WTW 深度分析报告

Willis Towers Watson Public Limited Company | 分类: Equity Large Cap | 年化股息率: 1.28% ($3.72) | 最后更新: 2026-04-26 | 数据区间: 2001-06-01 → 2026-04-01 (299 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 1.64% 1.60% 1.49% 2.02% 1.98% 2.32% 282.08 293.49 276.54 299.37
周度 3.55% 3.73% 3.53% 4.54% 4.37% 5.10% 275.44 300.57 263.67 313.98
月度 6.22% 7.03% 6.15% 9.48% 9.09% 10.62% 262.74 315.10 239.91 345.08
季度 10.50% 11.19% 9.98% 15.16% 15.74% 18.39% 245.83 336.78 210.03 394.18
Annual 31.48% 36.77% 210.03 394.18 153.31 540.02
Option Time Horizon 12.00% 14.01% 255.20 324.40 226.36 365.74
Calculation Notes: Computed at 2026-04-26T02:45 UTC  |  Reference Contract: Call option expiring 2026-06-18 (53 days)  |  Spot 价格 (S): $287.73  |  Strike (K): $310.00 (first OTM call ≥ spot)  |  Observed Mid-价格: $6.2000 (Bid $4.4000 / Ask $8.0000)  |  Risk-Free Rate (r): 3.69% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 1.28%  |  Binomial IV (Annual): 31.48% (CRR binomial tree, American, n=20 steps)  |  BS IV: 31.77% (European Black-Scholes)  |  Yahoo IV (Annual): 36.77% → 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
2026-03-31 $0.9600
2025-12-31 $0.9200
2025-09-30 $0.9200
2025-06-30 $0.9200
2025-03-31 $0.9200
2024-12-31 $0.8800
2024-09-30 $0.8800
2024-06-28 $0.8800
2024-03-27 $0.8800
2023-12-28 $0.8400
2023-09-28 $0.8400
2023-06-29 $0.8400
2023-03-30 $0.8400
2022-12-29 $0.8200
2022-09-29 $0.8200
2022-06-29 $0.8200
2022-03-30 $0.8200
2021-12-30 $0.8000
2021-09-29 $0.8000
2021-05-27 $0.7100
2021-03-30 $0.7100
2020-12-30 $0.7100
2020-09-29 $0.6800
2020-06-29 $0.6800
2020-03-30 $0.6800
2019-12-30 $0.6500
2019-09-27 $0.6500
2019-06-27 $0.6500
2019-03-28 $0.6500
2018-12-28 $0.6000
2018-09-27 $0.6000
2018-06-28 $0.6000
2018-03-28 $0.6000
2017-12-28 $0.5300
2017-09-28 $0.5300
2017-06-28 $0.5300
2017-03-29 $0.5300
2016-12-28 $0.4800
2016-09-28 $0.4800
2016-06-28 $0.4800
2016-03-29 $0.4800
2015-11-16 $0.8212
2015-09-28 $0.8212
2015-06-26 $0.8212
2015-03-27 $0.8212
2014-12-29 $0.7947
2014-09-26 $0.7947
2014-06-26 $0.7947
2014-03-27 $0.7947
2013-12-27 $0.7417
2013-09-26 $0.7417
2013-06-26 $0.7417
2013-03-26 $0.7417
2012-12-27 $0.7152
2012-09-26 $0.7152
2012-06-27 $0.7152
2012-03-28 $0.7152
2011-12-28 $0.6887
2011-09-28 $0.6887
2011-06-28 $0.6887
2011-03-29 $0.6887
2010-12-29 $0.6887
2010-09-28 $0.6887
2010-06-28 $0.6887
2010-03-29 $0.6887
2009-12-28 $0.6887
2009-09-28 $0.6887
2009-06-26 $0.6887
2009-03-27 $0.6887
2008-12-29 $0.6887
2008-09-26 $0.6887
2008-06-26 $0.6887
2008-03-27 $0.6887
2007-12-27 $0.6623
2007-09-26 $0.6623
2007-06-27 $0.6623
2007-03-28 $0.6623
2006-12-27 $0.6225
2006-09-27 $0.6225
2006-06-28 $0.6225
2006-03-29 $0.6225
2005-12-28 $0.5695
2005-09-28 $0.5695
2005-06-28 $0.5695
2005-03-29 $0.5695
2004-12-29 $0.4980
2004-09-28 $0.4980
2004-06-28 $0.4980
2004-03-29 $0.4980
2003-12-29 $0.4318
2003-09-26 $0.4318
2003-06-26 $0.3311
2003-03-27 $0.3311
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of -0.07. Further, an Excess 峰度 of 13.44 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -4.88%550.88%0.88%
-4.88% to -3.65%450.72%1.60%
-3.65% to -2.41%1642.62%4.22%
-2.41% to -1.18%6169.85%14.08%
-1.18% to 0.05%227836.44%50.51%
0.05% to 1.28%220835.32%85.83%
1.28% to 2.52%6009.60%95.43%
