AON Deep Analytical Report

Aon plc | Category: Equity Mega Cap | Ann. Div Yield: 0.89% ($2.91) | Last Updated: 2026-03-24 | Data Range: 1980-06-01 → 2026-03-01 (550 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 1.73% 1.49% 1.51% 1.97% 1.95% 2.06% 319.64 332.33 313.48 338.86
Weekly 3.87% 4.01% 3.91% 4.60% 4.28% 4.54% 312.26 340.19 299.16 355.08
Monthly 7.38% 8.63% 7.51% 10.25% 8.92% 9.45% 298.12 356.33 272.68 389.57
Quarterly 11.57% 12.96% 11.55% 17.33% 15.45% 16.36% 279.27 380.37 239.30 443.91
Annual 30.90% 32.72% 239.30 443.91 175.70 604.60
Option Time Horizon 11.66% 12.35% 290.05 366.24 258.12 411.53
Calculation Notes: Computed at 2026-03-23T16:34 UTC  |  Reference Contract: Call option expiring 2026-05-15 (52 days)  |  Spot Price (S): $325.92  |  Strike (K): $330.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $13.9500 (Bid $13.4000 / Ask $14.5000)  |  Risk-Free Rate (r): 3.73% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 0.89%  |  Binomial IV (Annual): 30.90% (CRR binomial tree, American, n=20 steps)  |  BS IV: 31.06% (European Black-Scholes)  |  Yahoo IV (Annual): 32.72% → 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
2025-08-01 $0.7450
2025-05-01 $0.7450
2025-02-03 $0.6750
2024-11-01 $0.6750
2024-08-01 $0.6750
2024-04-30 $0.6750
2024-01-31 $0.6150
2023-10-31 $0.6150
2023-07-31 $0.6150
2023-04-28 $0.6150
2023-01-31 $0.5600
2022-10-31 $0.5600
2022-07-29 $0.5600
2022-04-29 $0.5600
2022-01-31 $0.5100
2021-10-29 $0.5100
2021-07-30 $0.5100
2021-04-30 $0.5100
2021-01-29 $0.4600
2020-10-30 $0.4600
2020-07-31 $0.4400
2020-04-30 $0.4400
2020-01-31 $0.4400
2019-10-31 $0.4400
2019-07-31 $0.4400
2019-04-30 $0.4400
2019-01-31 $0.4000
2018-10-31 $0.4000
2018-08-09 $0.4000
2018-07-31 $0.4000
2018-04-30 $0.4000
2018-01-31 $0.3600
2017-10-31 $0.3600
2017-07-28 $0.3600
2017-04-27 $0.3600
2017-01-30 $0.3300
2016-10-28 $0.3300
2016-07-28 $0.3300
2016-04-28 $0.3300
2016-01-28 $0.3000
2015-10-29 $0.3000
2015-07-30 $0.3000
2015-04-29 $0.3000
2015-01-29 $0.2500
2014-10-30 $0.2500
2014-07-30 $0.2500
2014-04-29 $0.2500
2014-01-30 $0.1750
2013-10-30 $0.1750
2013-07-30 $0.1750
2013-04-29 $0.1750
2013-01-30 $0.1580
2012-10-31 $0.1580
2012-07-30 $0.1580
2012-04-27 $0.1580
2012-01-30 $0.1500
2011-10-28 $0.1500
2011-07-28 $0.1500
2011-04-28 $0.1500
2011-01-28 $0.1500
2010-10-28 $0.1500
2010-07-29 $0.1500
2010-04-29 $0.1500
2010-01-28 $0.1500
2009-10-29 $0.1500
2009-07-30 $0.1500
2009-04-29 $0.1500
2009-01-29 $0.1500
2008-10-30 $0.1500
2008-07-30 $0.1500
2008-04-29 $0.1500
2008-01-30 $0.1500
2007-10-30 $0.1500
2007-07-30 $0.1500
2007-04-27 $0.1500
2007-01-30 $0.1500
2006-10-30 $0.1500
2006-07-28 $0.1500
2006-04-28 $0.1500
2006-01-30 $0.1500
2005-10-28 $0.1500
2005-07-29 $0.1500
2005-04-29 $0.1500
2005-02-01 $0.1500
2004-10-29 $0.1500
2004-07-30 $0.1500
2004-04-30 $0.1500
2004-02-06 $0.1500
2003-10-31 $0.1500
2003-08-01 $0.1500
2003-04-29 $0.1500
2003-02-10 $0.1500
2002-11-06 $0.1500
2002-07-30 $0.2250
2002-04-30 $0.2250
2002-02-08 $0.2250
2001-10-30 $0.2250
2001-07-31 $0.2250
2001-05-01 $0.2250
2001-02-06 $0.2200
2000-10-31 $0.2200
2000-07-28 $0.2200
2000-04-28 $0.2200
2000-02-04 $0.2100
1999-10-29 $0.2100
1999-07-30 $0.2100
1999-04-30 $0.2067
1999-02-05 $0.1867
1998-10-30 $0.1867
1998-08-03 $0.1867
1998-05-01 $0.1867
1998-02-06 $0.1733
1997-10-31 $0.1733
1997-08-01 $0.1733
1997-04-29 $0.1733
1997-02-07 $0.1600
1996-10-15 $0.1600
1996-07-30 $0.1600
1996-04-30 $0.1600
1996-02-06 $0.1511
1995-10-31 $0.1511
1995-07-28 $0.1511
1995-04-26 $0.1511
1995-02-03 $0.1422
1994-10-26 $0.1422
1994-07-27 $0.1422
1994-04-28 $0.1422
1994-02-02 $0.1333
1993-10-27 $0.1333
1993-07-28 $0.1333
