Fuel Tech Stock Price History
NASDAQ: FTEKIndustrialsPollution Control EquipmentUSD
1.65-0.005 (-0.30%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
FTEK price history at a glance
The price history for Fuel Tech (FTEK) on this page begins on September 6, 1993, when the stock closed at $8.25; it most recently closed at $1.65 on October 5, 2026. The highest price in this record is $38.20, reached on June 18, 2007; the latest close is 95.7% below that peak. Across the 32 complete calendar years in the table, FTEK finished higher in 11 and lower in 21. Its best year was 2020 (+326.4%) and its worst was 2021 (-63.9%).
Over roughly 33 years the share price changed -80.0%, a -4.7% compound annual price return (excluding dividends). In the last 12 months alone, FTEK has lost 46.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1993
- $38.20
- Date of high
- Jun 18, 2007
- Low since 1993
- $0.30
- Date of low
- Mar 23, 2020
- 52-week high
- $3.45
- 52-week low
- $1.17
- Last close
- $1.66
FTEK returns
1 week
-3.78%
1 month
+0.30%
3 months
-2.07%
6 months
+27.31%
Year to date
+6.09%
1 year
-46.27%
3 years
+49.10%
5 years
-3.78%
FTEK price return, excluding dividends.
FTEK annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 1.65 | -3.51% |
| 2025 | 1.71 | +66.02% |
| 2024 | 1.03 | -1.90% |
| 2023 | 1.05 | -17.32% |
| 2022 | 1.27 | -9.29% |
| 2021 | 1.40 | -63.92% |
| 2020 | 3.88 | +326.37% |
| 2019 | 0.91 | -28.35% |
| 2018 | 1.27 | +13.39% |
| 2017 | 1.12 | -2.61% |
| 2016 | 1.15 | -39.15% |
| 2015 | 1.89 | -49.33% |
| 2014 | 3.73 | -52.72% |
| 2013 | 7.89 | +75.33% |
| 2012 | 4.50 | -31.61% |
| 2011 | 6.58 | -32.23% |
| 2010 | 9.71 | +18.85% |
| 2009 | 8.17 | -29.39% |
| 2008 | 11.57 | -44.35% |
| 2007 | 20.79 | -15.63% |
| 2006 | 24.64 | +171.66% |
| 2005 | 9.07 | +94.22% |
| 2004 | 4.67 | +30.81% |
| 2003 | 3.57 | -17.55% |
| 2002 | 4.33 | -34.19% |
| 2001 | 6.58 | +289.93% |
| 2000 | 1.69 | -22.86% |
| 1999 | 2.19 | +9.38% |
| 1998 | 2.00 | +33.33% |
| 1997 | 1.50 | -22.58% |
| 1996 | 1.94 | -58.11% |
| 1995 | 4.63 | -19.57% |
| 1994 | 5.75 | -51.06% |
| 1993* | 11.75 | +42.42% |
* Partial year: the record begins after the start of 1993; return measured from the first available close.
2026 return is year to date.
