KMX Deep Analytical Report

CarMax, Inc. | Category: Equity Mid Cap | Last Updated: 2026-03-24 | Data Range: 1997-02-01 → 2026-03-01 (350 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 3.11% 3.02% 2.69% 3.55% 3.71% 3.77% 41.62 44.82 40.10 46.52
Weekly 7.00% 7.60% 6.84% 8.36% 8.17% 8.30% 39.80 46.87 36.68 50.85
Monthly 14.39% 19.12% 13.68% 17.92% 17.00% 17.28% 36.44 51.19 30.74 60.68
Quarterly 24.70% 35.66% 24.20% 31.00% 29.45% 29.93% 32.17 57.98 23.97 77.83
Annual 58.89% 59.86% 23.97 77.83 13.30 140.26
Option Time Horizon 22.23% 22.60% 34.58 53.94 27.69 67.37
Calculation Notes: Computed at 2026-03-23T16:37 UTC  |  Reference Contract: Call option expiring 2026-05-15 (52 days)  |  Spot Price (S): $43.19  |  Strike (K): $45.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $3.2000 (Bid $3.1000 / Ask $3.3000)  |  Risk-Free Rate (r): 3.73% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 0.00%  |  Binomial IV (Annual): 58.89% (CRR binomial tree, American, n=20 steps)  |  BS IV: 59.57% (European Black-Scholes)  |  Yahoo IV (Annual): 59.86% → period-scaled as σperiod = σannual·√h  |  Price bands: Upper = S·e+σ√h, Lower = S·e−σ√h
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.94. Further, an Excess Kurtosis of 17.29 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -9.26%430.59%0.59%
-9.26% to -6.93%731.00%1.58%
-6.93% to -4.59%1822.48%4.07%
-4.59% to -2.26%78910.77%14.84%
-2.26% to 0.07%276437.72%52.56%
0.07% to 2.40%245833.55%86.11%
2.40% to 4.73%6679.10%95.21%
4.73% to 7.06%1932.63%97.84%
7.06% to 9.39%771.05%98.89%
Greater than 9.39%811.11%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.04%3.18% 81.23%68.27%
±2σ -6.15%6.28% 95.26%95.45%
±3σ -9.26%9.39% 98.31%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.49. Further, an Excess Kurtosis of 45.17 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -5.38%00.00%0.00%
-5.38% to -3.11%00.00%0.00%
-3.11% to -0.84%00.00%0.00%
-0.84% to 1.42%7139.73%9.73%
1.42% to 3.69%413156.37%66.10%
3.69% to 5.96%146720.02%86.12%
5.96% to 8.23%5387.34%93.46%
8.23% to 10.50%2513.43%96.89%
10.50% to 12.77%991.35%98.24%
Greater than 12.77%1291.76%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.67%6.72% 89.38%68.27%
±2σ -2.36%9.74% 96.17%95.45%
±3σ -5.38%12.77% 98.24%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.58. Further, an Excess Kurtosis of 14.17 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -8.00%600.82%0.82%
-8.00% to -5.99%710.97%1.79%
-5.99% to -3.98%2253.07%4.86%
-3.98% to -1.96%75010.23%15.09%
-1.96% to 0.05%270336.89%51.98%
0.05% to 2.06%238832.59%84.57%
2.06% to 4.08%74310.14%94.71%
4.08% to 6.09%2533.45%98.16%
6.09% to 8.11%741.01%99.17%
Greater than 8.11%610.83%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.63%2.74% 79.67%68.27%
±2σ -5.32%5.42% 94.92%95.45%
±3σ -8.00%8.11% 98.35%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.99. Further, an Excess Kurtosis of 8.95 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -20.67%80.53%0.53%
-20.67% to -15.42%161.05%1.58%
-15.42% to -10.17%563.69%5.27%
-10.17% to -4.92%16811.06%16.33%
-4.92% to 0.33%54035.55%51.88%
0.33% to 5.58%50433.18%85.06%
5.58% to 10.83%1368.95%94.01%
10.83% to 16.08%583.82%97.83%
16.08% to 21.33%181.18%99.01%
Greater than 21.33%150.99%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -6.67%7.33% 77.68%68.27%
±2σ -13.67%14.33% 94.40%95.45%
±3σ -20.67%21.33% 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 2.97. Further, an Excess Kurtosis of 14.39 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.07%00.00%0.00%
-13.07% to -7.37%00.00%0.00%
-7.37% to -1.66%00.00%0.00%
-1.66% to 4.04%20913.75%13.75%
4.04% to 9.74%79152.04%65.79%
9.74% to 15.44%28718.88%84.67%
15.44% to 21.15%1338.75%93.42%
21.15% to 26.85%493.22%96.64%
26.85% to 32.55%221.45%98.09%
Greater than 32.55%291.91%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.14%17.34% 88.22%68.27%
±2σ -5.46%24.95% 95.86%95.45%
