SO Deep Analytical Report

The Southern Company | Category: Equity Mega Cap | Ann. Div Yield: 3.09% ($2.94) | Last Updated: 2026-02-22 | Data Range: 1981-12-01 → 2026-02-01 (531 months)
Quick Overview
Timeframe C-C DoR σ
(Historical)
H-L DoR σ
(Historical)
O-C DoR σ
(Historical)
5Y ATRP
(Avg)
Binomial IV
(Period)
Yahoo IV
(Period)
1σ Lower
(68.27%)
1σ Upper 2σ Lower
(95.45%)
2σ Upper
Daily 1.26% 1.06% 1.16% 1.74% 1.29% 1.44% 93.09 95.52 91.90 96.76
Weekly 2.65% 2.47% 2.61% 3.89% 2.84% 3.17% 91.66 97.01 89.10 99.81
Monthly 4.86% 4.83% 4.85% 8.37% 5.91% 6.59% 88.89 100.04 83.79 106.12
Quarterly 7.36% 7.60% 7.11% 14.07% 10.23% 11.42% 85.13 104.46 76.85 115.71
Annual 20.46% 22.84% 76.85 115.71 62.63 141.98
Option Time Horizon 6.69% 7.47% 88.20 100.82 82.49 107.80
Calculation Notes: Computed at 2026-02-22T14:18 UTC  |  Reference Contract: Call option expiring 2026-04-02 (39 days)  |  Spot Price (S): $94.30  |  Strike (K): $96.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $1.8250 (Bid $1.5500 / Ask $2.1000)  |  Risk-Free Rate (r): 3.72% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 3.09%  |  Binomial IV (Annual): 20.46% (CRR binomial tree, American, n=20 steps)  |  BS IV: 20.69% (European Black-Scholes)  |  Yahoo IV (Annual): 22.84% → period-scaled as σperiod = σannual·√h  |  Price bands: Upper = S·e+σ√h, Lower = S·e−σ√h
Historical Dividend Payouts
Ex-Dividend Date Amount
2026-02-17 $0.7400
2025-11-17 $0.7400
2025-08-18 $0.7400
2025-05-19 $0.7400
2025-02-18 $0.7200
2024-11-18 $0.7200
2024-08-19 $0.7200
2024-05-17 $0.7200
2024-02-16 $0.7000
2023-11-17 $0.7000
2023-08-18 $0.7000
2023-05-12 $0.7000
2023-02-17 $0.6800
2022-11-18 $0.6800
2022-08-12 $0.6800
2022-05-13 $0.6800
2022-02-18 $0.6600
2021-11-12 $0.6600
2021-08-13 $0.6600
2021-05-14 $0.6600
2021-02-12 $0.6400
2020-11-13 $0.6400
2020-08-14 $0.6400
2020-05-15 $0.6400
2020-02-14 $0.6200
2019-11-15 $0.6200
2019-08-16 $0.6200
2019-05-17 $0.6200
2019-02-15 $0.6000
2018-11-16 $0.6000
2018-08-17 $0.6000
2018-05-18 $0.6000
2018-02-16 $0.5800
2017-11-17 $0.5800
2017-08-17 $0.5800
2017-05-11 $0.5800
2017-02-16 $0.5600
2016-11-17 $0.5600
2016-08-11 $0.5600
2016-05-12 $0.5600
2016-02-11 $0.5430
2015-11-12 $0.5430
2015-08-13 $0.5430
2015-05-14 $0.5430
2015-02-12 $0.5250
2014-10-30 $0.5250
2014-07-31 $0.5250
2014-05-01 $0.5250
2014-01-30 $0.5070
2013-10-31 $0.5070
2013-08-01 $0.5070
2013-05-02 $0.5070
2013-01-31 $0.4900
2012-11-01 $0.4900
2012-08-02 $0.4900
2012-05-03 $0.4900
2012-02-02 $0.4730
2011-11-03 $0.4730
2011-07-28 $0.4730
2011-04-28 $0.4730
2011-02-03 $0.4550
2010-10-28 $0.4550
2010-07-29 $0.4550
2010-04-29 $0.4550
2010-01-28 $0.4380
2009-10-29 $0.4380
2009-07-30 $0.4380
2009-04-30 $0.4380
2009-01-29 $0.4200
2008-10-30 $0.4200
2008-07-31 $0.4200
2008-05-01 $0.4200
2008-01-31 $0.4030
2007-11-01 $0.4030
2007-08-02 $0.4030
2007-05-03 $0.4030
2007-02-01 $0.3880