FTEK daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 1.67 | 1.70 | 1.62 | 1.66 | -0.90% | |
| 1.68 | 1.69 | 1.61 | 1.67 | 0.00% | |
| 1.65 | 1.75 | 1.62 | 1.67 | +1.21% | |
| 1.64 | 1.71 | 1.62 | 1.65 | -0.60% | |
| 1.72 | 1.79 | 1.64 | 1.66 | -3.49% | |
| 1.63 | 1.73 | 1.63 | 1.72 | +6.17% | |
| 1.64 | 1.74 | 1.60 | 1.62 | -1.22% | |
| 1.66 | 1.73 | 1.60 | 1.64 | -0.61% | |
| 1.71 | 1.79 | 1.64 | 1.65 | -4.07% | |
| 1.70 | 1.80 | 1.69 | 1.72 | 0.00% | |
| 1.63 | 1.81 | 1.60 | 1.72 | +4.24% | |
| 1.76 | 1.78 | 1.65 | 1.65 | -6.78% | |
| 1.87 | 1.87 | 1.76 | 1.77 | -4.32% | |
| 1.78 | 1.89 | 1.77 | 1.85 | +5.11% | |
| 1.83 | 1.83 | 1.69 | 1.76 | -1.12% | |
| 1.79 | 1.82 | 1.75 | 1.78 | +1.71% | |
| 1.93 | 1.93 | 1.71 | 1.75 | -8.38% | |
| 1.77 | 1.96 | 1.77 | 1.91 | +9.14% | |
| 1.71 | 1.78 | 1.64 | 1.75 | +1.16% | |
| 1.69 | 1.78 | 1.65 | 1.73 | +6.13% | |
| 1.70 | 1.70 | 1.60 | 1.63 | -5.23% | |
| 1.63 | 1.73 | 1.60 | 1.72 | +4.24% | |
| 1.55 | 1.68 | 1.54 | 1.65 | +6.45% | |
| 1.42 | 1.56 | 1.42 | 1.55 | +8.39% | |
| 1.41 | 1.46 | 1.38 | 1.43 | +2.88% | |
| 1.36 | 1.41 | 1.36 | 1.39 | +2.21% | |
| 1.41 | 1.43 | 1.35 | 1.36 | -4.23% | |
| 1.49 | 1.51 | 1.41 | 1.42 | -4.05% | |
| 1.47 | 1.55 | 1.46 | 1.48 | +1.37% | |
| 1.44 | 1.50 | 1.41 | 1.46 | +2.10% | |
| 1.40 | 1.45 | 1.38 | 1.43 | +3.62% | |
| 1.40 | 1.40 | 1.37 | 1.38 | 0.00% | |
| 1.38 | 1.40 | 1.37 | 1.38 | -0.72% | |
| 1.37 | 1.42 | 1.36 | 1.39 | +0.72% | |
| 1.40 | 1.40 | 1.37 | 1.38 | -1.43% | |
| 1.38 | 1.42 | 1.38 | 1.40 | -0.71% | |
| 1.43 | 1.44 | 1.41 | 1.41 | -2.08% | |
| 1.44 | 1.56 | 1.42 | 1.44 | -0.69% | |
| 1.45 | 1.49 | 1.44 | 1.45 | 0.00% | |
| 1.46 | 1.55 | 1.44 | 1.45 | -1.36% | |
| 1.40 | 1.50 | 1.40 | 1.47 | +5.00% | |
| 1.43 | 1.45 | 1.39 | 1.40 | +1.45% | |
| 1.41 | 1.46 | 1.37 | 1.38 | -1.43% | |
| 1.37 | 1.42 | 1.35 | 1.40 | +2.19% | |
| 1.43 | 1.46 | 1.37 | 1.37 | -5.52% | |
| 1.38 | 1.53 | 1.34 | 1.45 | -5.23% | |
| 1.51 | 1.58 | 1.51 | 1.53 | +2.00% | |
| 1.41 | 1.54 | 1.41 | 1.50 | +6.38% | |
| 1.45 | 1.49 | 1.41 | 1.41 | -2.08% | |
| 1.40 | 1.47 | 1.40 | 1.44 | +4.35% | |
