DBX Deep Analytical Report

Dropbox, Inc. | Category: Equity Mid Cap | Last Updated: 2026-02-22 | Data Range: 2018-03-01 → 2026-02-01 (96 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 2.43% 1.93% 2.10% 2.69% 1.87% 2.29% 25.01 25.96 24.55 26.45
Weekly 5.40% 5.00% 5.46% 6.25% 4.11% 5.03% 24.45 26.55 23.47 27.66
Monthly 8.68% 8.79% 9.30% 13.29% 8.55% 10.47% 23.39 27.75 21.47 30.23
Quarterly 15.03% 13.67% 14.95% 24.19% 14.81% 18.14% 21.97 29.55 18.95 34.26
Annual 29.62% 36.28% 18.95 34.26 14.09 46.08
Option Time Horizon 11.39% 13.95% 22.74 28.55 20.29 32.00
Calculation Notes: Computed at 2026-02-22T14:20 UTC  |  Reference Contract: Call option expiring 2026-04-17 (54 days)  |  Spot Price (S): $25.48  |  Strike (K): $26.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $1.0000 (Bid $0.8000 / Ask $1.2000)  |  Risk-Free Rate (r): 3.72% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 0.00%  |  Binomial IV (Annual): 29.62% (CRR binomial tree, American, n=20 steps)  |  BS IV: 29.95% (European Black-Scholes)  |  Yahoo IV (Annual): 36.28% → 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 -0.27. Further, an Excess Kurtosis of 10.93 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.27%160.80%0.80%
-7.27% to -5.45%211.06%1.86%
-5.45% to -3.62%542.72%4.58%
-3.62% to -1.80%23311.72%16.30%
-1.80% to 0.02%63932.14%48.44%
0.02% to 1.85%69735.06%83.50%
1.85% to 3.67%24912.53%96.03%
3.67% to 5.50%482.41%98.44%
5.50% to 7.32%160.80%99.25%
Greater than 7.32%150.75%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.41%2.46% 78.27%68.27%
±2σ -4.84%4.89% 95.62%95.45%
±3σ -7.27%7.32% 98.44%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.67. Further, an Excess Kurtosis of 10.55 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -2.70%00.00%0.00%
-2.70% to -1.25%00.00%0.00%
-1.25% to 0.20%00.00%0.00%
0.20% to 1.65%29314.73%14.73%
1.65% to 3.10%98049.27%64.00%
3.10% to 4.55%42721.47%85.47%
4.55% to 6.00%1608.04%93.51%
6.00% to 7.45%542.71%96.23%
7.45% to 8.90%321.61%97.84%
Greater than 8.90%432.16%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 1.17%5.04% 86.32%68.27%
±2σ -0.76%6.97% 95.53%95.45%
±3σ -2.70%8.90% 97.84%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 4.22 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%241.21%1.96%
-4.72% to -3.15%562.82%4.78%
-3.15% to -1.57%26013.07%17.85%
-1.57% to -0.00%64432.38%50.23%
-0.00% to 1.57%64932.63%82.86%
1.57% to 3.15%22511.31%94.17%
3.15% to 4.72%814.07%98.24%
4.72% to 6.29%211.06%99.30%
Greater than 6.29%140.70%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -2.10%2.10% 76.57%68.27%
±2σ -4.20%4.19% 94.97%95.45%
±3σ -6.29%6.29% 98.54%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.48. Further, an Excess Kurtosis of 8.46 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -16.10%40.97%0.97%
-16.10% to -12.05%30.73%1.69%
-12.05% to -8.00%174.12%5.81%
-8.00% to -3.95%5012.11%17.92%
-3.95% to 0.10%12430.02%47.94%
0.10% to 4.15%14735.59%83.54%
4.15% to 8.20%5112.35%95.88%
8.20% to 12.25%112.66%98.55%
12.25% to 16.30%30.73%99.27%
Greater than 16.30%30.73%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -5.30%5.50% 77.72%68.27%
±2σ -10.70%10.90% 95.88%95.45%
±3σ -16.10%16.30% 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 2.91. Further, an Excess Kurtosis of 13.13 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -7.20%00.00%0.00%
-7.20% to -3.44%00.00%0.00%
-3.44% to 0.31%00.00%0.00%
0.31% to 4.06%6615.94%15.94%
4.06% to 7.81%18945.65%61.59%
7.81% to 11.56%10324.88%86.47%
11.56% to 15.31%337.97%94.44%
15.31% to 19.06%71.69%96.14%
19.06% to 22.81%71.69%97.83%
Greater than 22.81%92.17%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.81%12.81% 87.20%68.27%
±2σ -2.20%17.81% 95.65%95.45%
±3σ -7.20%22.81% 97.83%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.76. Further, an Excess Kurtosis of 5.46 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -16.17%10.24%0.24%
