PLUG Deep Analytical Report

Plug Power Inc. | Category: Equity Small Cap | Last Updated: 2026-02-22 | Data Range: 1999-10-01 → 2026-02-01 (317 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 6.11% 5.43% 5.30% 8.15% 6.63% 6.69% 1.75 2.00 1.64 2.14
Weekly 14.15% 17.27% 13.65% 19.69% 14.59% 14.73% 1.62 2.16 1.40 2.50
Monthly 29.13% 44.94% 28.18% 41.39% 30.37% 30.67% 1.38 2.53 1.02 3.43
Quarterly 80.36% 140.25% 47.95% 74.33% 52.60% 53.13% 1.11 3.16 0.65 5.35
Annual 105.20% 106.25% 0.65 5.35 0.23 15.33
Option Time Horizon 34.39% 34.73% 1.33 2.64 0.94 3.72
Calculation Notes: Computed at 2026-02-22T14:19 UTC  |  Reference Contract: Call option expiring 2026-04-02 (39 days)  |  Spot Price (S): $1.87  |  Strike (K): $2.00 (first OTM call ≥ spot)  |  Observed Mid-Price: $0.2100 (Bid $0.1800 / Ask $0.2400)  |  Risk-Free Rate (r): 3.72% (1-Month CMT, US Treasury)  |  Dividend Yield (q): 0.00%  |  Binomial IV (Annual): 105.20% (CRR binomial tree, American, n=20 steps)  |  BS IV: 106.44% (European Black-Scholes)  |  Yahoo IV (Annual): 106.25% → 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 Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.53. Further, an Excess Kurtosis of 36.53 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -18.22%230.35%0.35%
-18.22% to -13.64%400.60%0.95%
-13.64% to -9.06%1492.25%3.21%
-9.06% to -4.47%76611.58%14.79%
-4.47% to 0.11%279342.24%57.03%
0.11% to 4.69%194229.37%86.40%
4.69% to 9.27%5788.74%95.15%
9.27% to 13.86%1762.66%97.81%
13.86% to 18.44%721.09%98.90%
Greater than 18.44%731.10%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -6.00%6.22% 81.78%68.27%
±2σ -12.11%12.33% 95.86%95.45%
±3σ -18.22%18.44% 98.55%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.59. Further, an Excess Kurtosis of 49.63 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -8.86%00.00%0.00%
-8.86% to -4.78%00.00%0.00%
-4.78% to -0.71%00.00%0.00%
-0.71% to 3.36%83912.69%12.69%
3.36% to 7.43%341151.58%64.27%
7.43% to 11.50%147222.26%86.53%
11.50% to 15.57%5027.59%94.12%
15.57% to 19.64%1862.81%96.93%
19.64% to 23.71%841.27%98.20%
Greater than 23.71%1191.80%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.00%12.86% 88.17%68.27%
±2σ -3.43%18.29% 96.16%95.45%
±3σ -8.85%23.71% 98.20%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 1.81. Further, an Excess Kurtosis of 34.86 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -15.27%460.70%0.70%
-15.27% to -11.29%681.03%1.72%
-11.29% to -7.32%1952.95%4.67%
-7.32% to -3.34%74711.30%15.97%
-3.34% to 0.64%228234.51%50.48%
0.64% to 4.62%223133.74%84.21%
4.62% to 8.60%76011.49%95.71%
8.60% to 12.57%1782.69%98.40%
12.57% to 16.55%540.82%99.21%
Greater than 16.55%520.79%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -4.66%5.95% 80.01%68.27%
±2σ -9.97%11.25% 95.60%95.45%
±3σ -15.27%16.55% 98.52%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.47. Further, an Excess Kurtosis of 18.35 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -41.88%30.22%0.22%
-41.88% to -31.27%80.58%0.80%
-31.27% to -20.66%372.69%3.50%
-20.66% to -10.05%15010.92%14.42%
-10.05% to 0.56%57141.59%56.01%
0.56% to 11.18%41430.15%86.16%
11.18% to 21.79%1208.74%94.90%
21.79% to 32.40%423.06%97.96%
32.40% to 43.01%110.80%98.76%
Greater than 43.01%171.24%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -13.58%14.71% 82.16%68.27%
±2σ -27.73%28.86% 95.92%95.45%
±3σ -41.88%43.01% 98.54%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 5.44. Further, an Excess Kurtosis of 49.65 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -32.36%00.00%0.00%
-32.36% to -19.41%00.00%0.00%
-19.41% to -6.46%00.00%0.00%
-6.46% to 6.49%906.55%6.55%
6.49% to 19.44%80158.30%64.85%
19.44% to 32.39%33224.16%89.01%
32.39% to 45.34%846.11%95.12%
45.34% to 58.29%342.47%97.60%
58.29% to 71.24%110.80%98.40%
Greater than 71.24%221.60%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 2.17%36.71% 91.48%68.27%
±2σ -15.10%53.98% 97.02%95.45%
±3σ -32.36%71.24% 98.40%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.57. Further, an Excess Kurtosis of 28.84 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -39.25%80.58%0.58%
-39.25% to -29.02%100.73%1.31%
-29.02% to -18.78%302.18%3.49%