| 1.45 | 1.46 | 1.37 | 1.38 | -4.83% | |
| 1.50 | 1.50 | 1.40 | 1.45 | -4.61% | |
| 1.55 | 1.60 | 1.49 | 1.52 | -1.94% | |
| 1.58 | 1.64 | 1.52 | 1.55 | -3.13% | |
| 1.50 | 1.66 | 1.50 | 1.60 | +3.23% | |
| 1.53 | 1.59 | 1.53 | 1.55 | +1.31% | |
| 1.49 | 1.55 | 1.47 | 1.53 | +3.38% | |
| 1.51 | 1.51 | 1.46 | 1.48 | -3.27% | |
| 1.52 | 1.55 | 1.50 | 1.53 | -1.29% | |
| 1.58 | 1.59 | 1.55 | 1.55 | -1.27% | |
| 1.64 | 1.66 | 1.51 | 1.57 | -1.88% | |
| 1.58 | 1.65 | 1.56 | 1.60 | +0.63% | |
| 1.69 | 1.73 | 1.59 | 1.59 | -5.36% | |
| 1.70 | 1.76 | 1.64 | 1.68 | -0.59% | |
| 1.77 | 1.77 | 1.69 | 1.69 | -3.98% | |
| 1.75 | 1.80 | 1.68 | 1.76 | -1.12% | |
| 1.84 | 1.86 | 1.78 | 1.78 | -3.78% | |
| 1.85 | 1.90 | 1.75 | 1.85 | -1.07% | |
| 2.08 | 2.08 | 1.75 | 1.87 | -10.10% | |
| 2.20 | 2.22 | 2.08 | 2.08 | -5.88% | |
| 2.06 | 2.28 | 2.06 | 2.21 | +7.28% | |
| 2.18 | 2.18 | 2.00 | 2.06 | -4.19% | |
| 1.87 | 2.16 | 1.87 | 2.15 | +12.57% | |
| 1.91 | 1.93 | 1.76 | 1.91 | -1.04% | |
| 1.97 | 2.09 | 1.92 | 1.93 | -3.02% | |
| 1.90 | 2.31 | 1.86 | 1.99 | 0.00% | |
| 1.56 | 2.35 | 1.56 | 1.99 | +29.22% | |
| 1.50 | 1.60 | 1.47 | 1.54 | +5.48% | |
| 1.33 | 1.50 | 1.31 | 1.46 | +11.45% | |
| 1.33 | 1.33 | 1.29 | 1.31 | 0.00% | |
| 1.34 | 1.34 | 1.29 | 1.31 | -2.24% | |
| 1.34 | 1.39 | 1.34 | 1.34 | 0.00% | |
| 1.29 | 1.36 | 1.29 | 1.34 | +3.08% | |
| 1.32 | 1.33 | 1.29 | 1.30 | -0.76% | |
| 1.34 | 1.36 | 1.29 | 1.31 | -2.96% | |
| 1.38 | 1.38 | 1.34 | 1.35 | -0.74% | |
| 1.45 | 1.45 | 1.35 | 1.36 | -6.85% | |
| 1.42 | 1.50 | 1.41 | 1.46 | +1.39% | |
| 1.46 | 1.47 | 1.42 | 1.44 | -2.04% | |
| 1.47 | 1.48 | 1.46 | 1.47 | -0.68% | |
| 1.50 | 1.50 | 1.45 | 1.48 | 0.00% | |
| 1.49 | 1.54 | 1.48 | 1.48 | -1.99% | |
| 1.53 | 1.54 | 1.48 | 1.51 | 0.00% | |
| 1.48 | 1.53 | 1.46 | 1.51 | +2.03% | |
| 1.50 | 1.52 | 1.47 | 1.48 | 0.00% | |
| 1.46 | 1.49 | 1.43 | 1.48 | +2.07% | |
| 1.45 | 1.47 | 1.43 | 1.45 | -0.68% | |
| 1.48 | 1.50 | 1.44 | 1.46 | -1.35% | |
| 1.44 | 1.49 | 1.41 | 1.48 | +2.07% | |
| 1.46 | 1.47 | 1.42 | 1.45 | -2.03% | |
| 1.44 | 1.48 | 1.43 | 1.48 | +2.07% | |