2.52% to 3.75%1672.67%98.10%
3.75% to 4.98%671.07%99.17%
Greater than 4.98%520.83%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -1.59%1.70% 81.51%68.27%
±2σ -3.24%3.34% 95.41%95.45%
±3σ -4.88%4.98% 98.29%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 4.85. Further, an Excess 峰度 of 49.36 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -2.76%00.00%0.00%
-2.76% to -1.55%00.00%0.00%
-1.55% to -0.35%00.00%0.00%
-0.35% to 0.85%5348.54%8.54%
0.85% to 2.06%361057.73%66.27%
2.06% to 3.26%132221.14%87.41%
3.26% to 4.46%4126.59%94.00%
4.46% to 5.66%1953.12%97.12%
5.66% to 6.87%731.17%98.29%
Greater than 6.87%1071.71%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ 0.45%3.66% 90.24%68.27%
±2σ -1.15%5.26% 96.31%95.45%
±3σ -2.76%6.87% 98.29%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 1.18. Further, an Excess 峰度 of 19.62 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -4.51%500.80%0.80%
-4.51% to -3.40%560.90%1.70%
-3.40% to -2.28%1802.88%4.57%
-2.28% to -1.16%63810.20%14.78%
-1.16% to -0.04%222535.58%50.36%
-0.04% to 1.08%218034.86%85.22%
1.08% to 2.20%65110.41%95.63%
2.20% to 3.32%1692.70%98.34%
3.32% to 4.44%560.90%99.23%
Greater than 4.44%480.77%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -1.53%1.45% 80.63%68.27%
±2σ -3.02%2.95% 95.39%95.45%
±3σ -4.51%4.44% 98.43%99.73%
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of 0.26. Further, an Excess 峰度 of 6.38 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -10.41%100.77%0.77%
-10.41% to -7.75%151.16%1.93%
-7.75% to -5.08%332.54%4.47%
-5.08% to -2.42%15111.64%16.11%
-2.42% to 0.24%45935.39%51.50%
0.24% to 2.91%42532.77%84.27%
2.91% to 5.57%13910.72%94.99%
5.57% to 8.24%332.54%97.53%
8.24% to 10.90%181.39%98.92%
Greater than 10.90%141.08%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -3.31%3.80% 80.19%68.27%
±2σ -6.86%7.35% 94.53%95.45%
±3σ -10.41%10.90% 98.15%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 3.58. Further, an Excess 峰度 of 22.70 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -6.13%00.00%0.00%
-6.13% to -3.33%00.00%0.00%
-3.33% to -0.53%00.00%0.00%
-0.53% to 2.27%13310.25%10.25%
2.27% to 5.06%71855.32%65.56%
5.06% to 7.86%27821.42%86.98%
7.86% to 10.66%836.39%93.37%
10.66% to 13.46%403.08%96.46%
13.46% to 16.26%201.54%98.00%
Greater than 16.26%262.00%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ 1.33%8.79% 89.75%68.27%
±2σ -2.40%12.53% 95.53%95.45%
±3σ -6.13%16.26% 98.00%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Right Skewed (正向 Asymmetry) with a 偏度 factor of 0.76. Further, an Excess 峰度 of 7.58 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -10.66%80.62%0.62%
-10.66% to -8.01%191.46%2.08%
-8.01% to -5.37%322.47%4.55%
-5.37% to -2.73%15411.86%16.41%
-2.73% to -0.08%45735.21%51.62%
-0.08% to 2.56%43533.51%85.13%
2.56% to 5.21%13410.32%95.45%
5.21% to 7.85%322.47%97.92%
7.85% to 10.50%100.77%98.69%
Greater than 10.50%171.31%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -3.61%3.44% 80.35%68.27%
±2σ -7.13%6.97% 94.68%95.45%
±3σ -10.66%10.50% 98.07%99.73%
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of 0.25. Further, an Excess 峰度 of 0.95 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -17.70%10.34%0.34%
-17.70% to -13.03%00.00%0.34%
-13.03% to -8.36%227.38%7.72%