2006-11-02 $0.3880
2006-08-03 $0.3880
2006-04-27 $0.3880
2006-02-02 $0.3730
2005-11-03 $0.3730
2005-07-28 $0.3730
2005-04-28 $0.3730
2005-02-03 $0.3580
2004-10-28 $0.3580
2004-07-29 $0.3580
2004-04-29 $0.3500
2004-01-29 $0.3500
2003-10-30 $0.3500
2003-07-31 $0.3500
2003-05-01 $0.3420
2003-01-30 $0.3430
2002-10-31 $0.3430
2002-08-01 $0.3430
2002-05-02 $0.3350
2002-01-31 $0.3350
2001-11-01 $0.3350
2001-08-02 $0.3350
2001-05-03 $0.3350
2001-02-01 $0.2047
2000-11-02 $0.2047
2000-08-03 $0.2047
2000-04-27 $0.2047
2000-02-03 $0.2047
1999-10-28 $0.2047
1999-07-29 $0.2047
1999-04-29 $0.2047
1999-01-28 $0.2047
1998-10-29 $0.2047
1998-07-30 $0.2047
1998-04-30 $0.2047
1998-01-29 $0.2047
1997-10-30 $0.1985
1997-07-31 $0.1985
1997-05-01 $0.1985
1997-01-30 $0.1985
1996-10-31 $0.1924
1996-08-01 $0.1924
1996-05-02 $0.1924
1996-02-01 $0.1924
1995-11-02 $0.1863
1995-08-03 $0.1863
1995-04-25 $0.1863
1995-01-31 $0.1863
1994-11-01 $0.1802
1994-07-26 $0.1802
1994-04-26 $0.1802
1994-02-01 $0.1802
1993-10-26 $0.1741
1993-07-27 $0.1741
1993-04-27 $0.1741
1993-01-26 $0.1741
1992-10-27 $0.1680
1992-07-28 $0.1680
1992-04-28 $0.1680
1992-01-28 $0.1680
1991-10-29 $0.1634
1991-07-30 $0.1634
1991-04-30 $0.1634
1991-01-29 $0.1634
1990-10-30 $0.1634
1990-07-31 $0.1634
1990-05-01 $0.1634
1990-01-30 $0.1634
1989-10-31 $0.1634
1989-08-01 $0.1634
1989-04-25 $0.1634
1989-01-31 $0.1634
1988-11-01 $0.1634
1988-07-26 $0.1634
1988-04-26 $0.1634
1988-01-26 $0.1634
1987-10-27 $0.1634
1987-07-28 $0.1634
1987-04-28 $0.1634
1987-01-27 $0.1634
1986-10-28 $0.1634
1986-07-29 $0.1558
1986-04-29 $0.1558
1986-01-28 $0.1558
1985-10-29 $0.1558
1985-07-30 $0.1466
1985-04-30 $0.1466
1985-01-29 $0.1466
1984-10-30 $0.1466
1984-07-31 $0.1375
1984-05-01 $0.1375
1984-01-31 $0.1375
1983-11-01 $0.1375
1983-07-26 $0.1298
1983-04-26 $0.1298
1983-02-01 $0.1298
1982-10-26 $0.1298
1982-07-27 $0.1298
1982-04-27 $0.1237
1982-01-26 $0.1237
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.25. Further, an Excess Kurtosis of 16.37 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -3.73%730.66%0.66%
-3.73% to -2.78%1020.92%1.57%
-2.78% to -1.83%3433.08%4.66%
-1.83% to -0.89%140212.60%17.26%
-0.89% to 0.06%405436.45%53.71%
0.06% to 1.01%323529.08%82.79%
1.01% to 1.95%138412.44%95.24%
1.95% to 2.90%3683.31%98.54%
2.90% to 3.85%990.89%99.43%
Greater than 3.85%630.57%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.20%1.32% 77.72%68.27%
±2σ -2.46%2.58% 95.77%95.45%
±3σ -3.73%3.85% 98.78%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 3.97. Further, an Excess Kurtosis of 36.42 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -1.47%00.00%0.00%
-1.47% to -0.67%00.00%0.00%
-0.67% to 0.13%00.00%0.00%
0.13% to 0.92%171715.44%15.44%
0.92% to 1.72%529747.62%63.05%
1.72% to 2.52%250422.51%85.56%
2.52% to 3.31%9648.67%94.23%
3.31% to 4.11%3022.71%96.94%
4.11% to 4.91%1621.46%98.40%