-16.17% to -12.07%51.21%1.45%
-12.07% to -7.98%71.69%3.14%
-7.98% to -3.88%5613.53%16.67%
-3.88% to 0.21%16038.65%55.31%
0.21% to 4.31%11628.02%83.33%
4.31% to 8.40%4711.35%94.69%
8.40% to 12.50%133.14%97.83%
12.50% to 16.59%40.97%98.79%
Greater than 16.59%51.21%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -5.25%5.67% 76.57%68.27%
±2σ -10.71%11.13% 95.41%95.45%
±3σ -16.17%16.59% 98.55%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of -0.33. Further, an Excess Kurtosis of 0.59 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -25.86%00.00%0.00%
-25.86% to -19.36%22.11%2.11%
-19.36% to -12.85%33.16%5.26%
-12.85% to -6.34%1414.74%20.00%
-6.34% to 0.17%2829.47%49.47%
0.17% to 6.68%2526.32%75.79%
6.68% to 13.19%1818.95%94.74%
13.19% to 19.69%44.21%98.95%
19.69% to 26.20%11.05%100.00%
Greater than 26.20%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.51%8.85% 76.84%68.27%
±2σ -17.19%17.53% 92.63%95.45%
±3σ -25.87%26.20% 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 1.48. Further, an Excess Kurtosis of 2.04 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -8.94%00.00%0.00%
-8.94% to -2.35%00.00%0.00%
-2.35% to 4.25%00.00%0.00%
4.25% to 10.84%2121.88%21.88%
10.84% to 17.44%4041.67%63.54%
17.44% to 24.03%1818.75%82.29%
24.03% to 30.63%99.38%91.67%
30.63% to 37.23%22.08%93.75%
37.23% to 43.82%44.17%97.92%
Greater than 43.82%22.08%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 8.64%26.23% 75.00%68.27%
±2σ -0.15%35.03% 93.75%95.45%
±3σ -8.94%43.82% 97.92%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 1.91 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -27.28%00.00%0.00%
-27.28% to -20.30%00.00%0.00%
-20.30% to -13.33%44.17%4.17%
-13.33% to -6.36%1818.75%22.92%
-6.36% to 0.62%3132.29%55.21%
0.62% to 7.59%2728.12%83.33%
7.59% to 14.57%1010.42%93.75%
14.57% to 21.54%33.12%96.88%
21.54% to 28.52%11.04%97.92%
Greater than 28.52%22.08%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -8.68%9.92% 78.12%68.27%
±2σ -17.98%19.22% 93.75%95.45%
±3σ -27.28%28.51% 97.92%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.38. Further, an Excess Kurtosis of -0.61 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -44.53%00.00%0.00%
-44.53% to -33.26%00.00%0.00%
-33.26% to -21.99%13.12%3.12%
-21.99% to -10.72%1031.25%34.38%
-10.72% to 0.55%721.88%56.25%
0.55% to 11.82%721.88%78.12%
11.82% to 23.09%39.38%87.50%
23.09% to 34.36%412.50%100.00%
34.36% to 45.63%00.00%100.00%
Greater than 45.63%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -14.48%15.57% 68.75%68.27%
±2σ -29.50%30.60% 96.88%95.45%
±3σ -44.53%45.63% 100.00%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.77. Further, an Excess Kurtosis of 0.51 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -8.30%00.00%0.00%
-8.30% to 1.95%00.00%0.00%
1.95% to 12.20%26.06%6.06%
12.20% to 22.45%412.12%18.18%
22.45% to 32.70%1442.42%60.61%
32.70% to 42.95%721.21%81.82%
42.95% to 53.20%39.09%90.91%
53.20% to 63.44%13.03%93.94%
63.44% to 73.69%26.06%100.00%
Greater than 73.69%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 19.03%46.36% 69.70%68.27%
±2σ 5.36%60.03% 90.91%95.45%
±3σ -8.30%73.69% 100.00%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Fairly Symmetrical with a Skewness factor of 0.26. Further, an Excess Kurtosis of -0.37 proves the distribution possesses Normal Tails (Mesokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -43.34%00.00%0.00%
-43.34% to -32.13%00.00%0.00%
-32.13% to -20.92%13.03%3.03%
-20.92% to -9.71%721.21%24.24%
-9.71% to 1.50%927.27%51.52%
1.50% to 12.71%618.18%69.70%
12.71% to 23.92%824.24%93.94%
23.92% to 35.13%13.03%96.97%
35.13% to 46.35%13.03%100.00%
Greater than 46.35%00.00%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.45%16.45% 63.64%68.27%
±2σ -28.39%31.40% 96.97%95.45%
±3σ -43.34%46.35% 100.00%99.73%