Fuel Tech, Inc. (FTEK)
NASDAQ: FTEK · Real-Time Price · USD
2.150
+0.240 (12.57%)
At close: Jun 26, 2026, 4:00 PM EDT
2.081
-0.069 (-3.22%)
After-hours: Jun 26, 2026, 7:52 PM EDT
Fuel Tech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 1.87 | 2.16 | 1.87 | 2.15 | 2.15 | 12.57% | 562,428 |
| Jun 25, 2026 | 1.91 | 1.93 | 1.76 | 1.91 | 1.91 | -1.04% | 290,875 |
| Jun 24, 2026 | 1.97 | 2.09 | 1.92 | 1.93 | 1.93 | -3.02% | 322,465 |
| Jun 23, 2026 | 1.90 | 2.31 | 1.86 | 1.99 | 1.99 | - | 1,066,997 |
| Jun 22, 2026 | 1.56 | 2.35 | 1.56 | 1.99 | 1.99 | 29.22% | 7,596,987 |
| Jun 18, 2026 | 1.50 | 1.60 | 1.47 | 1.54 | 1.54 | 5.48% | 829,699 |
| Jun 17, 2026 | 1.33 | 1.50 | 1.31 | 1.46 | 1.46 | 11.45% | 632,607 |
| Jun 16, 2026 | 1.33 | 1.33 | 1.29 | 1.31 | 1.31 | - | 104,109 |
| Jun 15, 2026 | 1.34 | 1.34 | 1.29 | 1.31 | 1.31 | -2.24% | 77,149 |
| Jun 12, 2026 | 1.34 | 1.39 | 1.34 | 1.34 | 1.34 | - | 92,335 |
| Jun 11, 2026 | 1.29 | 1.36 | 1.29 | 1.34 | 1.34 | 3.08% | 200,170 |
| Jun 10, 2026 | 1.32 | 1.33 | 1.29 | 1.30 | 1.30 | -0.76% | 68,570 |
| Jun 9, 2026 | 1.34 | 1.36 | 1.29 | 1.31 | 1.31 | -2.96% | 160,957 |
| Jun 8, 2026 | 1.38 | 1.38 | 1.34 | 1.35 | 1.35 | -0.74% | 92,582 |
| Jun 5, 2026 | 1.45 | 1.45 | 1.35 | 1.36 | 1.36 | -6.85% | 118,529 |
| Jun 4, 2026 | 1.42 | 1.50 | 1.41 | 1.46 | 1.46 | 1.39% | 179,570 |
| Jun 3, 2026 | 1.46 | 1.47 | 1.42 | 1.44 | 1.44 | -2.04% | 122,149 |
| Jun 2, 2026 | 1.47 | 1.48 | 1.46 | 1.47 | 1.47 | -0.68% | 88,196 |
| Jun 1, 2026 | 1.50 | 1.50 | 1.45 | 1.48 | 1.48 | - | 199,722 |
| May 29, 2026 | 1.49 | 1.54 | 1.48 | 1.48 | 1.48 | -1.99% | 395,891 |
| May 28, 2026 | 1.53 | 1.54 | 1.48 | 1.51 | 1.51 | - | 284,557 |
| May 27, 2026 | 1.48 | 1.53 | 1.46 | 1.51 | 1.51 | 2.03% | 204,297 |
| May 26, 2026 | 1.50 | 1.52 | 1.47 | 1.48 | 1.48 | - | 218,633 |
| May 22, 2026 | 1.46 | 1.49 | 1.43 | 1.48 | 1.48 | 2.07% | 183,709 |
| May 21, 2026 | 1.45 | 1.47 | 1.43 | 1.45 | 1.45 | -0.68% | 189,390 |
| May 20, 2026 | 1.48 | 1.50 | 1.44 | 1.46 | 1.46 | -1.35% | 289,554 |
| May 19, 2026 | 1.44 | 1.49 | 1.41 | 1.48 | 1.48 | 2.07% | 218,345 |
| May 18, 2026 | 1.46 | 1.47 | 1.42 | 1.45 | 1.45 | -1.69% | 89,349 |
| May 15, 2026 | 1.44 | 1.48 | 1.43 | 1.48 | 1.48 | 1.72% | 173,858 |
| May 14, 2026 | 1.44 | 1.50 | 1.40 | 1.45 | 1.45 | 0.69% | 335,770 |
| May 13, 2026 | 1.44 | 1.50 | 1.40 | 1.44 | 1.44 | -1.37% | 147,107 |
| May 12, 2026 | 1.48 | 1.48 | 1.44 | 1.46 | 1.46 | -2.01% | 90,075 |
| May 11, 2026 | 1.50 | 1.50 | 1.44 | 1.49 | 1.49 | -1.97% | 125,301 |
| May 8, 2026 | 1.52 | 1.53 | 1.48 | 1.52 | 1.52 | -0.65% | 156,775 |
| May 7, 2026 | 1.39 | 1.53 | 1.38 | 1.53 | 1.53 | 10.87% | 248,098 |
| May 6, 2026 | 1.42 | 1.51 | 1.38 | 1.38 | 1.38 | -13.21% | 565,115 |
| May 5, 2026 | 1.62 | 1.64 | 1.58 | 1.59 | 1.59 | -2.45% | 259,972 |
| May 4, 2026 | 1.61 | 1.68 | 1.55 | 1.63 | 1.63 | 1.24% | 311,143 |
| May 1, 2026 | 1.56 | 1.62 | 1.56 | 1.61 | 1.61 | 2.55% | 93,886 |
| Apr 30, 2026 | 1.62 | 1.62 | 1.52 | 1.57 | 1.57 | -5.42% | 222,560 |
| Apr 29, 2026 | 1.57 | 1.72 | 1.52 | 1.66 | 1.66 | 7.10% | 842,473 |
| Apr 28, 2026 | 1.43 | 1.56 | 1.37 | 1.55 | 1.55 | 13.14% | 1,368,555 |
| 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 |