Greater than 4.91%1781.60%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.66%2.78% 85.73%68.27%
±2σ -0.41%3.84% 96.25%95.45%
±3σ -1.47%4.91% 98.40%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.45. Further, an Excess Kurtosis of 15.87 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -3.51%660.59%0.59%
-3.51% to -2.64%1171.05%1.65%
-2.64% to -1.77%3503.15%4.79%
-1.77% to -0.91%143312.88%17.67%
-0.91% to -0.04%319628.73%46.40%
-0.04% to 0.83%400435.99%82.40%
0.83% to 1.70%141412.71%95.11%
1.70% to 2.56%3623.25%98.36%
2.56% to 3.43%1171.05%99.42%
Greater than 3.43%650.58%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.20%1.12% 77.10%68.27%
±2σ -2.35%2.27% 95.38%95.45%
±3σ -3.51%3.43% 98.82%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.52. Further, an Excess Kurtosis of 18.28 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.67%120.52%0.52%
-7.67% to -5.68%251.09%1.61%
-5.68% to -3.69%743.21%4.82%
-3.69% to -1.70%27511.94%16.76%
-1.70% to 0.29%75932.96%49.72%
0.29% to 2.28%76633.26%82.98%
2.28% to 4.27%28412.33%95.31%
4.27% to 6.26%753.26%98.57%
6.26% to 8.25%220.96%99.52%
Greater than 8.25%110.48%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.37%2.94% 77.81%68.27%
±2σ -5.02%5.60% 95.66%95.45%
±3σ -7.67%8.25% 99.00%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.41. Further, an Excess Kurtosis of 38.54 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -3.45%00.00%0.00%
-3.45% to -1.60%00.00%0.00%
-1.60% to 0.25%00.00%0.00%
0.25% to 2.10%32013.89%13.89%
2.10% to 3.95%113449.22%63.11%
3.95% to 5.80%53523.22%86.33%
5.80% to 7.65%1827.90%94.23%
7.65% to 9.50%733.17%97.40%
9.50% to 11.35%251.09%98.48%
Greater than 11.35%351.52%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 1.48%6.42% 87.15%68.27%
±2σ -0.98%8.89% 96.66%95.45%
±3σ -3.45%11.35% 98.48%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.41. Further, an Excess Kurtosis of 19.31 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.96%70.30%0.30%
-7.96% to -6.00%180.78%1.09%
-6.00% to -4.05%723.12%4.21%
-4.05% to -2.09%30413.19%17.40%
-2.09% to -0.14%77833.77%51.17%
-0.14% to 1.81%75532.77%83.94%
1.81% to 3.77%25411.02%94.97%
3.77% to 5.72%783.39%98.35%
5.72% to 7.68%220.95%99.31%
Greater than 7.68%160.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.75%2.47% 77.95%68.27%
±2σ -5.35%5.07% 95.44%95.45%
±3σ -7.96%7.68% 99.00%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.07. Further, an Excess Kurtosis of 1.10 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.35%10.19%0.19%
-13.35% to -9.71%81.51%1.70%
-9.71% to -6.06%275.09%6.79%
-6.06% to -2.42%7514.15%20.94%
-2.42% to 1.23%14827.92%48.87%
1.23% to 4.87%16731.51%80.38%
4.87% to 8.51%7313.77%94.15%
8.51% to 12.15%244.53%98.68%
12.15% to 15.80%40.75%99.43%
Greater than 15.80%30.57%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.63%6.08% 71.32%68.27%
