CI Deep Analytical Report

The Cigna Group | Category: Equity Mega Cap | Ann. Div Yield: 2.11% ($6.04) | Last Updated: 2026-02-22 | Data Range: 1982-03-01 → 2026-02-01 (528 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 2.02% 1.95% 1.74% 2.32% 1.78% 1.87% 275.36 285.35 270.49 290.48
Weekly 4.42% 5.37% 4.51% 5.44% 3.92% 4.11% 269.52 291.53 259.15 303.19
Monthly 8.75% 14.81% 10.28% 12.11% 8.17% 8.55% 258.32 304.17 238.06 330.05
Quarterly 15.20% 29.92% 19.67% 20.25% 14.15% 14.82% 243.33 322.91 211.23 371.98
Annual 28.29% 29.63% 211.23 371.98 159.18 493.63
Option Time Horizon 10.88% 11.40% 251.41 312.54 225.48 348.47
Calculation Notes: Computed at 2026-02-22T14:18 UTC  |  Reference Contract: Call option expiring 2026-04-17 (54 days)  |  Spot Price (S): $280.31  |  Strike (K): $290.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $8.4500 (Bid $8.1000 / Ask $8.8000)  |  Risk-Free Rate (r): 3.72% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 2.11%  |  Binomial IV (Annual): 28.29% (CRR binomial tree, American, n=20 steps)  |  BS IV: 28.53% (European Black-Scholes)  |  Yahoo IV (Annual): 29.63% → 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
2025-12-04 $1.5100
2025-09-04 $1.5100
2025-06-03 $1.5100
2025-03-05 $1.5100
2024-12-04 $1.4000
2024-09-04 $1.4000
2024-06-04 $1.4000
2024-03-05 $1.4000
2023-12-05 $1.2300
2023-09-05 $1.2300
2023-06-06 $1.2300
2023-03-07 $1.2300
2022-12-05 $1.1200
2022-09-06 $1.1200
2022-06-07 $1.1200
2022-03-08 $1.1200
2021-12-06 $1.0000
2021-09-07 $1.0000
2021-06-07 $1.0000
2021-03-09 $1.0000
2020-03-09 $0.0400
2019-03-08 $0.0400
2018-03-09 $0.0400
2017-03-08 $0.0400
2016-03-09 $0.0400
2015-03-10 $0.0400
2014-03-10 $0.0400
2013-03-08 $0.0400
2012-03-08 $0.0400
2011-03-09 $0.0400
2010-03-09 $0.0400
2009-03-09 $0.0400
2008-03-07 $0.0400
2007-12-11 $0.0100
2007-09-10 $0.0100
2007-06-08 $0.0100
2007-03-09 $0.0083
2006-12-07 $0.0083
2006-09-07 $0.0083
2006-06-08 $0.0083
2006-03-09 $0.0083
2005-12-08 $0.0083
2005-09-08 $0.0083
2005-06-09 $0.0083
2005-03-10 $0.0083
2004-12-09 $0.0083
2004-09-09 $0.0083
2004-06-10 $0.0083
2004-03-11 $0.1100
2003-12-09 $0.1100
2003-09-09 $0.1100
2003-06-06 $0.1100
2003-03-07 $0.1100
2002-12-11 $0.1100
2002-09-10 $0.1100
2002-06-10 $0.1100
2002-03-11 $0.1100
2001-12-13 $0.1067
2001-09-10 $0.1067
2001-06-08 $0.1067
2001-03-09 $0.1067
2000-12-20 $0.1033
2000-09-08 $0.1033
2000-06-08 $0.1033
2000-03-09 $0.1033
1999-12-21 $0.1000
1999-09-08 $0.1000
1999-06-09 $0.1000
1999-03-10 $0.1000
1998-12-22 $0.0960
1998-09-09 $0.0960
1998-06-10 $0.0960
1998-03-11 $0.0956
1997-12-10 $0.0922
1997-09-10 $0.0922
1997-06-10 $0.0922
1997-03-11 $0.0922
1996-12-11 $0.0889
1996-09-10 $0.0889
1996-06-10 $0.0889
1996-03-11 $0.0889
1995-12-11 $0.0844
1995-09-08 $0.0844
1995-06-08 $0.0844
1995-03-07 $0.0844
1994-12-07 $0.0844
1994-09-06 $0.0844
1994-06-06 $0.0844
1994-03-07 $0.0844
1993-12-07 $0.0844
1993-09-03 $0.0844
1993-06-07 $0.0844
1993-03-08 $0.0844
1992-12-07 $0.0844
1992-09-04 $0.0844
1992-06-08 $0.0844
1992-03-09 $0.0844
1991-12-09 $0.0844
1991-09-06 $0.0844
1991-06-06 $0.0844
1991-03-07 $0.0844
1990-12-07 $0.0844
1990-09-06 $0.0844
1990-06-06 $0.0844
1990-03-07 $0.0844
1989-12-07 $0.0822
1989-09-06 $0.0822
1989-06-06 $0.0822
1989-03-07 $0.0822
1988-12-07 $0.0822
1988-09-06 $0.0822
1988-06-06 $0.1252
1988-03-07 $0.0822
1987-12-07 $0.0778
1987-09-04 $0.0778
1987-06-08 $0.0778
1987-03-09 $0.0778
1986-12-08 $0.0722
1986-09-08 $0.0722
1986-06-06 $0.0722
1986-03-07 $0.0722
1985-12-09 $0.0722
1985-09-06 $0.0722
1985-06-06 $0.0722
1985-03-07 $0.0722
1984-12-07 $0.0722