1993-04-28 $0.1333
1993-01-28 $0.1244
1992-10-28 $0.1244
1992-07-29 $0.1244
1992-04-29 $0.1244
1992-01-30 $0.1185
1991-10-30 $0.1185
1991-07-31 $0.1185
1991-05-01 $0.1185
1991-01-31 $0.1126
1990-10-31 $0.1126
1990-08-01 $0.1126
1990-05-02 $0.1126
1990-02-01 $0.1037
1989-11-01 $0.1037
1989-08-02 $0.1037
1989-05-03 $0.1037
1989-02-02 $0.0948
1988-11-02 $0.0948
1988-08-03 $0.0948
1988-04-27 $0.0948
1988-01-27 $0.0889
1984-07-26 $0.0770
1984-04-26 $0.0770
1984-02-03 $0.0741
1983-10-27 $0.0741
1983-07-28 $0.0741
1983-05-03 $0.0741
1983-01-28 $0.0741
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 26.79 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -5.12%820.71%0.71%
-5.12% to -3.83%950.82%1.53%
-3.83% to -2.53%3202.77%4.31%
-2.53% to -1.23%126910.99%15.30%
-1.23% to 0.07%421036.47%51.77%
0.07% to 1.36%381333.03%84.80%
1.36% to 2.66%121210.50%95.30%
2.66% to 3.96%3563.08%98.39%
3.96% to 5.25%1151.00%99.38%
Greater than 5.25%710.62%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.67%1.79% 79.89%68.27%
±2σ -3.40%3.52% 95.82%95.45%
±3σ -5.12%5.25% 98.67%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.32. Further, an Excess Kurtosis of 40.04 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -2.45%00.00%0.00%
-2.45% to -1.33%00.00%0.00%
-1.33% to -0.21%00.00%0.00%
-0.21% to 0.91%136911.86%11.86%
0.91% to 2.03%604452.36%64.22%
2.03% to 3.15%258422.38%86.60%
3.15% to 4.27%8657.49%94.09%
4.27% to 5.39%3503.03%97.12%
5.39% to 6.51%1361.18%98.30%
Greater than 6.51%1961.70%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.53%3.52% 88.23%68.27%
±2σ -0.96%5.01% 96.41%95.45%
±3σ -2.45%6.51% 98.30%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.42. Further, an Excess Kurtosis of 10.92 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -4.59%720.62%0.62%
-4.59% to -3.45%1211.05%1.67%
-3.45% to -2.32%3763.26%4.93%
-2.32% to -1.19%133611.57%16.50%
-1.19% to -0.05%361231.29%47.79%
-0.05% to 1.08%415435.98%83.78%
1.08% to 2.21%132211.45%95.23%
2.21% to 3.35%3513.04%98.27%
3.35% to 4.48%1070.93%99.19%
Greater than 4.48%930.81%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.56%1.46% 78.27%68.27%
±2σ -3.08%2.97% 95.29%95.45%
±3σ -4.59%4.48% 98.57%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.12. Further, an Excess Kurtosis of 6.85 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -11.28%170.71%0.71%
-11.28% to -8.38%251.05%1.76%
-8.38% to -5.49%763.18%4.94%
-5.49% to -2.59%27711.59%16.53%
-2.59% to 0.31%79333.18%49.71%
0.31% to 3.21%81934.27%83.97%
3.21% to 6.11%25510.67%94.64%
6.11% to 9.01%843.51%98.16%
9.01% to 11.91%251.05%99.21%
Greater than 11.91%190.79%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.55%4.18% 79.00%68.27%
±2σ -7.42%8.05% 95.19%95.45%
±3σ -11.28%11.91% 98.49%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.92. Further, an Excess Kurtosis of 44.63 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.83%00.00%0.00%
-6.83% to -3.82%00.00%0.00%
-3.82% to -0.81%00.00%0.00%
-0.81% to 2.19%2098.74%8.74%
2.19% to 5.20%134956.42%65.16%
5.20% to 8.21%53822.50%87.66%
8.21% to 11.22%1727.19%94.86%
11.22% to 14.22%612.55%97.41%
14.22% to 17.23%220.92%98.33%
Greater than 17.23%401.67%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 1.19%9.21% 90.84%68.27%
±2σ -2.82%13.22% 96.82%95.45%
±3σ -6.83%17.23% 98.33%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.35. Further, an Excess Kurtosis of 12.78 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -11.87%140.59%0.59%
-11.87% to -8.94%140.59%1.17%
-8.94% to -6.00%793.30%4.48%
-6.00% to -3.07%28611.96%16.44%
-3.07% to -0.14%84535.34%51.78%
-0.14% to 2.79%79833.38%85.15%