| 1.44 | 1.50 | 1.40 | 1.45 | +0.69% | |
| 1.44 | 1.50 | 1.40 | 1.44 | -1.37% | |
| 1.48 | 1.48 | 1.44 | 1.46 | -2.01% | |
| 1.50 | 1.50 | 1.44 | 1.49 | -1.97% | |
| 1.52 | 1.53 | 1.48 | 1.52 | -0.65% | |
| 1.39 | 1.53 | 1.38 | 1.53 | +10.87% | |
| 1.42 | 1.51 | 1.38 | 1.38 | -13.21% | |
| 1.62 | 1.64 | 1.58 | 1.59 | -2.45% | |
| 1.61 | 1.68 | 1.55 | 1.63 | +1.24% | |
| 1.56 | 1.62 | 1.56 | 1.61 | +2.55% | |
| 1.62 | 1.62 | 1.52 | 1.57 | -5.42% | |
| 1.57 | 1.72 | 1.52 | 1.66 | +7.10% | |
| 1.43 | 1.56 | 1.37 | 1.55 | +13.14% | |
| 1.38 | 1.41 | 1.36 | 1.37 | +1.48% | |
| 1.34 | 1.38 | 1.31 | 1.35 | +0.75% | |
| 1.34 | 1.36 | 1.31 | 1.34 | -0.74% | |
| 1.41 | 1.41 | 1.33 | 1.35 | -1.46% | |
| 1.38 | 1.41 | 1.36 | 1.37 | 0.00% | |
| 1.35 | 1.40 | 1.33 | 1.37 | +1.48% | |
| 1.38 | 1.40 | 1.35 | 1.35 | 0.00% | |
| 1.40 | 1.40 | 1.35 | 1.35 | -2.17% | |
| 1.33 | 1.40 | 1.32 | 1.38 | +4.55% | |
| 1.30 | 1.33 | 1.30 | 1.32 | +3.13% | |
| 1.26 | 1.30 | 1.24 | 1.28 | +0.79% | |
| 1.30 | 1.30 | 1.27 | 1.27 | -2.31% | |
| 1.27 | 1.32 | 1.25 | 1.30 | +0.78% | |
| 1.30 | 1.32 | 1.26 | 1.29 | +1.57% | |
| 1.22 | 1.27 | 1.22 | 1.27 | +3.25% | |
| 1.23 | 1.24 | 1.19 | 1.23 | +0.82% | |
| 1.24 | 1.24 | 1.20 | 1.22 | -3.17% | |
| 1.25 | 1.26 | 1.24 | 1.26 | +3.28% | |
| 1.20 | 1.23 | 1.18 | 1.22 | +2.52% | |
| 1.25 | 1.26 | 1.17 | 1.19 | -4.80% | |
| 1.25 | 1.26 | 1.24 | 1.25 | 0.00% | |
| 1.27 | 1.27 | 1.25 | 1.25 | -1.57% | |
| 1.26 | 1.30 | 1.26 | 1.27 | +0.79% | |
| 1.23 | 1.28 | 1.23 | 1.26 | +2.44% | |
| 1.24 | 1.27 | 1.22 | 1.23 | -0.81% | |
| 1.25 | 1.25 | 1.22 | 1.24 | 0.00% | |
| 1.23 | 1.27 | 1.22 | 1.24 | -0.80% | |
| 1.25 | 1.26 | 1.23 | 1.25 | -0.79% | |
| 1.26 | 1.29 | 1.25 | 1.26 | +0.80% | |
| 1.25 | 1.28 | 1.22 | 1.25 | 0.00% | |
| 1.27 | 1.28 | 1.22 | 1.25 | -1.57% | |
| 1.30 | 1.31 | 1.22 | 1.27 | -1.55% | |
| 1.28 | 1.31 | 1.26 | 1.29 | 0.00% | |
| 1.27 | 1.34 | 1.24 | 1.29 | +4.88% | |
| 1.17 | 1.26 | 1.17 | 1.23 | 0.00% | |
| 1.24 | 1.29 | 1.19 | 1.23 | -1.60% | |
| 1.26 | 1.36 | 1.24 | 1.25 | +0.81% | |
| 1.32 | 1.33 | 1.18 | 1.24 | -10.14% | |
