^GSPC Deep Analytical Report

S&P 500 | Category: Equity Index | Last Updated: 2026-02-22 | Data Range: 1962-01-01 → 2026-02-01 (770 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% 4.54% 4.38% 6.84%
Quarterly 6.87% 7.63% 6.88% 12.02%
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 19.56 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%1.81%
-2.30% to -1.52%5383.34%5.15%
-1.52% to -0.74%171610.66%15.80%
-0.74% to 0.03%537433.37%49.18%
0.03% to 0.81%566235.16%84.34%
0.81% to 1.59%178611.09%95.43%
1.59% to 2.37%4873.02%98.45%
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% 78.85%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 53.30 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%340821.16%21.16%
0.74% to 1.40%577835.88%57.04%
1.40% to 2.06%450827.99%85.03%
2.06% to 2.73%14899.25%94.28%
2.73% to 3.39%5193.22%97.50%
3.39% to 4.05%2071.29%98.79%
Greater than 4.05%1951.21%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.52%2.29% 80.54%68.27%
±2σ -0.36%3.17% 96.75%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%4843.01%4.51%
-1.50% to -0.76%182511.33%15.84%
-0.76% to -0.02%577135.84%51.68%
-0.02% to 0.72%520132.30%83.97%
0.72% to 1.46%171610.66%94.63%
1.46% to 2.19%5703.54%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%1.71%
-5.18% to -3.40%1394.16%5.86%
-3.40% to -1.62%40612.14%18.01%
-1.62% to 0.17%99629.79%47.80%
0.17% to 1.95%118335.39%83.19%
1.95% to 3.73%41312.35%95.54%
3.73% to 5.52%952.84%98.38%
5.52% 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% 77.65%68.27%
±2σ -4.59%4.92% 95.15%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 38.12 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%49414.77%14.77%
1.68% to 3.31%161348.24%63.01%
3.31% to 4.93%75422.55%85.56%
4.93% to 6.56%2918.70%94.26%
6.56% to 8.18%1013.02%97.28%
8.18% to 9.81%401.20%98.47%
Greater than 9.81%511.53%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 1.14%5.47% 86.51%68.27%
±2σ -1.03%7.64% 96.62%95.45%
±3σ -3.19%9.81% 98.47%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 22.19 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.32%140.42%0.42%
-7.32% to -5.51%250.75%1.17%
-5.51% to -3.71%922.75%3.92%
-3.71% to -1.90%42512.71%16.63%
-1.90% to -0.10%126137.71%54.34%
-0.10% to 1.71%95128.44%82.78%
1.71% to 3.52%38211.42%94.20%
3.52% to 5.32%1303.89%98.09%
5.32% to 7.13%411.23%99.31%
Greater than 7.13%230.69%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.50%2.31% 78.32%68.27%
±2σ -4.91%4.72% 95.39%95.45%
±3σ -7.32%7.13% 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 1.62 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -12.20%40.52%0.52%
-12.20% to -8.97%131.69%2.21%
-8.97% to -5.75%415.33%7.54%
-5.75% to -2.53%8410.92%18.47%
-2.53% to 0.69%21327.70%46.16%
0.69% to 3.92%25733.42%79.58%
3.92% to 7.14%11615.08%94.67%
7.14% to 10.36%303.90%98.57%
10.36% to 13.59%101.30%99.87%
Greater than 13.59%10.13%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.60%4.99% 73.34%68.27%
±2σ -7.90%9.29% 94.15%95.45%
±3σ -12.20%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 3.65. Further, an Excess Kurtosis of 23.32 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.45%00.00%0.00%
-6.45% to -3.05%00.00%0.00%
-3.05% to 0.36%00.00%0.00%
0.36% to 3.76%10814.03%14.03%
3.76% to 7.16%38750.26%64.29%
7.16% to 10.56%17222.34%86.62%
10.56% to 13.97%536.88%93.51%
13.97% to 17.37%273.51%97.01%
17.37% to 20.77%131.69%98.70%
Greater than 20.77%101.30%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.62%11.70% 88.44%68.27%
±2σ -1.91%16.24% 95.97%95.45%
±3σ -6.45%20.77% 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 3.33 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.61%20.26%0.26%
-13.61% to -10.32%30.39%0.65%
-10.32% to -7.04%253.25%3.90%
-7.04% to -3.76%12616.36%20.26%
-3.76% to -0.48%27335.45%55.71%
-0.48% to 2.81%20426.49%82.21%
2.81% to 6.09%7910.26%92.47%
6.09% to 9.37%374.81%97.27%
9.37% to 12.65%151.95%99.22%
Greater than 12.65%60.78%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.85%3.90% 75.06%68.27%
±2σ -9.23%8.28% 94.29%95.45%
±3σ -13.61%12.65% 98.96%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.31. Further, an Excess Kurtosis of 1.01 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -18.57%20.78%0.78%
-18.57% to -13.41%31.17%1.95%
-13.41% to -8.26%124.67%6.61%
-8.26% to -3.11%3212.45%19.07%
-3.11% to 2.04%7729.96%49.03%
2.04% to 7.20%8031.13%80.16%
7.20% to 12.35%3513.62%93.77%
12.35% to 17.50%145.45%99.22%
17.50% to 22.66%10.39%99.61%
Greater than 22.66%10.39%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.83%8.91% 71.98%68.27%
±2σ -11.70%15.79% 95.33%95.45%
±3σ -18.56%22.66% 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 2.89. Further, an Excess Kurtosis of 11.90 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -10.07%00.00%0.00%
-10.07% to -4.34%00.00%0.00%
-4.34% to 1.38%00.00%0.00%
1.38% to 7.11%4417.05%17.05%
7.11% to 12.83%12046.51%63.57%
12.83% to 18.56%6224.03%87.60%
18.56% to 24.28%186.98%94.57%
24.28% to 30.00%51.94%96.51%
30.00% to 35.73%20.78%97.29%
Greater than 35.73%72.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 5.20%20.46% 87.98%68.27%
±2σ -2.44%28.10% 96.12%95.45%
±3σ -10.07%35.73% 97.29%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.95. Further, an Excess Kurtosis of 2.56 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -22.16%00.00%0.00%
-22.16% to -16.99%10.39%0.39%
-16.99% to -11.83%72.71%3.10%
-11.83% to -6.67%4316.67%19.77%
-6.67% to -1.50%9235.66%55.43%
-1.50% to 3.66%7027.13%82.56%
3.66% to 8.82%2710.47%93.02%
8.82% to 13.98%114.26%97.29%
13.98% to 19.15%51.94%99.22%
Greater than 19.15%20.78%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.39%5.38% 72.87%68.27%
±2σ -15.27%12.26% 95.74%95.45%
±3σ -22.16%19.15% 99.22%99.73%