-18.78% to -8.54%16411.94%15.43%
-8.54% to 1.70%50536.75%52.18%
1.70% to 11.93%47834.79%86.97%
11.93% to 22.17%1158.37%95.34%
22.17% to 32.41%402.91%98.25%
32.41% to 42.65%110.80%99.05%
Greater than 42.65%130.95%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -11.95%15.35% 81.15%68.27%
±2σ -25.60%29.00% 96.00%95.45%
±3σ -39.25%42.65% 98.47%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.62. Further, an Excess Kurtosis of 14.50 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -85.42%00.00%0.00%
-85.42% to -63.58%00.00%0.00%
-63.58% to -41.73%61.90%1.90%
-41.73% to -19.89%4313.61%15.51%
-19.89% to 1.96%14445.57%61.08%
1.96% to 23.80%7925.00%86.08%
23.80% to 45.64%257.91%93.99%
45.64% to 67.49%82.53%96.52%
67.49% to 89.33%51.58%98.10%
Greater than 89.33%61.90%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -27.17%31.08% 82.59%68.27%
±2σ -56.30%60.21% 94.94%95.45%
±3σ -85.42%89.33% 98.10%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.71. Further, an Excess Kurtosis of 37.16 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -84.75%00.00%0.00%
-84.75% to -51.05%00.00%0.00%
-51.05% to -17.34%00.00%0.00%
-17.34% to 16.37%216.62%6.62%
16.37% to 50.08%19461.20%67.82%
50.08% to 83.78%6319.87%87.70%
83.78% to 117.49%247.57%95.27%
117.49% to 151.20%61.89%97.16%
151.20% to 184.90%30.95%98.11%
Greater than 184.90%61.89%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ 5.13%95.02% 91.17%68.27%
±2σ -39.81%139.96% 96.53%95.45%
±3σ -84.75%184.90% 98.11%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 2.01. Further, an Excess Kurtosis of 10.09 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -79.08%00.00%0.00%
-79.08% to -57.94%10.32%0.32%
-57.94% to -36.80%113.47%3.79%
-36.80% to -15.67%4213.25%17.03%
-15.67% to 5.47%12439.12%56.15%
5.47% to 26.61%9329.34%85.49%
26.61% to 47.75%278.52%94.01%
47.75% to 68.89%113.47%97.48%
68.89% to 90.03%41.26%98.74%
Greater than 90.03%41.26%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -22.71%33.66% 81.07%68.27%
±2σ -50.90%61.84% 96.21%95.45%
±3σ -79.08%90.03% 98.74%99.73%
Close-to-Close Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.12. Further, an Excess Kurtosis of 19.83 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -231.35%00.00%0.00%
-231.35% to -171.08%00.00%0.00%
-171.08% to -110.81%00.00%0.00%
-110.81% to -50.54%76.60%6.60%
-50.54% to 9.73%6965.09%71.70%
9.73% to 70.00%2018.87%90.57%
70.00% to 130.27%65.66%96.23%
130.27% to 190.54%10.94%97.17%
190.54% to 250.81%00.00%97.17%
Greater than 250.81%32.83%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -70.63%90.09% 95.28%68.27%
±2σ -150.99%170.45% 96.23%95.45%
±3σ -231.35%250.81% 97.17%99.73%
High-to-Low Returns
Gram-Charlier Analysis: Data reveals Highly Right Skewed (Extreme Positive Tail Risk) with a Skewness factor of 4.40. Further, an Excess Kurtosis of 23.91 proves the distribution possesses Extreme Fat Tails (Frequent Outliers, Leptokurtic).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -300.12%00.00%0.00%
-300.12% to -194.93%00.00%0.00%
-194.93% to -89.73%00.00%0.00%
-89.73% to 15.45%00.00%0.00%
15.45% to 120.64%7267.29%67.29%
120.64% to 225.83%2422.43%89.72%
225.83% to 331.02%76.54%96.26%
331.02% to 436.21%10.93%97.20%
436.21% to 541.40%10.93%98.13%
Greater than 541.40%21.87%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -19.61%260.90% 93.46%68.27%
±2σ -159.86%401.15% 97.20%95.45%
±3σ -300.11%541.40% 98.13%99.73%
Open-to-Close Returns
Gram-Charlier Analysis: Data reveals Right Skewed (Positive Asymmetry) with a Skewness factor of 0.97. Further, an Excess Kurtosis of 1.69 proves the distribution possesses Fat Tails (Higher Outlier Risk).
Bin Distribution Over Raw Range
Bin / RangeFrequencyProbCum. Prob
Less than -128.46%00.00%0.00%
-128.46% to -92.49%00.00%0.00%
-92.49% to -56.52%43.74%3.74%
-56.52% to -20.56%1514.02%17.76%
-20.56% to 15.41%4844.86%62.62%
15.41% to 51.38%2321.50%84.11%
51.38% to 87.34%76.54%90.65%
87.34% to 123.31%65.61%96.26%
123.31% to 159.27%32.80%99.07%
Greater than 159.27%10.93%100.00%
Standard Deviation Interval Analysis
SDLower BndUpper Bnd Actual %Normal %
±1σ -32.55%63.36% 75.70%68.27%
±2σ -80.50%111.32% 93.46%95.45%
±3σ -128.46%159.27% 99.07%99.73%