Borsa Italiana · 1SO · stock
The Southern Company (1SO) stock price history
Every Borsa Italiana trading session of The Southern Company from Jan 17, 2024 to Nov 12, 2026: 639 daily bars, adjusted for splits and dividends, with minute bars from Sep 24, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
1SO adjusted close, 2024 to 2026
- €84.82
- All time high, 2026
- €84.82
- 52 week high, €70.24 low
- 639
- Daily sessions since 2024
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
1SO key facts
- The Southern Company (1SO) closed at €84.82 on Nov 12, 2026 on Borsa Italiana.
- 1SO's all time high close is €84.82, set on Nov 6, 2026; its all time low close is €56.41 on Feb 7, 2024.
- 1SO's 52 week range is €70.24 to €84.82.
- 1SO returned +12.4% over the year to Nov 12, 2026.
- Since Jan 17, 2024 1SO returned +45%, +14.0% a year compounded.
- 1SO's deepest drawdown was -13.5% from Mar 16, 2026 to Sep 25, 2026.
- DataCedar holds 639 daily sessions of 1SO history from Jan 17, 2024 and minute bars from Sep 24, 2026, adjusted for splits and dividends, served by the API under a key.
1SO price chart, 2024 to 2026
1SO returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +15.2% |
| 3 months | +8.1% |
| 6 months | +7.7% |
| Year to date | +16.9% |
| 1 year | +12.4% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Jan 17, 2024 | +44.7% |
| Compound annual growth, 2.8 years | +14.0% |
1SO records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €84.82 on Nov 6, 2026
- All time low close
- €56.41 on Feb 7, 2024
- 52 week high
- €84.82 on Nov 6, 2026
- 52 week low
- €70.24 on Dec 12, 2025
- Deepest drawdown
- -13.5% from Mar 16, 2026 to Sep 25, 2026, recovered Nov 6, 2026
- Best single session
- +9.1% on Oct 19, 2026
- Worst single session
- -8.6% on Apr 22, 2026
- Volatility, 1 year annualised
- 20.6%
- Sessions closing higher, 1 year
- 9%
- Best calendar year
- 2025, -3%
- Worst calendar year
- 2025, -3%
1SO price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2024 starts on Jan 17, 2024; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €72.54 | €84.82 | €70.93 | €84.82 | +16.9% | 306 | 193 |
| 2025 | €74.75 | €80.24 | €70.24 | €72.54 | -3.0% | 750 | 224 |
| 2024 | €58.62 | €79.06 | €56.41 | €74.75 | n/a | 2.4K | 222 |
1SO monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | €84.82 | +2.3% |
| October 2026 | €82.94 | +13.2% |
| September 2026 | €73.24 | -4.5% |
| August 2026 | €76.68 | -8.1% |
| July 2026 | €83.41 | +6.2% |
| June 2026 | €78.54 | +1.7% |
| May 2026 | €77.25 | -1.9% |
| April 2026 | €78.75 | -6.7% |
| March 2026 | €84.45 | +5.5% |
| February 2026 | €80.04 | +8.5% |
| January 2026 | €73.74 | +1.6% |
| December 2025 | €72.54 | -3.9% |
About the 1SO data
Daily bars. 639 sessions from Jan 17, 2024 to Nov 12, 2026, one row per Borsa Italiana trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 24, 2026 forward, most recent session Oct 1, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jan 17, 2024, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/borsa-italiana%3A1SO/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1SO share price history