2.79% to 5.73%2339.74%94.90%
5.73% to 8.66%773.22%98.12%
8.66% to 11.60%210.88%99.00%
Greater than 11.60%241.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.05%3.77% 80.01%68.27%
±2σ -7.96%7.68% 95.36%95.45%
±3σ -11.87%11.60% 98.41%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.23. Further, an Excess Kurtosis of 6.09 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -20.83%30.55%0.55%
-20.83% to -15.30%71.28%1.82%
-15.30% to -9.76%213.83%5.65%
-9.76% to -4.23%7213.11%18.76%
-4.23% to 1.31%16530.05%48.82%
1.31% to 6.84%18433.52%82.33%
6.84% to 12.38%7213.11%95.45%
12.38% to 17.91%183.28%98.72%
17.91% to 23.45%50.91%99.64%
Greater than 23.45%20.36%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -6.07%8.69% 77.23%68.27%
±2σ -13.45%16.07% 95.45%95.45%
±3σ -20.83%23.45% 99.09%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.07. Further, an Excess Kurtosis of 25.27 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.94%00.00%0.00%
-13.94% to -7.46%00.00%0.00%
-7.46% to -0.98%00.00%0.00%
-0.98% to 5.49%549.82%9.82%
5.49% to 11.97%30956.18%66.00%
11.97% to 18.45%12122.00%88.00%
18.45% to 24.92%376.73%94.73%
24.92% to 31.40%152.73%97.45%
31.40% to 37.88%50.91%98.36%
Greater than 37.88%91.64%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 3.34%20.61% 91.09%68.27%
±2σ -5.30%29.24% 96.55%95.45%
±3σ -13.94%37.88% 98.36%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.31. Further, an Excess Kurtosis of 7.55 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -23.11%10.18%0.18%
-23.11% to -17.47%20.36%0.55%
-17.47% to -11.84%162.91%3.45%
-11.84% to -6.21%8114.73%18.18%
-6.21% to -0.57%20236.73%54.91%
-0.57% to 5.06%15728.55%83.45%
5.06% to 10.70%5910.73%94.18%
10.70% to 16.33%203.64%97.82%
16.33% to 21.96%40.73%98.55%
Greater than 21.96%81.45%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.08%6.94% 78.91%68.27%
±2σ -15.60%14.45% 96.00%95.45%
±3σ -23.11%21.96% 98.36%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.04. Further, an Excess Kurtosis of 0.83 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -30.94%10.55%0.55%
-30.94% to -22.26%31.64%2.19%
-22.26% to -13.58%84.37%6.56%
-13.58% to -4.90%2513.66%20.22%
-4.90% to 3.78%5228.42%48.63%
3.78% to 12.46%5831.69%80.33%
12.46% to 21.14%2513.66%93.99%
21.14% to 29.82%63.28%97.27%
29.82% to 38.50%52.73%100.00%
Greater than 38.50%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -7.80%15.35% 73.22%68.27%
±2σ -19.37%26.92% 94.54%95.45%
±3σ -30.94%38.50% 99.45%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.58. Further, an Excess Kurtosis of 8.41 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -17.04%00.00%0.00%
-17.04% to -7.31%00.00%0.00%
-7.31% to 2.41%00.00%0.00%
2.41% to 12.13%2413.04%13.04%
12.13% to 21.86%9451.09%64.13%
21.86% to 31.58%4222.83%86.96%
31.58% to 41.30%105.43%92.39%
41.30% to 51.02%63.26%95.65%
51.02% to 60.75%31.63%97.28%
Greater than 60.75%52.72%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 8.89%34.82% 85.87%68.27%
±2σ -4.07%47.78% 95.11%95.45%
±3σ -17.04%60.75% 97.28%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.03. Further, an Excess Kurtosis of 2.70 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -36.59%00.00%0.00%
-36.59% to -27.93%00.00%0.00%
-27.93% to -19.27%73.80%3.80%
-19.27% to -10.61%3116.85%20.65%
-10.61% to -1.95%6535.33%55.98%
-1.95% to 6.72%5027.17%83.15%
6.72% to 15.38%1910.33%93.48%
15.38% to 24.04%73.80%97.28%
24.04% to 32.70%31.63%98.91%
Greater than 32.70%21.09%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.49%9.60% 76.63%68.27%
±2σ -25.04%21.15% 94.57%95.45%
±3σ -36.59%32.70% 98.91%99.73%