Fuel Tech, Inc. (FTEK)
NASDAQ: FTEK · Real-Time Price · USD
1.550
+0.180 (13.14%)
At close: Apr 28, 2026, 4:00 PM EDT
1.560
+0.010 (0.65%)
After-hours: Apr 28, 2026, 6:02 PM EDT
Fuel Tech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 1.43 | 1.54 | 1.37 | 1.51 | - | 10.22% | 1,136,480 |
| Apr 27, 2026 | 1.38 | 1.41 | 1.36 | 1.37 | 1.37 | 1.48% | 115,091 |
| Apr 24, 2026 | 1.34 | 1.38 | 1.31 | 1.35 | 1.35 | 0.75% | 188,963 |
| Apr 23, 2026 | 1.34 | 1.36 | 1.31 | 1.34 | 1.34 | -0.74% | 47,337 |
| Apr 22, 2026 | 1.41 | 1.41 | 1.33 | 1.35 | 1.35 | -1.46% | 135,524 |
| Apr 21, 2026 | 1.38 | 1.41 | 1.36 | 1.37 | 1.37 | - | 86,746 |
| Apr 20, 2026 | 1.35 | 1.40 | 1.33 | 1.37 | 1.37 | 1.48% | 92,393 |
| Apr 17, 2026 | 1.38 | 1.40 | 1.35 | 1.35 | 1.35 | - | 90,919 |
| Apr 16, 2026 | 1.40 | 1.40 | 1.35 | 1.35 | 1.35 | -2.17% | 34,563 |
| Apr 15, 2026 | 1.33 | 1.40 | 1.32 | 1.38 | 1.38 | 4.55% | 166,397 |
| Apr 14, 2026 | 1.30 | 1.33 | 1.30 | 1.32 | 1.32 | 3.13% | 252,299 |
| Apr 13, 2026 | 1.26 | 1.30 | 1.24 | 1.28 | 1.28 | 0.79% | 184,578 |
| Apr 10, 2026 | 1.30 | 1.30 | 1.27 | 1.27 | 1.27 | -2.31% | 59,965 |
| Apr 9, 2026 | 1.27 | 1.32 | 1.25 | 1.30 | 1.30 | 0.78% | 99,761 |
| Apr 8, 2026 | 1.30 | 1.32 | 1.26 | 1.29 | 1.29 | 1.57% | 205,483 |
| Apr 7, 2026 | 1.22 | 1.27 | 1.22 | 1.27 | 1.27 | 3.25% | 148,993 |
| Apr 6, 2026 | 1.23 | 1.24 | 1.19 | 1.23 | 1.23 | 0.82% | 112,605 |
| Apr 2, 2026 | 1.24 | 1.24 | 1.20 | 1.22 | 1.22 | -3.17% | 26,087 |
| Apr 1, 2026 | 1.25 | 1.26 | 1.24 | 1.26 | 1.26 | 3.28% | 81,983 |
| Mar 31, 2026 | 1.20 | 1.23 | 1.18 | 1.22 | 1.22 | 2.52% | 148,563 |
| Mar 30, 2026 | 1.25 | 1.26 | 1.17 | 1.19 | 1.19 | -4.80% | 237,866 |
| Mar 27, 2026 | 1.25 | 1.26 | 1.24 | 1.25 | 1.25 | - | 117,080 |
| Mar 26, 2026 | 1.27 | 1.27 | 1.25 | 1.25 | 1.25 | -1.57% | 49,989 |
| Mar 25, 2026 | 1.26 | 1.30 | 1.26 | 1.27 | 1.27 | 0.79% | 54,553 |
| Mar 24, 2026 | 1.23 | 1.28 | 1.23 | 1.26 | 1.26 | 2.44% | 135,778 |
| Mar 23, 2026 | 1.24 | 1.27 | 1.22 | 1.23 | 1.23 | -0.81% | 70,032 |
| Mar 20, 2026 | 1.25 | 1.25 | 1.22 | 1.24 | 1.24 | - | 61,341 |
| Mar 19, 2026 | 1.23 | 1.27 | 1.22 | 1.24 | 1.24 | -0.80% | 80,857 |
| Mar 18, 2026 | 1.25 | 1.26 | 1.23 | 1.25 | 1.25 | -0.79% | 116,734 |
| Mar 17, 2026 | 1.26 | 1.29 | 1.25 | 1.26 | 1.26 | 0.80% | 42,079 |
| Mar 16, 2026 | 1.25 | 1.28 | 1.22 | 1.25 | 1.25 | - | 131,544 |
