Plug Power Inc. (PLUG)
NASDAQ: PLUG · Real-Time Price · USD
2.850
+0.200 (7.55%)
At close: Jun 18, 2026, 4:00 PM EDT
2.840
-0.010 (-0.35%)
After-hours: Jun 18, 2026, 7:59 PM EDT
Plug Power Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 2.73 | 2.86 | 2.64 | 2.85 | 2.85 | 7.55% | 66,187,954 |
| Jun 17, 2026 | 2.72 | 2.89 | 2.65 | 2.65 | 2.65 | -2.21% | 79,489,028 |
| Jun 16, 2026 | 2.74 | 2.89 | 2.69 | 2.71 | 2.71 | -3.21% | 43,652,271 |
| Jun 15, 2026 | 2.89 | 2.98 | 2.78 | 2.80 | 2.80 | 1.45% | 39,698,622 |
| Jun 12, 2026 | 2.85 | 2.85 | 2.69 | 2.76 | 2.76 | -2.47% | 49,731,723 |
| Jun 11, 2026 | 2.86 | 2.89 | 2.74 | 2.83 | 2.83 | -1.05% | 46,572,787 |
| Jun 10, 2026 | 2.88 | 2.96 | 2.85 | 2.86 | 2.86 | -1.72% | 43,467,990 |
| Jun 9, 2026 | 3.22 | 3.26 | 2.82 | 2.91 | 2.91 | -8.78% | 70,106,705 |
| Jun 8, 2026 | 3.32 | 3.34 | 3.17 | 3.19 | 3.19 | -0.78% | 45,176,459 |
| Jun 5, 2026 | 3.50 | 3.50 | 3.15 | 3.22 | 3.22 | -10.69% | 79,379,798 |
| Jun 4, 2026 | 3.58 | 3.72 | 3.50 | 3.60 | 3.60 | -2.44% | 54,025,006 |
| Jun 3, 2026 | 3.99 | 3.99 | 3.69 | 3.69 | 3.69 | -9.78% | 73,366,050 |
| Jun 2, 2026 | 3.93 | 4.33 | 3.85 | 4.09 | 4.09 | 3.81% | 82,099,740 |
| Jun 1, 2026 | 3.90 | 4.06 | 3.80 | 3.94 | 3.94 | -0.25% | 64,925,392 |
| May 29, 2026 | 4.14 | 4.14 | 3.85 | 3.95 | 3.95 | -4.13% | 68,126,687 |
| May 28, 2026 | 4.08 | 4.31 | 4.03 | 4.12 | 4.12 | -0.48% | 91,758,350 |
| May 27, 2026 | 3.81 | 4.22 | 3.75 | 4.14 | 4.14 | 7.81% | 110,538,047 |
| May 26, 2026 | 3.82 | 4.03 | 3.68 | 3.84 | 3.84 | 1.59% | 112,098,930 |
| May 22, 2026 | 3.76 | 3.92 | 3.69 | 3.78 | 3.78 | - | 71,431,978 |
| May 21, 2026 | 3.26 | 3.88 | 3.25 | 3.78 | 3.78 | 14.20% | 115,550,652 |
| May 20, 2026 | 3.38 | 3.43 | 3.22 | 3.31 | 3.31 | - | 60,535,981 |
| May 19, 2026 | 3.39 | 3.45 | 3.21 | 3.31 | 3.31 | -4.06% | 45,630,971 |
| May 18, 2026 | 3.80 | 3.81 | 3.32 | 3.45 | 3.45 | -8.73% | 86,372,042 |
| May 15, 2026 | 3.65 | 3.99 | 3.57 | 3.78 | 3.78 | -0.26% | 97,570,467 |
| May 14, 2026 | 3.85 | 3.92 | 3.69 | 3.79 | 3.79 | -4.29% | 91,734,854 |
| May 13, 2026 | 3.60 | 4.11 | 3.41 | 3.96 | 3.96 | 11.24% | 163,401,845 |
| May 12, 2026 | 3.77 | 3.89 | 3.46 | 3.56 | 3.56 | 1.14% | 196,969,870 |
| May 11, 2026 | 3.10 | 3.64 | 3.05 | 3.52 | 3.52 | 12.82% | 175,288,950 |
| May 8, 2026 | 3.15 | 3.21 | 3.05 | 3.12 | 3.12 | -0.32% | 45,815,735 |
| May 7, 2026 | 3.27 | 3.28 | 3.06 | 3.13 | 3.13 | -5.44% | 79,475,864 |
| May 6, 2026 | 3.33 | 3.35 | 3.22 | 3.31 | 3.31 | -0.30% | 59,643,592 |
| May 5, 2026 | 3.15 | 3.40 | 3.14 | 3.32 | 3.32 | 6.07% | 67,726,956 |
| May 4, 2026 | 3.09 | 3.23 | 3.07 | 3.13 | 3.13 | 0.64% | 50,642,842 |
| May 1, 2026 | 3.15 | 3.18 | 3.04 | 3.11 | 3.11 | -0.64% | 37,028,959 |
| Apr 30, 2026 | 3.42 | 3.42 | 3.04 | 3.13 | 3.13 | -8.21% | 96,518,360 |
| Apr 29, 2026 | 3.14 | 3.44 | 3.06 | 3.41 | 3.41 | 12.54% | 133,462,050 |
| Apr 28, 2026 | 3.00 | 3.08 | 2.95 | 3.03 | 3.03 | -1.62% | 37,516,398 |
| Apr 27, 2026 | 3.15 | 3.16 | 2.95 | 3.08 | 3.08 | -1.91% | 57,720,400 |
| Apr 24, 2026 | 3.20 | 3.38 | 3.09 | 3.14 | 3.14 | -1.26% | 76,960,302 |
| Apr 23, 2026 | 3.22 | 3.28 | 3.04 | 3.18 | 3.18 | -0.31% | 66,212,221 |
| Apr 22, 2026 | 3.20 | 3.21 | 3.09 | 3.19 | 3.19 | 3.57% | 60,241,118 |
| Apr 21, 2026 | 3.22 | 3.26 | 3.05 | 3.08 | 3.08 | -4.35% | 82,135,347 |
| Apr 20, 2026 | 2.73 | 3.23 | 2.72 | 3.22 | 3.22 | 15.83% | 112,240,434 |
| Apr 17, 2026 | 2.94 | 2.96 | 2.76 | 2.78 | 2.78 | -2.80% | 83,567,774 |
| Apr 16, 2026 | 2.95 | 2.97 | 2.78 | 2.86 | 2.86 | -2.39% | 57,509,617 |
| Apr 15, 2026 | 2.99 | 3.01 | 2.82 | 2.93 | 2.93 | -0.34% | 68,686,426 |
| Apr 14, 2026 | 2.92 | 3.01 | 2.87 | 2.94 | 2.94 | 6.14% | 86,051,645 |
| Apr 13, 2026 | 2.73 | 2.87 | 2.69 | 2.77 | 2.77 | 1.09% | 60,160,615 |
| Apr 10, 2026 | 2.80 | 2.90 | 2.73 | 2.74 | 2.74 | - | 60,962,440 |
| Apr 9, 2026 | 2.63 | 2.84 | 2.62 | 2.74 | 2.74 | 3.40% | 76,699,985 |