CI 深度分析报告

The Cigna Group | 分类: Equity Mega Cap | 年化股息率: 2.16% ($6.04) | 最后更新: 2026-04-26 | 数据区间: 1982-03-01 → 2026-04-01 (530 个月)
Quick 总览
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 低er
(68.27%)
1σ Upper 2σ 低er
(95.45%)
2σ Upper
日度 2.02% 1.94% 1.74% 2.34% 2.21% 2.27% 269.62 281.80 263.72 288.09
周度 4.42% 5.36% 4.51% 5.46% 4.86% 5.01% 262.55 289.38 250.09 303.80
月度 8.75% 14.78% 10.27% 12.00% 10.13% 10.42% 249.09 305.01 225.11 337.52
季度 15.21% 29.91% 19.67% 20.45% 17.54% 18.05% 231.30 328.48 194.09 391.46
Annual 35.08% 36.11% 194.09 391.46 136.66 555.94
Option Time Horizon 13.37% 13.76% 241.15 315.06 210.98 360.12
Calculation Notes: Computed at 2026-04-26T02:45 UTC  |  Reference Contract: Call option expiring 2026-06-18 (53 days)  |  Spot 价格 (S): $275.64  |  Strike (K): $280.00 (first OTM call ≥ spot)  |  Observed Mid-价格: $13.0500 (Bid $12.8000 / Ask $13.3000)  |  Risk-Free Rate (r): 3.69% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 2.16%  |  Binomial IV (Annual): 35.08% (CRR binomial tree, American, n=20 steps)  |  BS IV: 35.31% (European Black-Scholes)  |  Yahoo IV (Annual): 36.11% → period-scaled as σperiod = σannual·√h  |  价格 bands: Upper = S·e+σ√h, 低er = S·e−σ√h
Historical Dividend Payouts
Ex-Dividend Date Amount
2026-03-05 $1.5600
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
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Left Skewed (负向 Asymmetry) with a 偏度 factor of -0.82. Further, an Excess 峰度 of 29.18 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -6.00%790.71%0.71%
-6.00% to -4.48%820.74%1.45%
-4.48% to -2.97%3142.83%4.28%
-2.97% to -1.45%118410.66%14.94%
-1.45% to 0.07%396335.69%50.63%
0.07% to 1.58%374633.73%84.36%
1.58% to 3.10%125311.28%95.64%
3.10% to 4.61%3222.90%98.54%
4.61% to 6.13%920.83%99.37%
Greater than 6.13%700.63%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -1.96%2.09% 80.68%68.27%
±2σ -3.98%4.11% 95.93%95.45%
±3σ -6.00%6.13% 98.66%99.73%
高-to-低 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 10.28. Further, an Excess 峰度 of 311.56 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -3.51%00.00%0.00%
-3.51% to -2.05%00.00%0.00%
-2.05% to -0.59%00.00%0.00%
-0.59% to 0.86%8107.29%7.29%
0.86% to 2.32%642457.84%65.14%
2.32% to 3.78%262023.59%88.73%
3.78% to 5.23%7326.59%95.32%
5.23% to 6.69%2572.31%97.63%
6.69% to 8.15%1010.91%98.54%
Greater than 8.15%1621.46%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ 0.38%4.26% 91.82%68.27%
±2σ -1.56%6.20% 97.14%95.45%
±3σ -3.51%8.15% 98.54%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 1.14. Further, an Excess 峰度 of 22.68 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -5.22%700.63%0.63%
-5.22% to -3.92%830.75%1.38%
-3.92% to -2.62%3503.15%4.53%
-2.62% to -1.32%130811.78%16.31%
-1.32% to -0.02%366032.96%49.26%
-0.02% to 1.28%390135.13%84.39%
1.28% to 2.59%122611.04%95.43%
2.59% to 3.89%3383.04%98.47%
3.89% to 5.19%920.83%99.30%
Greater than 5.19%780.70%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -1.75%1.72% 78.90%68.27%
±2σ -3.49%3.45% 95.76%95.45%
±3σ -5.22%5.19% 98.67%99.73%
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of -0.10. Further, an Excess 峰度 of 9.14 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -12.95%210.91%0.91%
-12.95% to -9.63%251.09%2.00%
-9.63% to -6.32%622.70%4.70%
-6.32% to -3.00%26411.48%16.18%
-3.00% to 0.31%77133.54%49.72%
0.31% to 3.62%75432.80%82.51%
3.62% to 6.94%29512.83%95.35%
6.94% to 10.25%763.31%98.65%
10.25% to 13.57%150.65%99.30%
Greater than 13.57%160.70%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -4.11%4.73% 78.73%68.27%
±2σ -8.53%9.15% 95.39%95.45%
±3σ -12.95%13.57% 98.39%99.73%
高-to-低 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 9.24. Further, an Excess 峰度 of 162.35 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -10.00%00.00%0.00%
-10.00% to -5.98%00.00%0.00%
-5.98% to -1.96%00.00%0.00%
-1.96% to 2.06%934.04%4.04%
2.06% to 6.07%141761.61%65.65%
6.07% to 10.09%55524.13%89.78%
10.09% to 14.11%1386.00%95.78%
14.11% to 18.13%472.04%97.83%
18.13% to 22.15%210.91%98.74%
Greater than 22.15%291.26%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ 0.72%11.43% 93.00%68.27%
±2σ -4.64%16.79% 97.22%95.45%