| 1.49 | 1.53 | 1.38 | 1.38 | -7.38% | |
| 1.42 | 1.56 | 1.37 | 1.49 | +4.93% | |
| 1.39 | 1.46 | 1.35 | 1.42 | +1.43% | |
| 1.39 | 1.42 | 1.35 | 1.40 | -1.41% | |
| 1.36 | 1.45 | 1.33 | 1.42 | +6.77% | |
| 1.33 | 1.38 | 1.31 | 1.33 | -0.75% | |
| 1.42 | 1.46 | 1.34 | 1.34 | -7.59% | |
| 1.35 | 1.49 | 1.35 | 1.45 | +5.07% | |
| 1.38 | 1.42 | 1.32 | 1.38 | 0.00% | |
| 1.36 | 1.41 | 1.31 | 1.38 | +0.73% | |
| 1.27 | 1.39 | 1.27 | 1.37 | +8.73% | |
| 1.27 | 1.32 | 1.25 | 1.26 | -0.79% | |
| 1.33 | 1.33 | 1.25 | 1.27 | -4.51% | |
| 1.39 | 1.39 | 1.28 | 1.33 | -1.48% | |
| 1.41 | 1.44 | 1.34 | 1.35 | -3.57% | |
| 1.38 | 1.48 | 1.35 | 1.40 | +1.45% | |
| 1.32 | 1.43 | 1.31 | 1.38 | +9.52% | |
| 1.33 | 1.35 | 1.25 | 1.26 | -5.26% | |
| 1.40 | 1.40 | 1.32 | 1.33 | -5.00% | |
| 1.41 | 1.47 | 1.35 | 1.40 | -0.71% | |
| 1.38 | 1.44 | 1.33 | 1.41 | +3.68% | |
| 1.39 | 1.39 | 1.28 | 1.36 | -2.16% | |
| 1.36 | 1.41 | 1.30 | 1.39 | +2.96% | |
| 1.45 | 1.48 | 1.33 | 1.35 | -6.90% | |
| 1.43 | 1.47 | 1.35 | 1.45 | +3.57% | |
| 1.53 | 1.56 | 1.35 | 1.40 | -7.89% | |
| 1.56 | 1.57 | 1.52 | 1.52 | -4.40% | |
| 1.57 | 1.61 | 1.56 | 1.59 | +2.58% | |
| 1.55 | 1.62 | 1.50 | 1.55 | -0.64% | |
| 1.54 | 1.59 | 1.47 | 1.56 | +1.30% | |
| 1.62 | 1.65 | 1.52 | 1.54 | -3.75% | |
| 1.54 | 1.62 | 1.52 | 1.60 | +4.58% | |
| 1.54 | 1.56 | 1.50 | 1.53 | -1.29% | |
| 1.58 | 1.61 | 1.53 | 1.55 | -2.52% | |
| 1.56 | 1.64 | 1.56 | 1.59 | -1.24% | |
| 1.65 | 1.67 | 1.57 | 1.61 | -0.62% | |
| 1.62 | 1.66 | 1.59 | 1.62 | 0.00% | |
| 1.63 | 1.63 | 1.57 | 1.62 | 0.00% | |
| 1.68 | 1.70 | 1.58 | 1.62 | -4.14% | |
| 1.71 | 1.75 | 1.65 | 1.69 | -1.17% | |
| 1.60 | 1.75 | 1.57 | 1.71 | +9.62% | |
| 1.53 | 1.63 | 1.51 | 1.56 | +1.96% | |
| 1.50 | 1.60 | 1.41 | 1.53 | 0.00% | |
| 1.60 | 1.63 | 1.51 | 1.53 | -6.13% | |
| 1.61 | 1.63 | 1.57 | 1.63 | +1.24% | |
| 1.60 | 1.72 | 1.56 | 1.61 | 0.00% | |
| 1.65 | 1.68 | 1.59 | 1.61 | -4.17% | |
| 1.68 | 1.75 | 1.66 | 1.68 | +0.60% | |
| 1.58 | 1.76 | 1.58 | 1.67 | +5.70% | |
| 1.55 | 1.60 | 1.52 | 1.58 | +3.95% | |
| 1.56 | 1.63 | 1.50 | 1.52 | 0.00% | |
