
30 JUN 2026	37,411,093	4.51
15 JUN 2026	30,487,332	4.84
29 MAY 2026	29,714,772	5.51
15 MAY 2026	25,966,609	4.40
30 APR 2026	24,610,369	5.85
15 APR 2026	25,093,807	5.71
31 MAR 2026	27,124,191	5.18

What is SO's short interest?: 28,961,449 shares, as of the 15 September 2026 settlement date. That is the figure FINRA published, unadjusted.
What percentage of the float is short?: We do not publish that, because FINRA does not publish float. The regulator reports the number of shares held short; turning it into a percentage needs a share count from somewhere else, and different sources disagree about what counts as float. We would rather give you the number that was actually filed than a percentage built on an assumption.
How current is this?: It is 17 days old, and that is as fresh as short interest gets. FINRA measures it twice a month and publishes it seven business days after the settlement date. Any site showing you a "live" short interest figure is showing you something else.
What does days to cover mean?: It is the short position divided by average daily trading volume — here, 5.24. It describes how many days of ordinary trading the position is equivalent to. It is arithmetic from the filing, not a prediction about what will happen.
Where does this come from?: FINRA's consolidated short interest file, which is public. We read it directly and store it unchanged, except that we blank the days-to-cover placeholder FINRA writes when a stock has almost no volume.

Disclosed insider buying on file

—no purchase on file passed the price check

Open-market purchases only — the amount is a fact, not a verdict.

On file here

Short positions0

Insider purchases0

Congress transactions6

Latest change16 JAN 2026

SHORT POSITIONS · 0INSIDER BUYS · 0CONGRESS · 6

Congress transactions on file

6 disclosed · newest first · every row links to its filing

Who		Amount as filed	Traded	Filed	Lag
Hon. Jared Moskowitz	BOUGHT	$1,001 – $15,000	02 DEC 2025	16 JAN 2026	45 days
Hon. Valerie Hoyle	SOLD	$1,001 – $15,000	23 SEPT 2025	10 OCT 2025	17 days
Hon. Valerie Hoyle	BOUGHT	$1,001 – $15,000	29 OCT 2024	12 SEPT 2025	318 days — the law says 45
Hon. Marjorie Taylor Greene	BOUGHT	$1,001 – $15,000	28 AUG 2025	29 AUG 2025	1 day
Hon. Jared Moskowitz	BOUGHT	$1,001 – $15,000	07 APR 2025	09 MAY 2025	32 days
Hon. Marjorie Taylor Greene	BOUGHT	$1,001 – $15,000	03 APR 2025	07 APR 2025	4 days

What this page will never showNo price targetsNo score out of 100No buy or sell callsNo predictionsDocuments, dates, and how late they were.