DBX Deep Analytical Report

Dropbox, Inc. | Category: Equity Mid Cap | Last Updated: 2026-03-24 | Data Range: 2018-03-01 → 2026-03-01 (97 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 2.42% 1.93% 2.10% 2.68% 2.46% 2.85% 24.04 25.25 23.46 25.88
Weekly 5.39% 4.98% 5.45% 6.19% 5.42% 6.28% 23.34 26.01 22.11 27.46
Monthly 8.64% 8.78% 9.25% 13.00% 11.27% 13.08% 22.01 27.58 19.67 30.87
Quarterly 15.04% 13.46% 14.95% 24.39% 19.53% 22.66% 20.27 29.95 16.67 36.41
Annual 39.06% 45.31% 16.67 36.41 11.28 53.81
Option Time Horizon 14.74% 17.10% 21.26 28.55 18.35 33.09
Calculation Notes: Computed at 2026-03-23T16:35 UTC  |  Reference Contract: Call option expiring 2026-05-15 (52 days)  |  Spot Price (S): $24.64  |  Strike (K): $25.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $1.3500 (Bid $1.1500 / Ask $1.5500)  |  Risk-Free Rate (r): 3.73% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 0.00%  |  Binomial IV (Annual): 39.06% (CRR binomial tree, American, n=20 steps)  |  BS IV: 39.23% (European Black-Scholes)  |  Yahoo IV (Annual): 45.31% → 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 Fairly Symmetrical with a Skewness factor of -0.26. Further, an Excess Kurtosis of 10.95 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.25%160.80%0.80%
-7.25% to -5.43%221.10%1.89%
-5.43% to -3.61%542.69%4.58%
-3.61% to -1.80%23611.75%16.33%
-1.80% to 0.02%64832.25%48.58%
0.02% to 1.84%70334.99%83.57%
1.84% to 3.66%24912.39%95.97%
3.66% to 5.48%502.49%98.46%
5.48% to 7.30%160.80%99.25%
Greater than 7.30%150.75%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.40%2.45% 78.25%68.27%
±2σ -4.83%4.87% 95.62%95.45%
±3σ -7.25%7.30% 98.46%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.66. Further, an Excess Kurtosis of 10.56 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -2.68%00.00%0.00%
-2.68% to -1.23%00.00%0.00%
-1.23% to 0.21%00.00%0.00%
0.21% to 1.66%29914.88%14.88%
1.66% to 3.10%98649.05%63.93%
3.10% to 4.55%43121.44%85.37%
4.55% to 6.00%1648.16%93.53%
6.00% to 7.44%552.74%96.27%
7.44% to 8.89%321.59%97.86%
Greater than 8.89%432.14%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 1.18%5.03% 86.22%68.27%
±2σ -0.75%6.96% 95.57%95.45%
±3σ -2.68%8.89% 97.86%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.24. Further, an Excess Kurtosis of 4.21 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -6.29%150.75%0.75%
-6.29% to -4.72%251.24%1.99%
-4.72% to -3.15%562.79%4.78%
-3.15% to -1.58%26413.13%17.91%
-1.58% to -0.01%65132.39%50.30%
-0.01% to 1.57%65532.59%82.89%
1.57% to 3.14%22711.29%94.18%
3.14% to 4.71%824.08%98.26%
4.71% to 6.28%211.04%99.30%
Greater than 6.28%140.70%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.10%2.09% 76.62%68.27%
±2σ -4.20%4.19% 94.88%95.45%
±3σ -6.29%6.28% 98.56%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.49. Further, an Excess Kurtosis of 8.44 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -16.08%40.96%0.96%
-16.08% to -12.04%30.72%1.68%
-12.04% to -7.99%174.08%5.76%
-7.99% to -3.95%5112.23%17.99%
-3.95% to 0.09%12529.98%47.96%
0.09% to 4.14%14835.49%83.45%
4.14% to 8.18%5212.47%95.92%
8.18% to 12.22%112.64%98.56%
12.22% to 16.27%30.72%99.28%
Greater than 16.27%30.72%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -5.30%5.49% 77.70%68.27%
±2σ -10.69%10.88% 95.92%95.45%
±3σ -16.08%16.27% 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 2.93. Further, an Excess Kurtosis of 13.28 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.14%00.00%0.00%
-7.14% to -3.41%00.00%0.00%
-3.41% to 0.33%00.00%0.00%
0.33% to 4.06%6615.79%15.79%
4.06% to 7.80%19245.93%61.72%
7.80% to 11.53%10424.88%86.60%
11.53% to 15.27%337.89%94.50%
15.27% to 19.00%71.67%96.17%
19.00% to 22.73%71.67%97.85%
Greater than 22.73%92.15%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.82%12.78% 87.32%68.27%
±2σ -2.16%17.75% 95.69%95.45%
