^GSPC Deep Analytical Report

S&P 500 | Category: Equity Index | Last Updated: 2026-03-24 | Data Range: 1962-01-01 → 2026-03-01 (771 months)
Quick Overview
Timeframe C-C DoR σ
(Historical)
H-L DoR σ
(Historical)
O-C DoR σ
(Historical)
5Y ATRP
(Avg)
Daily 1.04% 0.88% 0.98% 1.30%
Weekly 2.38% 2.17% 2.41% 3.16%
Monthly 4.30% 4.53% 4.38% 6.83%
Quarterly 6.88% 7.62% 6.89% 12.24%
Annual
Option Time Horizon
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Left Skewed (Negative Asymmetry) with a Skewness factor of -0.57. Further, an Excess Kurtosis of 19.55 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -3.08%1100.68%0.68%
-3.08% to -2.30%1811.12%1.80%
-2.30% to -1.52%5383.34%5.14%
-1.52% to -0.74%172210.68%15.82%
-0.74% to 0.03%538133.37%49.19%
0.03% to 0.81%566635.14%84.33%
0.81% to 1.59%179011.10%95.44%
1.59% to 2.37%4873.02%98.46%
2.37% to 3.15%1380.86%99.31%
Greater than 3.15%1110.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.00%1.07% 78.84%68.27%
±2σ -2.04%2.11% 95.29%95.45%
±3σ -3.08%3.15% 98.63%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 53.33 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -1.24%00.00%0.00%
-1.24% to -0.58%00.00%0.00%
-0.58% to 0.08%00.00%0.00%
0.08% to 0.74%341021.15%21.15%
0.74% to 1.40%579035.91%57.05%
1.40% to 2.06%451427.99%85.05%
2.06% to 2.73%14909.24%94.29%
2.73% to 3.39%5193.22%97.51%
3.39% to 4.05%2071.28%98.79%
Greater than 4.05%1951.21%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.52%2.29% 80.56%68.27%
±2σ -0.36%3.17% 96.76%95.45%
±3σ -1.24%4.05% 98.79%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.44. Further, an Excess Kurtosis of 37.14 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -2.97%1000.62%0.62%
-2.97% to -2.23%1420.88%1.50%
-2.23% to -1.50%4843.00%4.50%
-1.50% to -0.76%182811.34%15.84%
-0.76% to -0.02%577835.83%51.67%
-0.02% to 0.72%520832.30%83.97%
0.72% to 1.46%172010.67%94.64%
1.46% to 2.19%5703.53%98.17%
2.19% to 2.93%1791.11%99.28%
Greater than 2.93%1160.72%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -1.00%0.96% 78.90%68.27%
±2σ -1.99%1.95% 95.42%95.45%
±3σ -2.97%2.93% 98.66%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Left Skewed (Negative Asymmetry) with a Skewness factor of -0.52. Further, an Excess Kurtosis of 9.52 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.97%210.63%0.63%
-6.97% to -5.18%361.08%1.70%
-5.18% to -3.40%1394.15%5.86%
-3.40% to -1.62%40612.13%17.99%
-1.62% to 0.17%99729.79%47.77%
0.17% to 1.95%118635.43%83.21%
1.95% to 3.73%41312.34%95.55%
3.73% to 5.51%952.84%98.39%
5.51% to 7.30%361.08%99.46%
Greater than 7.30%180.54%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.21%2.54% 77.68%68.27%
±2σ -4.59%4.92% 95.16%95.45%
±3σ -6.97%7.30% 98.83%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 38.15 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -3.19%00.00%0.00%
-3.19% to -1.57%00.00%0.00%
-1.57% to 0.06%00.00%0.00%
0.06% to 1.68%49514.78%14.78%
1.68% to 3.31%161348.18%62.96%
3.31% to 4.93%75722.61%85.57%
4.93% to 6.56%2918.69%94.27%
6.56% to 8.18%1013.02%97.28%
8.18% to 9.80%401.19%98.48%
Greater than 9.80%511.52%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 1.14%5.47% 86.53%68.27%
±2σ -1.02%7.64% 96.62%95.45%
±3σ -3.19%9.80% 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 1.73. Further, an Excess Kurtosis of 22.20 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.31%140.42%0.42%
-7.31% to -5.51%250.75%1.16%
-5.51% to -3.70%922.75%3.91%
-3.70% to -1.90%42612.72%16.64%
-1.90% to -0.09%126137.66%54.30%
-0.09% to 1.71%95328.46%82.77%
