Fuel Tech, Inc. (FTEK)
NASDAQ: FTEK · Real-Time Price · USD
3.050
-0.230 (-7.01%)
At close: Sep 17, 2025, 4:00 PM EDT
3.110
+0.060 (1.97%)
After-hours: Sep 17, 2025, 7:32 PM EDT
Fuel Tech Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 17, 2025 | 3.27 | 3.29 | 2.99 | 3.05 | 3.05 | -7.01% | 487,092 |
| Sep 16, 2025 | 3.55 | 3.55 | 3.16 | 3.28 | 3.28 | -7.61% | 643,856 |
| Sep 15, 2025 | 3.64 | 3.64 | 3.40 | 3.55 | 3.55 | -2.20% | 346,843 |
| Sep 12, 2025 | 3.42 | 3.65 | 3.41 | 3.63 | 3.63 | 7.08% | 799,471 |
| Sep 11, 2025 | 3.22 | 3.42 | 3.04 | 3.39 | 3.39 | 6.60% | 575,042 |
| Sep 10, 2025 | 2.97 | 3.29 | 2.94 | 3.18 | 3.18 | 7.07% | 486,977 |
| Sep 9, 2025 | 2.86 | 3.04 | 2.86 | 2.97 | 2.97 | 3.48% | 413,585 |
| Sep 8, 2025 | 2.88 | 2.95 | 2.84 | 2.87 | 2.87 | - | 153,537 |
| Sep 5, 2025 | 2.95 | 2.97 | 2.71 | 2.87 | 2.87 | -0.69% | 290,564 |
| Sep 4, 2025 | 2.87 | 2.90 | 2.78 | 2.89 | 2.89 | 1.05% | 173,648 |
| Sep 3, 2025 | 2.88 | 2.91 | 2.78 | 2.86 | 2.86 | -1.04% | 137,934 |
| Sep 2, 2025 | 2.95 | 3.00 | 2.86 | 2.89 | 2.89 | -1.03% | 101,678 |
| Aug 29, 2025 | 3.00 | 3.03 | 2.88 | 2.92 | 2.92 | -2.67% | 183,480 |
| Aug 28, 2025 | 2.95 | 3.03 | 2.79 | 3.00 | 3.00 | 3.09% | 236,751 |
| Aug 27, 2025 | 3.19 | 3.25 | 2.88 | 2.91 | 2.91 | -7.32% | 361,971 |
| Aug 26, 2025 | 2.79 | 3.14 | 2.76 | 3.14 | 3.14 | 14.39% | 457,084 |
| Aug 25, 2025 | 2.76 | 2.85 | 2.68 | 2.75 | 2.75 | -0.90% | 205,121 |
| Aug 22, 2025 | 2.70 | 2.82 | 2.66 | 2.77 | 2.77 | 2.97% | 234,223 |
| Aug 21, 2025 | 2.61 | 2.74 | 2.55 | 2.69 | 2.69 | 1.89% | 52,133 |
| Aug 20, 2025 | 2.59 | 2.67 | 2.46 | 2.64 | 2.64 | 1.15% | 305,760 |
| Aug 19, 2025 | 2.81 | 2.94 | 2.58 | 2.61 | 2.61 | -7.12% | 296,340 |
| Aug 18, 2025 | 2.88 | 2.89 | 2.75 | 2.81 | 2.81 | -1.75% | 227,466 |
| Aug 15, 2025 | 2.83 | 2.89 | 2.73 | 2.86 | 2.86 | 0.35% | 178,775 |
| Aug 14, 2025 | 2.96 | 2.98 | 2.80 | 2.85 | 2.85 | -5.00% | 309,967 |
| Aug 13, 2025 | 3.05 | 3.11 | 2.92 | 3.00 | 3.00 | -1.64% | 260,454 |
| Aug 12, 2025 | 2.91 | 3.05 | 2.89 | 3.05 | 3.05 | 6.64% | 314,262 |
| Aug 11, 2025 | 3.00 | 3.01 | 2.80 | 2.86 | 2.86 | -4.67% | 375,270 |
| Aug 8, 2025 | 3.08 | 3.30 | 2.96 | 3.00 | 3.00 | -1.64% | 750,048 |
| Aug 7, 2025 | 2.98 | 3.38 | 2.78 | 3.05 | 3.05 | 3.74% | 1,094,807 |
| Aug 6, 2025 | 2.63 | 3.22 | 2.23 | 2.94 | 2.94 | -0.68% | 2,281,419 |
| Aug 5, 2025 | 2.85 | 3.03 | 2.72 | 2.96 | 2.96 | 5.71% | 690,072 |
| Aug 4, 2025 | 2.55 | 2.88 | 2.55 | 2.80 | 2.80 | 8.95% | 360,435 |
| Aug 1, 2025 | 2.59 | 2.60 | 2.49 | 2.57 | 2.57 | -3.02% | 157,761 |
| Jul 31, 2025 | 2.69 | 2.70 | 2.63 | 2.65 | 2.65 | -1.49% | 79,965 |
| Jul 30, 2025 | 2.63 | 2.75 | 2.63 | 2.69 | 2.69 | 2.28% | 101,939 |
| Jul 29, 2025 | 2.67 | 2.73 | 2.63 | 2.63 | 2.63 | -2.23% | 89,605 |
| Jul 28, 2025 | 2.84 | 2.84 | 2.59 | 2.69 | 2.69 | -5.28% | 359,804 |
| Jul 25, 2025 | 2.84 | 2.91 | 2.73 | 2.84 | 2.84 | 0.71% | 249,790 |
| Jul 24, 2025 | 2.81 | 2.95 | 2.73 | 2.82 | 2.82 | - | 305,187 |
| Jul 23, 2025 | 2.71 | 2.83 | 2.69 | 2.82 | 2.82 | 4.83% | 279,366 |
| Jul 22, 2025 | 2.62 | 2.70 | 2.45 | 2.69 | 2.69 | 1.51% | 312,533 |
| Jul 21, 2025 | 2.68 | 2.81 | 2.60 | 2.65 | 2.65 | -0.38% | 481,316 |
| Jul 18, 2025 | 2.48 | 2.69 | 2.46 | 2.66 | 2.66 | 6.40% | 372,515 |
| Jul 17, 2025 | 2.67 | 2.69 | 2.46 | 2.50 | 2.50 | -6.02% | 357,192 |
| Jul 16, 2025 | 2.48 | 2.79 | 2.48 | 2.66 | 2.66 | 7.26% | 392,062 |
| Jul 15, 2025 | 2.63 | 2.63 | 2.42 | 2.48 | 2.48 | -5.70% | 309,244 |
| Jul 14, 2025 | 2.60 | 2.65 | 2.48 | 2.63 | 2.63 | 1.15% | 384,821 |
| Jul 11, 2025 | 2.71 | 2.77 | 2.55 | 2.60 | 2.60 | -4.06% | 321,018 |
| Jul 10, 2025 | 2.69 | 2.80 | 2.64 | 2.71 | 2.71 | 1.12% | 279,491 |
| Jul 9, 2025 | 2.83 | 2.85 | 2.65 | 2.68 | 2.68 | -5.63% | 581,327 |