±3σ -7.14%22.73% 97.85%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.75. Further, an Excess Kurtosis of 5.45 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -16.13%10.24%0.24%
-16.13% to -12.04%51.20%1.44%
-12.04% to -7.96%71.67%3.11%
-7.96% to -3.87%5713.64%16.75%
-3.87% to 0.22%16038.28%55.02%
0.22% to 4.30%11828.23%83.25%
4.30% to 8.39%4811.48%94.74%
8.39% to 12.48%133.11%97.85%
12.48% to 16.57%40.96%98.80%
Greater than 16.57%51.20%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -5.23%5.67% 76.56%68.27%
±2σ -10.68%11.12% 95.45%95.45%
±3σ -16.13%16.57% 98.56%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.32. Further, an Excess Kurtosis of 0.62 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -25.77%00.00%0.00%
-25.77% to -19.30%22.08%2.08%
-19.30% to -12.82%33.12%5.21%
-12.82% to -6.34%1414.58%19.79%
-6.34% to 0.14%2930.21%50.00%
0.14% to 6.61%2526.04%76.04%
6.61% to 13.09%1717.71%93.75%
13.09% to 19.57%55.21%98.96%
19.57% to 26.04%11.04%100.00%
Greater than 26.04%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.50%8.77% 77.08%68.27%
±2σ -17.14%17.41% 92.71%95.45%
±3σ -25.77%26.04% 100.00%99.73%
High-to-Low 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 2.07 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -8.99%00.00%0.00%
-8.99% to -2.40%00.00%0.00%
-2.40% to 4.19%00.00%0.00%
4.19% to 10.77%2222.68%22.68%
10.77% to 17.36%4041.24%63.92%
17.36% to 23.95%1818.56%82.47%
23.95% to 30.53%99.28%91.75%
30.53% to 37.12%22.06%93.81%
37.12% to 43.71%44.12%97.94%
Greater than 43.71%22.06%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 8.58%26.14% 76.29%68.27%
±2σ -0.21%34.93% 93.81%95.45%
±3σ -8.99%43.71% 97.94%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.93. Further, an Excess Kurtosis of 1.96 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -27.13%00.00%0.00%
-27.13% to -20.19%00.00%0.00%
-20.19% to -13.25%44.12%4.12%
-13.25% to -6.31%1818.56%22.68%
-6.31% to 0.63%3131.96%54.64%
0.63% to 7.57%2828.87%83.51%
7.57% to 14.50%1010.31%93.81%
14.50% to 21.44%22.06%95.88%
21.44% to 28.38%22.06%97.94%
Greater than 28.38%22.06%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.62%9.88% 78.35%68.27%
±2σ -17.88%19.13% 93.81%95.45%
±3σ -27.13%28.38% 97.94%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.40. Further, an Excess Kurtosis of -0.61 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -44.66%00.00%0.00%
-44.66% to -33.39%00.00%0.00%
-33.39% to -22.11%13.12%3.12%
-22.11% to -10.83%1031.25%34.38%
-10.83% to 0.45%721.88%56.25%
0.45% to 11.73%721.88%78.12%
11.73% to 23.01%39.38%87.50%
23.01% to 34.29%412.50%100.00%
34.29% to 45.57%00.00%100.00%
Greater than 45.57%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -14.59%15.49% 68.75%68.27%
±2σ -29.63%30.53% 96.88%95.45%
±3σ -44.66%45.57% 100.00%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.86. Further, an Excess Kurtosis of 0.53 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.54%00.00%0.00%
-7.54% to 2.55%00.00%0.00%
2.55% to 12.64%13.03%3.03%
12.64% to 22.74%515.15%18.18%
22.74% to 32.83%1442.42%60.61%
32.83% to 42.92%721.21%81.82%
42.92% to 53.01%39.09%90.91%
53.01% to 63.10%13.03%93.94%
63.10% to 73.20%26.06%100.00%
Greater than 73.20%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 19.37%46.28% 63.64%68.27%
±2σ 5.92%59.74% 90.91%95.45%
±3σ -7.54%73.20% 100.00%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.24. Further, an Excess Kurtosis of -0.38 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -43.24%00.00%0.00%
-43.24% to -32.03%00.00%0.00%
-32.03% to -20.82%13.03%3.03%
-20.82% to -9.61%721.21%24.24%
-9.61% to 1.60%824.24%48.48%
1.60% to 12.81%721.21%69.70%
12.81% to 24.02%824.24%93.94%
24.02% to 35.23%13.03%96.97%
35.23% to 46.44%13.03%100.00%
Greater than 46.44%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.35%16.55% 63.64%68.27%
±2σ -28.30%31.50% 96.97%95.45%
±3σ -43.25%46.44% 100.00%99.73%