1.71% to 3.52%38311.44%94.21%
3.52% to 5.32%1303.88%98.09%
5.32% to 7.12%411.22%99.31%
Greater than 7.12%230.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.50%2.31% 78.35%68.27%
±2σ -4.91%4.72% 95.40%95.45%
±3σ -7.31%7.12% 98.89%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.43. Further, an Excess Kurtosis of 1.61 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -12.21%40.52%0.52%
-12.21% to -8.98%131.69%2.21%
-8.98% to -5.76%405.19%7.40%
-5.76% to -2.54%8611.17%18.57%
-2.54% to 0.69%21127.40%45.97%
0.69% to 3.91%25933.64%79.61%
3.91% to 7.13%11615.06%94.68%
7.13% to 10.36%303.90%98.57%
10.36% to 13.58%101.30%99.87%
Greater than 13.58%10.13%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.61%4.99% 73.25%68.27%
±2σ -7.91%9.28% 94.29%95.45%
±3σ -12.21%13.58% 99.35%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 3.66. Further, an Excess Kurtosis of 23.36 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.44%00.00%0.00%
-6.44% to -3.04%00.00%0.00%
-3.04% to 0.36%00.00%0.00%
0.36% to 3.76%10814.01%14.01%
3.76% to 7.16%38850.32%64.33%
7.16% to 10.56%17222.31%86.64%
10.56% to 13.96%536.87%93.51%
13.96% to 17.36%273.50%97.02%
17.36% to 20.76%131.69%98.70%
Greater than 20.76%101.30%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.63%11.70% 88.46%68.27%
±2σ -1.91%16.23% 95.98%95.45%
±3σ -6.44%20.76% 98.70%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.91. Further, an Excess Kurtosis of 3.32 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.60%20.26%0.26%
-13.60% to -10.32%30.39%0.65%
-10.32% to -7.04%253.24%3.89%
-7.04% to -3.75%12716.47%20.36%
-3.75% to -0.47%27235.28%55.64%
-0.47% to 2.81%20426.46%82.10%
2.81% to 6.09%8010.38%92.48%
6.09% to 9.38%374.80%97.28%
9.38% to 12.66%151.95%99.22%
Greater than 12.66%60.78%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.85%3.91% 75.10%68.27%
±2σ -9.22%8.28% 94.42%95.45%
±3σ -13.60%12.66% 98.96%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.30. Further, an Excess Kurtosis of 0.98 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -18.62%20.78%0.78%
-18.62% to -13.46%31.17%1.95%
-13.46% to -8.30%124.67%6.61%
-8.30% to -3.13%3312.84%19.46%
-3.13% to 2.03%7629.57%49.03%
2.03% to 7.19%8031.13%80.16%
7.19% to 12.35%3513.62%93.77%
12.35% to 17.51%145.45%99.22%
17.51% to 22.67%10.39%99.61%
Greater than 22.67%10.39%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.85%8.91% 71.60%68.27%
±2σ -11.74%15.79% 95.33%95.45%
±3σ -18.62%22.67% 98.83%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.91. Further, an Excess Kurtosis of 12.00 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -9.99%00.00%0.00%
-9.99% to -4.28%00.00%0.00%
-4.28% to 1.43%00.00%0.00%
1.43% to 7.14%4316.67%16.67%
7.14% to 12.85%12247.29%63.95%
12.85% to 18.56%6123.64%87.60%
18.56% to 24.27%186.98%94.57%
24.27% to 29.98%51.94%96.51%
29.98% to 35.70%20.78%97.29%
Greater than 35.70%72.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 5.23%20.46% 88.37%68.27%
±2σ -2.38%28.08% 96.12%95.45%
±3σ -9.99%35.70% 97.29%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.94. Further, an Excess Kurtosis of 2.51 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -22.17%00.00%0.00%
-22.17% to -17.00%10.39%0.39%
-17.00% to -11.83%72.71%3.10%
-11.83% to -6.66%4316.67%19.77%
-6.66% to -1.49%9235.66%55.43%
-1.49% to 3.68%6926.74%82.17%
3.68% to 8.85%2810.85%93.02%
8.85% to 14.02%114.26%97.29%
14.02% to 19.20%51.94%99.22%
Greater than 19.20%20.78%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.38%5.41% 72.87%68.27%
±2σ -15.28%12.30% 95.74%95.45%
±3σ -22.17%19.20% 99.22%99.73%