-8.36% to -3.70%4013.42%21.14%
-3.70% to 0.97%8729.19%50.34%
0.97% to 5.64%8829.53%79.87%
5.64% to 10.30%4013.42%93.29%
10.30% to 14.97%175.70%98.99%
14.97% to 19.64%10.34%99.33%
Greater than 19.64%20.67%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -5.25%7.19% 71.81%68.27%
±2σ -11.48%13.42% 95.30%95.45%
±3σ -17.70%19.64% 98.99%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 3.60. Further, an Excess 峰度 of 22.01 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -10.05%00.00%0.00%
-10.05% to -4.78%00.00%0.00%
-4.78% to 0.50%00.00%0.00%
0.50% to 5.77%3812.71%12.71%
5.77% to 11.04%15050.17%62.88%
11.04% to 16.32%7023.41%86.29%
16.32% to 21.59%248.03%94.31%
21.59% to 26.87%82.68%96.99%
26.87% to 32.14%31.00%97.99%
Greater than 32.14%62.01%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ 4.01%18.08% 87.63%68.27%
±2σ -3.02%25.11% 96.32%95.45%
±3σ -10.05%32.14% 97.99%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of 0.22. Further, an Excess 峰度 of 0.92 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -18.87%20.67%0.67%
-18.87% to -14.25%10.33%1.00%
-14.25% to -9.64%144.68%5.69%
-9.64% to -5.03%4715.72%21.40%
-5.03% to -0.41%9130.43%51.84%
-0.41% to 4.20%8528.43%80.27%
4.20% to 8.82%3411.37%91.64%
8.82% to 13.43%217.02%98.66%
13.43% to 18.04%31.00%99.67%
Greater than 18.04%10.33%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -6.56%5.74% 71.57%68.27%
±2σ -12.72%11.89% 95.99%95.45%
±3σ -18.87%18.04% 99.00%99.73%
收盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of 0.38. Further, an Excess 峰度 of 0.37 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -28.57%00.00%0.00%
-28.57% to -20.70%00.00%0.00%
-20.70% to -12.83%66.06%6.06%
-12.83% to -4.95%1616.16%22.22%
-4.95% to 2.92%3131.31%53.54%
2.92% to 10.79%2323.23%76.77%
10.79% to 18.66%1818.18%94.95%
18.66% to 26.53%22.02%96.97%
26.53% to 34.41%22.02%98.99%
Greater than 34.41%11.01%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -7.58%13.41% 69.70%68.27%
±2σ -18.07%23.91% 95.96%95.45%
±3σ -28.57%34.41% 98.99%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 2.71. Further, an Excess 峰度 of 10.09 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -14.24%00.00%0.00%
-14.24% to -5.85%00.00%0.00%
-5.85% to 2.54%00.00%0.00%
2.54% to 10.93%1717.00%17.00%
10.93% to 19.32%4545.00%62.00%
19.32% to 27.71%2626.00%88.00%
27.71% to 36.10%55.00%93.00%
36.10% to 44.49%33.00%96.00%
44.49% to 52.88%11.00%97.00%
Greater than 52.88%33.00%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ 8.13%30.51% 88.00%68.27%
±2σ -3.06%41.70% 96.00%95.45%
±3σ -14.24%52.88% 97.00%99.73%
开盘-to-收盘 收益
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a 偏度 factor of 0.23. Further, an Excess 峰度 of -0.11 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / Range频率ProbCum. Prob
Less than -31.34%00.00%0.00%
-31.34% to -23.86%11.00%1.00%
-23.86% to -16.37%33.00%4.00%
-16.37% to -8.89%2222.00%26.00%
-8.89% to -1.41%2525.00%51.00%
-1.41% to 6.07%2727.00%78.00%
6.07% to 13.55%1515.00%93.00%
13.55% to 21.04%66.00%99.00%
21.04% to 28.52%11.00%100.00%
Greater than 28.52%00.00%100.00%
Standard Deviation Interval Analysis
SD低er BndUpper Bnd Actual %Normal %
±1σ -11.39%8.57% 71.00%68.27%
±2σ -21.36%18.54% 95.00%95.45%
±3σ -31.34%28.52% 100.00%99.73%