| Mar 13, 2026 | 1.27 | 1.28 | 1.22 | 1.25 | 1.25 | -1.57% | 127,739 |
| Mar 12, 2026 | 1.30 | 1.31 | 1.22 | 1.27 | 1.27 | -1.55% | 261,656 |
| Mar 11, 2026 | 1.28 | 1.31 | 1.26 | 1.29 | 1.29 | - | 50,161 |
| Mar 10, 2026 | 1.27 | 1.34 | 1.24 | 1.29 | 1.29 | 4.88% | 116,098 |
| Mar 9, 2026 | 1.17 | 1.26 | 1.17 | 1.23 | 1.23 | - | 649,241 |
| Mar 6, 2026 | 1.24 | 1.29 | 1.19 | 1.23 | 1.23 | -1.60% | 612,336 |
| Mar 5, 2026 | 1.26 | 1.36 | 1.24 | 1.25 | 1.25 | 0.81% | 281,099 |
| Mar 4, 2026 | 1.32 | 1.33 | 1.18 | 1.24 | 1.24 | -10.14% | 596,801 |
| Mar 3, 2026 | 1.49 | 1.53 | 1.38 | 1.38 | 1.38 | -7.38% | 438,272 |
| Mar 2, 2026 | 1.42 | 1.56 | 1.37 | 1.49 | 1.49 | 4.93% | 190,047 |
| Feb 27, 2026 | 1.39 | 1.46 | 1.35 | 1.42 | 1.42 | 1.43% | 115,720 |
| Feb 26, 2026 | 1.39 | 1.42 | 1.35 | 1.40 | 1.40 | -1.41% | 56,934 |
| Feb 25, 2026 | 1.36 | 1.45 | 1.33 | 1.42 | 1.42 | 6.77% | 95,932 |
| Feb 24, 2026 | 1.33 | 1.38 | 1.31 | 1.33 | 1.33 | -0.75% | 77,243 |
| Feb 23, 2026 | 1.42 | 1.46 | 1.34 | 1.34 | 1.34 | -7.59% | 164,073 |
| Feb 20, 2026 | 1.35 | 1.49 | 1.35 | 1.45 | 1.45 | 5.07% | 206,502 |
| Feb 19, 2026 | 1.38 | 1.42 | 1.32 | 1.38 | 1.38 | - | 106,788 |
| Feb 18, 2026 | 1.36 | 1.41 | 1.31 | 1.38 | 1.38 | 0.73% | 262,038 |
| Feb 17, 2026 | 1.27 | 1.39 | 1.27 | 1.37 | 1.37 | 8.73% | 286,140 |
| Feb 13, 2026 | 1.27 | 1.32 | 1.25 | 1.26 | 1.26 | -0.79% | 127,873 |
| Feb 12, 2026 | 1.33 | 1.33 | 1.25 | 1.27 | 1.27 | -4.51% | 258,457 |
| Feb 11, 2026 | 1.39 | 1.39 | 1.28 | 1.33 | 1.33 | -1.48% | 233,819 |
| Feb 10, 2026 | 1.41 | 1.44 | 1.34 | 1.35 | 1.35 | -3.57% | 75,017 |
| Feb 9, 2026 | 1.38 | 1.48 | 1.35 | 1.40 | 1.40 | 1.45% | 206,447 |
| Feb 6, 2026 | 1.32 | 1.43 | 1.31 | 1.38 | 1.38 | 9.52% | 169,053 |
| Feb 5, 2026 | 1.33 | 1.35 | 1.25 | 1.26 | 1.26 | -5.26% | 147,366 |
| Feb 4, 2026 | 1.40 | 1.40 | 1.32 | 1.33 | 1.33 | -5.00% | 148,363 |
| Feb 3, 2026 | 1.41 | 1.47 | 1.35 | 1.40 | 1.40 | -0.71% | 117,981 |
| Feb 2, 2026 | 1.38 | 1.44 | 1.33 | 1.41 | 1.41 | 3.68% | 135,481 |
| Jan 30, 2026 | 1.39 | 1.39 | 1.28 | 1.36 | 1.36 | -2.16% | 208,760 |
| Jan 29, 2026 | 1.36 | 1.41 | 1.30 | 1.39 | 1.39 | 2.96% | 176,177 |
| Jan 28, 2026 | 1.45 | 1.48 | 1.33 | 1.35 | 1.35 | -6.90% | 320,860 |
| Jan 27, 2026 | 1.43 | 1.47 | 1.35 | 1.45 | 1.45 | 3.57% | 179,767 |
| Jan 26, 2026 | 1.53 | 1.56 | 1.35 | 1.40 | 1.40 | -7.89% | 316,398 |
| Jan 23, 2026 | 1.56 | 1.57 | 1.52 | 1.52 | 1.52 | -4.40% | 121,300 |