1984-09-06 $0.0722
1984-06-06 $0.0722
1984-03-07 $0.0722
1983-12-05 $0.0689
1983-09-02 $0.0689
1983-06-06 $0.0689
1983-03-07 $0.0689
1982-12-07 $0.0639
1982-09-07 $0.0639
1982-06-07 $0.0639
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Left Skewed (Negative Asymmetry) with a Skewness factor of -0.83. Further, an Excess Kurtosis of 29.20 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.01%790.71%0.71%
-6.01% to -4.49%810.73%1.45%
-4.49% to -2.97%3132.83%4.28%
-2.97% to -1.45%117510.62%14.90%
-1.45% to 0.07%395335.74%50.64%
0.07% to 1.58%373533.77%84.40%
1.58% to 3.10%124311.24%95.64%
3.10% to 4.62%3202.89%98.54%
4.62% to 6.14%920.83%99.37%
Greater than 6.14%700.63%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.96%2.09% 80.70%68.27%
±2σ -3.98%4.11% 95.92%95.45%
±3σ -6.01%6.14% 98.65%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 10.28. Further, an Excess Kurtosis of 310.97 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -3.52%00.00%0.00%
-3.52% to -2.06%00.00%0.00%
-2.06% to -0.60%00.00%0.00%
-0.60% to 0.86%7977.20%7.20%
0.86% to 2.32%641257.96%65.17%
2.32% to 3.78%260523.55%88.72%
3.78% to 5.24%7326.62%95.34%
5.24% to 6.70%2542.30%97.63%
6.70% to 8.15%1000.90%98.54%
Greater than 8.15%1621.46%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.37%4.26% 91.85%68.27%
±2σ -1.57%6.21% 97.13%95.45%
±3σ -3.52%8.15% 98.54%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.14. Further, an Excess Kurtosis of 22.74 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -5.22%700.63%0.63%
-5.22% to -3.92%830.75%1.38%
-3.92% to -2.62%3493.15%4.54%
-2.62% to -1.32%129811.73%16.27%
-1.32% to -0.02%364432.94%49.21%
-0.02% to 1.28%389335.19%84.41%
1.28% to 2.58%122211.05%95.45%
2.58% to 3.89%3343.02%98.47%
3.89% to 5.19%910.82%99.29%
Greater than 5.19%780.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.75%1.72% 78.89%68.27%
±2σ -3.49%3.45% 95.77%95.45%
±3σ -5.22%5.19% 98.66%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.10. Further, an Excess Kurtosis of 9.14 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -12.96%210.92%0.92%
-12.96% to -9.64%251.09%2.01%
-9.64% to -6.32%612.66%4.67%
-6.32% to -3.01%26511.57%16.24%
-3.01% to 0.31%76533.41%49.65%
0.31% to 3.63%75232.84%82.49%
3.63% to 6.94%29412.84%95.33%
6.94% to 10.26%763.32%98.65%
10.26% to 13.58%150.66%99.30%
Greater than 13.58%160.70%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.11%4.73% 78.73%68.27%
±2σ -8.54%9.16% 95.41%95.45%
±3σ -12.96%13.58% 98.38%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 9.23. Further, an Excess Kurtosis of 161.77 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -10.03%00.00%0.00%
-10.03% to -6.00%00.00%0.00%
-6.00% to -1.98%00.00%0.00%
-1.98% to 2.05%924.02%4.02%
2.05% to 6.08%141261.63%65.65%
6.08% to 10.10%55324.14%89.79%
10.10% to 14.13%1375.98%95.77%
14.13% to 18.15%482.10%97.86%
18.15% to 22.18%200.87%98.73%
Greater than 22.18%291.27%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.71%11.44% 92.97%68.27%
±2σ -4.66%16.81% 97.21%95.45%
±3σ -10.03%22.18% 98.73%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.15. Further, an Excess Kurtosis of 24.45 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.57%130.57%0.57%
-13.57% to -10.19%80.35%0.92%
-10.19% to -6.80%552.40%3.32%
-6.80% to -3.42%30313.23%16.54%
-3.42% to -0.04%82936.19%52.73%
-0.04% to 3.35%75432.91%85.64%
3.35% to 6.73%23210.13%95.77%
6.73% to 10.12%482.10%97.86%
10.12% to 13.50%210.92%98.78%
Greater than 13.50%281.22%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.55%4.48% 80.01%68.27%
