KMX Deep Analytical Report

CarMax, Inc. | Category: Equity Mid Cap | Last Updated: 2026-02-22 | Data Range: 1997-02-01 → 2026-02-01 (349 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% 3.03% 2.69% 3.53% 3.81% 3.87% 42.83 46.23 41.23 48.03
Weekly 7.01% 7.61% 6.85% 8.35% 8.40% 8.51% 40.92 48.40 37.62 52.64
Monthly 14.40% 19.15% 13.70% 17.95% 17.48% 17.73% 37.36 53.00 31.37 63.13
Quarterly 24.70% 35.67% 24.20% 30.95% 30.28% 30.70% 32.87 60.24 24.29 81.54
Annual 60.56% 61.40% 24.29 81.54 13.25 149.41
Option Time Horizon 23.29% 23.62% 35.25 56.17 27.93 70.91
Calculation Notes: Computed at 2026-02-22T14:21 UTC  |  Reference Contract: Call option expiring 2026-04-17 (54 days)  |  Spot Price (S): $44.50  |  Strike (K): $45.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $4.0000 (Bid $3.9000 / Ask $4.1000)  |  Risk-Free Rate (r): 3.72% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 0.00%  |  Binomial IV (Annual): 60.56% (CRR binomial tree, American, n=20 steps)  |  BS IV: 60.38% (European Black-Scholes)  |  Yahoo IV (Annual): 61.40% → 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 17.28 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -9.27%420.57%0.57%
-9.27% to -6.93%731.00%1.57%
-6.93% to -4.60%1822.49%4.07%
-4.60% to -2.27%78610.76%14.82%
-2.27% to 0.07%275937.76%52.59%
0.07% to 2.40%244933.52%86.11%
2.40% to 4.73%6649.09%95.20%
4.73% to 7.07%1932.64%97.84%
7.07% to 9.40%771.05%98.89%
Greater than 9.40%811.11%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -3.04%3.18% 81.25%68.27%
±2σ -6.16%6.29% 95.28%95.45%
±3σ -9.27%9.40% 98.32%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 45.13 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -5.39%00.00%0.00%
-5.39% to -3.12%00.00%0.00%
-3.12% to -0.85%00.00%0.00%
-0.85% to 1.42%7139.76%9.76%
1.42% to 3.69%411956.37%66.13%
3.69% to 5.96%146019.98%86.11%
5.96% to 8.23%5377.35%93.46%
8.23% to 10.50%2503.42%96.88%
10.50% to 12.77%991.35%98.23%
Greater than 12.77%1291.77%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 0.66%6.72% 89.38%68.27%
±2σ -2.36%9.75% 96.15%95.45%
±3σ -5.39%12.77% 98.23%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 14.19 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -8.01%600.82%0.82%
-8.01% to -5.99%710.97%1.79%
-5.99% to -3.98%2253.08%4.87%
-3.98% to -1.96%74510.20%15.07%
-1.96% to 0.05%269836.92%51.99%
0.05% to 2.07%238032.57%84.56%
2.07% to 4.08%74210.15%94.72%
4.08% to 6.09%2513.44%98.15%
6.09% to 8.11%751.03%99.18%
Greater than 8.11%600.82%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.63%2.74% 79.70%68.27%
±2σ -5.32%5.42% 94.92%95.45%
±3σ -8.01%8.11% 98.36%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 8.91 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -20.70%80.53%0.53%
-20.70% to -15.44%161.06%1.58%
-15.44% to -10.18%563.70%5.28%
-10.18% to -4.92%16711.02%16.30%
-4.92% to 0.33%53935.58%51.88%
0.33% to 5.59%50133.07%84.95%
5.59% to 10.85%1389.11%94.06%
10.85% to 16.11%573.76%97.82%
16.11% to 21.37%181.19%99.01%
Greater than 21.37%150.99%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -6.68%7.34% 77.56%68.27%
±2σ -13.69%14.36% 94.39%95.45%
±3σ -20.70%21.37% 98.48%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 14.35 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -13.09%00.00%0.00%
-13.09% to -7.38%00.00%0.00%
-7.38% to -1.67%00.00%0.00%
-1.67% to 4.04%20913.79%13.79%
4.04% to 9.75%78851.98%65.77%
9.75% to 15.46%28618.87%84.63%
15.46% to 21.16%1338.77%93.40%
21.16% to 26.87%493.23%96.64%
26.87% to 32.58%221.45%98.09%
Greater than 32.58%291.91%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.13%17.36% 88.19%68.27%
±2σ -5.48%24.97% 95.84%95.45%