±3σ -10.00%22.15% 98.74%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 2.14. Further, an Excess 峰度 of 24.45 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -13.56%130.57%0.57%
-13.56% to -10.18%80.35%0.91%
-10.18% to -6.80%552.39%3.30%
-6.80% to -3.42%30513.26%16.57%
-3.42% to -0.04%83036.09%52.65%
-0.04% to 3.35%75832.96%85.61%
3.35% to 6.73%23310.13%95.74%
6.73% to 10.11%492.13%97.87%
10.11% to 13.49%210.91%98.78%
Greater than 13.49%281.22%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -4.54%4.47% 80.04%68.27%
±2σ -9.05%8.98% 95.87%95.45%
±3σ -13.56%13.49% 98.22%99.73%
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Left Skewed (负向 Asymmetry) with a 偏度 factor of -0.63. Further, an Excess 峰度 of 4.74 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -24.91%30.57%0.57%
-24.91% to -18.35%40.76%1.32%
-18.35% to -11.79%234.35%5.67%
-11.79% to -5.23%7213.61%19.28%
-5.23% to 1.33%15529.30%48.58%
1.33% to 7.89%17332.70%81.29%
7.89% to 14.45%7313.80%95.09%
14.45% to 21.01%203.78%98.87%
21.01% to 27.57%40.76%99.62%
Greater than 27.57%20.38%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -7.42%10.07% 72.78%68.27%
±2σ -16.17%18.82% 95.84%95.45%
±3σ -24.91%27.57% 99.05%99.73%
高-to-低 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 10.75. Further, an Excess 峰度 of 157.01 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -30.01%00.00%0.00%
-30.01% to -18.93%00.00%0.00%
-18.93% to -7.84%00.00%0.00%
-7.84% to 3.24%00.00%0.00%
3.24% to 14.33%35667.17%67.17%
14.33% to 25.41%13926.23%93.40%
25.41% to 36.50%264.91%98.30%
36.50% to 47.58%20.38%98.68%
47.58% to 58.67%30.57%99.25%
Greater than 58.67%40.75%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -0.45%29.11% 96.04%68.27%
±2σ -15.23%43.89% 98.68%95.45%
±3σ -30.01%58.67% 99.25%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 4.18. Further, an Excess 峰度 of 39.75 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -31.06%00.00%0.00%
-31.06% to -23.36%10.19%0.19%
-23.36% to -15.66%81.51%1.70%
-15.66% to -7.96%7113.40%15.09%
-7.96% to -0.26%21640.75%55.85%
-0.26% to 7.44%15429.06%84.91%
7.44% to 15.14%5710.75%95.66%
15.14% to 22.84%163.02%98.68%
22.84% to 30.54%40.75%99.43%
Greater than 30.54%30.57%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -10.53%10.00% 82.26%68.27%
±2σ -20.79%20.27% 97.92%95.45%
±3σ -31.06%30.54% 99.43%99.73%
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Left Skewed (负向 Asymmetry) with a 偏度 factor of -0.71. Further, an Excess 峰度 of 2.04 proves the distribution possesses Fat Tails (高er Outlier Risk).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -41.50%21.14%1.14%
-41.50% to -30.10%00.00%1.14%
-30.10% to -18.69%95.11%6.25%
-18.69% to -7.29%2212.50%18.75%
-7.29% to 4.12%4827.27%46.02%
4.12% to 15.52%5631.82%77.84%
15.52% to 26.92%3218.18%96.02%
26.92% 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
SD低er BndUpper Bnd Actual %Normal %
±1σ -11.09%19.32% 72.16%68.27%
±2σ -26.30%34.52% 96.59%95.45%
±3σ -41.50%49.73% 98.86%99.73%
高-to-低 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 8.02. Further, an Excess 峰度 of 79.05 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -61.70%00.00%0.00%
-61.70% to -39.27%00.00%0.00%
-39.27% to -16.84%00.00%0.00%
-16.84% to 5.59%00.00%0.00%
5.59% to 28.02%12470.06%70.06%
28.02% to 50.45%4625.99%96.05%
50.45% to 72.88%21.13%97.18%
72.88% to 95.31%21.13%98.31%
95.31% to 117.74%00.00%98.31%
Greater than 117.74%31.69%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -1.89%57.92% 97.18%68.27%
±2σ -31.80%87.83% 97.74%95.45%
±3σ -61.70%117.74% 98.31%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals 高ly Right Skewed (Extreme 正向 Tail Risk) with a 偏度 factor of 4.06. Further, an Excess 峰度 of 26.49 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -59.78%00.00%0.00%
-59.78% to -45.02%00.00%0.00%
-45.02% to -30.27%10.56%0.56%
-30.27% to -15.52%2514.12%14.69%
-15.52% to -0.77%8045.20%59.89%
-0.77% to 13.98%5028.25%88.14%
13.98% to 28.73%158.47%96.61%
28.73% to 43.48%42.26%98.87%
43.48% to 58.23%00.00%98.87%
Greater than 58.23%21.13%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -20.44%18.90% 86.44%68.27%
±2σ -40.11%38.56% 97.74%95.45%
±3σ -59.78%58.23% 98.87%99.73%