±2σ -8.49%10.94% 95.09%95.45%
±3σ -13.35%15.80% 99.25%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 3.95. Further, an Excess Kurtosis of 33.29 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.01%00.00%0.00%
-6.01% to -2.39%00.00%0.00%
-2.39% to 1.24%00.00%0.00%
1.24% to 4.86%8215.44%15.44%
4.86% to 8.49%24946.89%62.34%
8.49% to 12.11%12222.98%85.31%
12.11% to 15.74%448.29%93.60%
15.74% to 19.36%173.20%96.80%
19.36% to 22.99%81.51%98.31%
Greater than 22.99%91.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 3.65%13.32% 83.99%68.27%
±2σ -1.18%18.15% 96.42%95.45%
±3σ -6.01%22.99% 98.31%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.34. Further, an Excess Kurtosis of 0.73 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -15.13%10.19%0.19%
-15.13% to -11.49%40.75%0.94%
-11.49% to -7.85%254.71%5.65%
-7.85% to -4.21%7514.12%19.77%
-4.21% to -0.57%17633.15%52.92%
-0.57% to 3.07%14427.12%80.04%
3.07% to 6.71%6612.43%92.47%
6.71% to 10.35%285.27%97.74%
10.35% to 13.98%101.88%99.62%
Greater than 13.98%20.38%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -5.42%4.28% 70.81%68.27%
±2σ -10.28%9.13% 95.10%95.45%
±3σ -15.13%13.99% 99.44%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.13. Further, an Excess Kurtosis of 1.23 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -18.49%10.56%0.56%
-18.49% to -12.97%10.56%1.13%
-12.97% to -7.45%84.52%5.65%
-7.45% to -1.93%2916.38%22.03%
-1.93% to 3.59%5229.38%51.41%
3.59% to 9.11%4525.42%76.84%
9.11% to 14.63%3117.51%94.35%
14.63% to 20.16%63.39%97.74%
20.16% to 25.68%31.69%99.44%
Greater than 25.68%10.56%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.77%10.95% 77.40%68.27%
±2σ -11.13%18.32% 93.79%95.45%
±3σ -18.49%25.68% 98.87%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.92. Further, an Excess Kurtosis of 14.76 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.71%00.00%0.00%
-7.71% to -2.01%00.00%0.00%
-2.01% to 3.69%00.00%0.00%
3.69% to 9.39%2614.61%14.61%
9.39% to 15.09%8547.75%62.36%
15.09% to 20.79%4525.28%87.64%
20.79% to 26.49%116.18%93.82%
26.49% to 32.19%42.25%96.07%
32.19% to 37.89%42.25%98.31%
Greater than 37.89%31.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 7.49%22.69% 83.15%68.27%
±2σ -0.11%30.29% 96.07%95.45%
±3σ -7.71%37.89% 98.31%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.44. Further, an Excess Kurtosis of 1.22 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -23.09%10.56%0.56%
-23.09% to -17.76%00.00%0.56%
-17.76% to -12.42%73.93%4.49%
-12.42% to -7.09%3519.66%24.16%
-7.09% to -1.76%4927.53%51.69%
-1.76% to 3.58%5329.78%81.46%
3.58% to 8.91%2212.36%93.82%
8.91% to 14.24%42.25%96.07%
14.24% to 19.57%63.37%99.44%
Greater than 19.57%10.56%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.87%5.35% 76.40%68.27%
±2σ -15.98%12.46% 93.26%95.45%
±3σ -23.09%19.57% 98.88%99.73%