±3σ -13.07%32.55% 98.09%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.55. Further, an Excess Kurtosis of 4.92 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -20.35%70.46%0.46%
-20.35% to -15.22%150.99%1.45%
-15.22% to -10.09%563.68%5.13%
-10.09% to -4.95%16610.92%16.05%
-4.95% to 0.18%56637.24%53.29%
0.18% to 5.31%47831.45%84.74%
5.31% to 10.44%1429.34%94.08%
10.44% to 15.57%503.29%97.37%
15.57% to 20.71%231.51%98.88%
Greater than 20.71%171.12%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -6.67%7.02% 77.96%68.27%
±2σ -13.51%13.86% 94.54%95.45%
±3σ -20.35%20.71% 98.42%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.50. Further, an Excess Kurtosis of 8.27 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -41.79%00.00%0.00%
-41.79% to -31.00%30.86%0.86%
-31.00% to -20.21%123.44%4.30%
-20.21% to -9.42%4813.75%18.05%
-9.42% to 1.36%12234.96%53.01%
1.36% to 12.15%11532.95%85.96%
12.15% to 22.94%308.60%94.56%
22.94% to 33.73%102.87%97.42%
33.73% to 44.52%41.15%98.57%
Greater than 44.52%51.43%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.02%15.75% 77.36%68.27%
±2σ -27.41%30.14% 95.42%95.45%
±3σ -41.79%44.52% 98.57%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 3.49. Further, an Excess Kurtosis of 17.92 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -33.79%00.00%0.00%
-33.79% to -19.45%00.00%0.00%
-19.45% to -5.10%00.00%0.00%
-5.10% to 9.24%339.43%9.43%
9.24% to 23.58%20257.71%67.14%
23.58% to 37.93%6919.71%86.86%
37.93% to 52.27%298.29%95.14%
52.27% to 66.61%51.43%96.57%
66.61% to 80.96%41.14%97.71%
Greater than 80.96%82.29%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 4.46%42.71% 90.00%68.27%
±2σ -14.66%61.83% 96.29%95.45%
±3σ -33.79%80.96% 97.71%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.51. Further, an Excess Kurtosis of 2.33 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -40.40%10.29%0.29%
-40.40% to -30.14%51.43%1.71%
-30.14% to -19.88%102.86%4.57%
-19.88% to -9.62%4713.43%18.00%
-9.62% to 0.64%12435.43%53.43%
0.64% to 10.89%9928.29%81.71%
10.89% to 21.15%4512.86%94.57%
21.15% to 31.41%72.00%96.57%
31.41% to 41.67%92.57%99.14%
Greater than 41.67%30.86%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.04%14.31% 75.14%68.27%
±2σ -26.72%27.99% 94.00%95.45%
±3σ -40.40%41.67% 98.86%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.92. Further, an Excess Kurtosis of 2.28 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -69.83%00.00%0.00%
-69.83% to -51.30%00.00%0.00%
-51.30% to -32.78%54.31%4.31%
-32.78% to -14.25%1714.66%18.97%
-14.25% to 4.28%3832.76%51.72%
4.28% to 22.80%3631.03%82.76%
22.80% to 41.33%1311.21%93.97%
41.33% to 59.86%32.59%96.55%
59.86% to 78.39%32.59%99.14%
Greater than 78.39%10.86%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -20.43%28.98% 71.55%68.27%
±2σ -45.13%53.68% 94.83%95.45%
±3σ -69.83%78.39% 99.14%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.14. Further, an Excess Kurtosis of 4.91 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -60.10%00.00%0.00%
-60.10% to -33.36%00.00%0.00%
-33.36% to -6.62%00.00%0.00%
-6.62% to 20.12%108.55%8.55%
20.12% to 46.87%7261.54%70.09%
46.87% to 73.61%1613.68%83.76%
73.61% to 100.35%75.98%89.74%
100.35% to 127.09%54.27%94.02%
127.09% to 153.84%54.27%98.29%
Greater than 153.84%21.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 11.21%82.52% 86.32%68.27%
±2σ -24.45%118.18% 93.16%95.45%
±3σ -60.10%153.84% 98.29%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.84. Further, an Excess Kurtosis of 1.18 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -70.94%00.00%0.00%
-70.94% to -52.79%10.85%0.85%
-52.79% to -34.64%54.27%5.13%
-34.64% to -16.48%1815.38%20.51%
-16.48% to 1.67%4034.19%54.70%
1.67% to 19.82%3227.35%82.05%
19.82% to 37.97%1210.26%92.31%
37.97% to 56.12%54.27%96.58%
56.12% to 74.27%21.71%98.29%
Greater than 74.27%21.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -22.54%25.87% 71.79%68.27%
±2σ -46.74%50.07% 94.87%95.45%
±3σ -70.94%74.27% 98.29%99.73%