±3σ -13.09%32.58% 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 4.90 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -20.38%70.46%0.46%
-20.38% to -15.24%150.99%1.45%
-15.24% to -10.10%563.69%5.15%
-10.10% to -4.96%16711.02%16.16%
-4.96% to 0.18%56337.14%53.30%
0.18% to 5.32%47631.40%84.70%
5.32% to 10.46%1439.43%94.13%
10.46% to 15.59%493.23%97.36%
15.59% to 20.73%231.52%98.88%
Greater than 20.73%171.12%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -6.68%7.03% 77.97%68.27%
±2σ -13.53%13.88% 94.53%95.45%
±3σ -20.38%20.73% 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 1.49. Further, an Excess Kurtosis of 8.24 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -41.84%00.00%0.00%
-41.84% to -31.03%30.86%0.86%
-31.03% to -20.23%123.45%4.31%
-20.23% to -9.43%4813.79%18.10%
-9.43% to 1.38%12134.77%52.87%
1.38% to 12.18%11533.05%85.92%
12.18% to 22.98%308.62%94.54%
22.98% to 33.79%102.87%97.41%
33.79% to 44.59%41.15%98.56%
Greater than 44.59%51.44%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.03%15.78% 77.30%68.27%
±2σ -27.43%30.19% 95.40%95.45%
±3σ -41.84%44.59% 98.56%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 17.86 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -33.83%00.00%0.00%
-33.83% to -19.47%00.00%0.00%
-19.47% to -5.11%00.00%0.00%
-5.11% to 9.25%339.46%9.46%
9.25% to 23.61%20157.59%67.05%
23.61% to 37.97%6919.77%86.82%
37.97% to 52.33%298.31%95.13%
52.33% to 66.69%51.43%96.56%
66.69% to 81.05%41.15%97.71%
Greater than 81.05%82.29%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 4.46%42.75% 89.97%68.27%
±2σ -14.69%61.90% 96.28%95.45%
±3σ -33.83%81.05% 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 2.32 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -40.45%10.29%0.29%
-40.45% to -30.18%51.43%1.72%
-30.18% to -19.91%102.87%4.58%
-19.91% to -9.64%4713.47%18.05%
-9.64% to 0.64%12435.53%53.58%
0.64% to 10.91%9928.37%81.95%
10.91% to 21.18%4412.61%94.56%
21.18% to 31.45%72.01%96.56%
31.45% to 41.73%92.58%99.14%
Greater than 41.73%30.86%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.06%14.33% 75.07%68.27%
±2σ -26.76%28.03% 93.98%95.45%
±3σ -40.45%41.73% 98.85%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 -69.79%00.00%0.00%
-69.79% to -51.27%00.00%0.00%
-51.27% to -32.74%54.31%4.31%
-32.74% to -14.22%1714.66%18.97%
-14.22% to 4.30%3832.76%51.72%
4.30% to 22.82%3631.03%82.76%
22.82% to 41.35%1311.21%93.97%
41.35% to 59.87%32.59%96.55%
59.87% 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 -20.39%29.00% 70.69%68.27%
±2σ -45.09%53.70% 94.83%95.45%
±3σ -69.79%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 2.13. 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 -60.14%00.00%0.00%
-60.14% to -33.39%00.00%0.00%
-33.39% to -6.64%00.00%0.00%
-6.64% to 20.11%108.55%8.55%
20.11% to 46.85%7261.54%70.09%
46.85% to 73.60%1613.68%83.76%
73.60% to 100.35%75.98%89.74%
100.35% to 127.10%54.27%94.02%
127.10% to 153.85%54.27%98.29%
Greater than 153.85%21.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 11.19%82.52% 86.32%68.27%
±2σ -24.48%118.19% 93.16%95.45%
±3σ -60.14%153.85% 98.29%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.85. Further, an Excess Kurtosis of 1.19 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -70.96%00.00%0.00%
-70.96% to -52.81%10.85%0.85%
-52.81% to -34.66%54.27%5.13%
-34.66% to -16.51%1815.38%20.51%
-16.51% to 1.64%4135.04%55.56%
1.64% to 19.79%3126.50%82.05%
19.79% to 37.94%1210.26%92.31%
37.94% to 56.09%54.27%96.58%
56.09% to 74.24%21.71%98.29%
Greater than 74.24%21.71%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -22.56%25.84% 71.79%68.27%
±2σ -46.76%50.04% 94.87%95.45%
±3σ -70.96%74.24% 98.29%99.73%