±2σ -9.06%8.99% 95.85%95.45%
±3σ -13.57%13.50% 98.21%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Left Skewed (Negative Asymmetry) with a Skewness factor of -0.63. Further, an Excess Kurtosis of 4.74 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -24.92%30.57%0.57%
-24.92% to -18.36%40.76%1.33%
-18.36% to -11.79%234.36%5.69%
-11.79% to -5.23%7113.47%19.17%
-5.23% to 1.33%15529.41%48.58%
1.33% to 7.90%17232.64%81.21%
7.90% to 14.46%7313.85%95.07%
14.46% to 21.03%203.80%98.86%
21.03% to 27.59%40.76%99.62%
Greater than 27.59%20.38%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -7.42%10.09% 73.06%68.27%
±2σ -16.17%18.84% 95.83%95.45%
±3σ -24.92%27.59% 99.05%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 10.74. Further, an Excess Kurtosis of 156.49 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -30.08%00.00%0.00%
-30.08% to -18.97%00.00%0.00%
-18.97% to -7.87%00.00%0.00%
-7.87% to 3.24%00.00%0.00%
3.24% to 14.34%35467.05%67.05%
14.34% to 25.45%13926.33%93.37%
25.45% to 36.55%264.92%98.30%
36.55% to 47.66%20.38%98.67%
47.66% to 58.76%30.57%99.24%
Greater than 58.76%40.76%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -0.46%29.15% 96.02%68.27%
±2σ -15.27%43.95% 98.67%95.45%
±3σ -30.08%58.76% 99.24%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.18. Further, an Excess Kurtosis of 39.76 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -31.09%00.00%0.00%
-31.09% to -23.39%10.19%0.19%
-23.39% to -15.68%81.52%1.70%
-15.68% to -7.97%7113.45%15.15%
-7.97% to -0.27%21540.72%55.87%
-0.27% to 7.44%15429.17%85.04%
7.44% to 15.15%5610.61%95.64%
15.15% to 22.85%163.03%98.67%
22.85% to 30.56%40.76%99.43%
Greater than 30.56%30.57%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -10.54%10.01% 82.20%68.27%
±2σ -20.82%20.28% 97.92%95.45%
±3σ -31.09%30.56% 99.43%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Left Skewed (Negative Asymmetry) with a Skewness factor of -0.71. Further, an Excess Kurtosis of 2.05 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -41.48%21.14%1.14%
-41.48% to -30.08%00.00%1.14%
-30.08% to -18.68%95.11%6.25%
-18.68% to -7.28%2212.50%18.75%
-7.28% to 4.12%4827.27%46.02%
4.12% to 15.53%5631.82%77.84%
15.53% to 26.93%3218.18%96.02%
26.93% to 38.33%63.41%99.43%
38.33% to 49.73%10.57%100.00%
Greater than 49.73%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -11.08%19.33% 72.16%68.27%
±2σ -26.28%34.53% 96.59%95.45%
±3σ -41.48%49.73% 98.86%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 8.01. Further, an Excess Kurtosis of 78.93 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -61.77%00.00%0.00%
-61.77% to -39.33%00.00%0.00%
-39.33% to -16.89%00.00%0.00%
-16.89% to 5.55%00.00%0.00%
5.55% to 27.99%12470.06%70.06%
27.99% to 50.43%4625.99%96.05%
50.43% to 72.87%21.13%97.18%
72.87% to 95.31%21.13%98.31%
95.31% to 117.75%00.00%98.31%
Greater than 117.75%31.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.93%57.91% 97.18%68.27%
±2σ -31.85%87.83% 97.74%95.45%
±3σ -61.77%117.75% 98.31%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.06. Further, an Excess Kurtosis of 26.49 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -59.79%00.00%0.00%
-59.79% to -45.04%00.00%0.00%
-45.04% to -30.28%10.56%0.56%
-30.28% to -15.53%2514.12%14.69%
-15.53% to -0.78%7944.63%59.32%
-0.78% to 13.97%5128.81%88.14%
13.97% to 28.72%158.47%96.61%
28.72% to 43.47%42.26%98.87%
43.47% to 58.23%00.00%98.87%
Greater than 58.23%21.13%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -20.45%18.89% 86.44%68.27%
±2σ -40.12%38.56% 97.74%95.45%
±3σ -59.79%58.23% 98.87%99.73%