| 1.67 | 1.71 | 1.51 | 1.52 | -9.52% | |
| 1.74 | 1.77 | 1.65 | 1.68 | -2.33% | |
| 1.82 | 1.82 | 1.70 | 1.72 | -5.49% | |
| 1.79 | 1.85 | 1.77 | 1.82 | +1.11% | |
| 1.84 | 1.87 | 1.79 | 1.80 | -2.70% | |
| 1.78 | 1.88 | 1.76 | 1.85 | +2.78% | |
| 1.70 | 1.81 | 1.61 | 1.80 | +6.51% | |
| 1.85 | 1.86 | 1.67 | 1.69 | -5.59% | |
| 1.84 | 1.87 | 1.74 | 1.79 | -2.19% | |
| 1.75 | 1.83 | 1.70 | 1.83 | +3.39% | |
| 1.77 | 1.79 | 1.70 | 1.77 | +0.57% | |
| 1.80 | 1.84 | 1.74 | 1.76 | -2.22% | |
| 1.81 | 1.85 | 1.80 | 1.80 | -0.55% | |
| 1.84 | 1.88 | 1.80 | 1.81 | +1.12% | |
| 1.79 | 1.86 | 1.75 | 1.79 | +1.13% | |
| 1.73 | 1.80 | 1.62 | 1.77 | +3.51% | |
| 1.58 | 1.71 | 1.53 | 1.71 | +6.87% | |
| 1.73 | 1.78 | 1.59 | 1.60 | -6.98% | |
| 1.75 | 1.78 | 1.70 | 1.72 | -1.15% | |
| 1.74 | 1.85 | 1.72 | 1.74 | -2.79% | |
| 1.84 | 1.89 | 1.75 | 1.79 | -2.72% | |
| 1.80 | 1.94 | 1.78 | 1.84 | -1.08% | |
| 1.99 | 1.99 | 1.81 | 1.86 | -5.58% | |
| 2.04 | 2.15 | 1.96 | 1.97 | -4.83% | |
| 2.06 | 2.15 | 2.00 | 2.07 | 0.00% | |
| 2.13 | 2.23 | 2.06 | 2.07 | -1.90% | |
| 2.07 | 2.20 | 1.82 | 2.11 | -0.47% | |
| 2.31 | 2.40 | 2.06 | 2.12 | -3.64% | |
| 2.15 | 2.30 | 2.01 | 2.20 | -12.70% | |
| 2.58 | 2.61 | 2.46 | 2.52 | -4.55% | |
| 2.49 | 2.68 | 2.43 | 2.64 | +6.45% | |
| 2.55 | 2.60 | 2.42 | 2.48 | -3.13% | |
| 2.61 | 2.75 | 2.47 | 2.56 | -3.03% | |
| 2.68 | 2.70 | 2.57 | 2.64 | -2.94% | |
| 2.73 | 2.80 | 2.68 | 2.72 | -0.73% | |
| 2.82 | 2.92 | 2.71 | 2.74 | -2.49% | |
| 2.88 | 2.93 | 2.78 | 2.81 | -2.09% | |
| 2.89 | 2.93 | 2.77 | 2.87 | +0.70% | |
| 2.97 | 3.09 | 2.70 | 2.85 | -5.00% | |
| 3.09 | 3.20 | 2.98 | 3.00 | -3.23% | |
| 3.00 | 3.12 | 3.00 | 3.10 | +3.33% | |
| 3.11 | 3.19 | 2.97 | 3.00 | -5.96% | |
| 3.11 | 3.45 | 3.11 | 3.19 | +2.24% | |
| 3.16 | 3.16 | 3.01 | 3.12 | +1.30% | |
| 2.95 | 3.12 | 2.88 | 3.08 | +4.41% | |
| 2.80 | 3.00 | 2.72 | 2.95 | +4.98% | |
| 3.02 | 3.05 | 2.81 | 2.81 | -7.26% | |
| 3.08 | 3.17 | 2.95 | 3.03 | -1.62% | |
| 3.11 | 3.17 | 3.02 | 3.08 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the FTEK chart for longer ranges.