| Jan 22, 2026 | 1.57 | 1.61 | 1.56 | 1.59 | 1.59 | 2.58% | 28,737 |
| Jan 21, 2026 | 1.55 | 1.62 | 1.50 | 1.55 | 1.55 | -0.64% | 103,836 |
| Jan 20, 2026 | 1.54 | 1.59 | 1.47 | 1.56 | 1.56 | 1.30% | 210,013 |
| Jan 16, 2026 | 1.62 | 1.65 | 1.52 | 1.54 | 1.54 | -3.75% | 93,555 |
| Jan 15, 2026 | 1.54 | 1.62 | 1.52 | 1.60 | 1.60 | 4.58% | 136,439 |
| Jan 14, 2026 | 1.54 | 1.56 | 1.50 | 1.53 | 1.53 | -1.29% | 137,272 |
| Jan 13, 2026 | 1.58 | 1.61 | 1.53 | 1.55 | 1.55 | -2.52% | 133,194 |
| Jan 12, 2026 | 1.56 | 1.64 | 1.56 | 1.59 | 1.59 | -1.24% | 102,839 |
| Jan 9, 2026 | 1.65 | 1.67 | 1.57 | 1.61 | 1.61 | -0.62% | 66,725 |
| Jan 8, 2026 | 1.62 | 1.66 | 1.59 | 1.62 | 1.62 | - | 72,976 |
| Jan 7, 2026 | 1.63 | 1.63 | 1.57 | 1.62 | 1.62 | - | 101,340 |
| Jan 6, 2026 | 1.68 | 1.70 | 1.58 | 1.62 | 1.62 | -4.14% | 144,014 |
| Jan 5, 2026 | 1.71 | 1.75 | 1.65 | 1.69 | 1.69 | -1.17% | 285,896 |
| Jan 2, 2026 | 1.60 | 1.75 | 1.57 | 1.71 | 1.71 | 9.62% | 217,304 |
| Dec 31, 2025 | 1.53 | 1.63 | 1.51 | 1.56 | 1.56 | 1.96% | 186,103 |
| Dec 30, 2025 | 1.50 | 1.60 | 1.41 | 1.53 | 1.53 | - | 364,892 |
| Dec 29, 2025 | 1.60 | 1.63 | 1.51 | 1.53 | 1.53 | -6.13% | 279,368 |
| Dec 26, 2025 | 1.61 | 1.63 | 1.57 | 1.63 | 1.63 | 1.24% | 109,081 |
| Dec 24, 2025 | 1.60 | 1.72 | 1.56 | 1.61 | 1.61 | - | 83,158 |
| Dec 23, 2025 | 1.65 | 1.68 | 1.59 | 1.61 | 1.61 | -4.17% | 195,786 |
| Dec 22, 2025 | 1.68 | 1.75 | 1.66 | 1.68 | 1.68 | 0.60% | 168,813 |
| Dec 19, 2025 | 1.58 | 1.76 | 1.58 | 1.67 | 1.67 | 5.70% | 167,529 |
| Dec 18, 2025 | 1.55 | 1.60 | 1.52 | 1.58 | 1.58 | 3.95% | 387,916 |
| Dec 17, 2025 | 1.56 | 1.63 | 1.50 | 1.52 | 1.52 | - | 162,329 |
| Dec 16, 2025 | 1.67 | 1.71 | 1.51 | 1.52 | 1.52 | -9.52% | 287,804 |
| Dec 15, 2025 | 1.74 | 1.77 | 1.65 | 1.68 | 1.68 | -2.33% | 81,185 |
| Dec 12, 2025 | 1.82 | 1.82 | 1.70 | 1.72 | 1.72 | -5.49% | 75,006 |
| Dec 11, 2025 | 1.79 | 1.85 | 1.77 | 1.82 | 1.82 | 1.11% | 47,246 |
| Dec 10, 2025 | 1.84 | 1.87 | 1.79 | 1.80 | 1.80 | -2.70% | 87,794 |
| Dec 9, 2025 | 1.78 | 1.88 | 1.76 | 1.85 | 1.85 | 2.78% | 106,657 |
| Dec 8, 2025 | 1.70 | 1.81 | 1.61 | 1.80 | 1.80 | 6.51% | 357,140 |
| Dec 5, 2025 | 1.85 | 1.86 | 1.67 | 1.69 | 1.69 | -5.59% | 84,653 |
| Dec 4, 2025 | 1.84 | 1.87 | 1.74 | 1.79 | 1.79 | -2.19% | 49,289 |
| Dec 3, 2025 | 1.75 | 1.83 | 1.70 | 1.83 | 1.83 | 3.39% | 129,858 |