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Fuel Tech, Inc. (FTEK) stock

FTEKNasdaqIndustrial & Commercial Fans & Blowers & Air Purifing EquipFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Nov 3, 2026Score 9/3037% below fair value
$1.31−0.05 (-3.68%)

Close on Nov 13, 2026Market cap $40.89MP/E –Yield –

Price history

Fuel Tech share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Nov 13, 2026
$1.31
-3.68% on the day
52-week range
$1.17 – $2.35
-44.3% from the high
Change over 52 weeks
-29.6%
From $1.86 on Nov 13, 2025
Average volume
149,246
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Nov 13, 2026$1.36$1.37$1.31$1.31-3.68%75,626
Nov 12, 2026$1.34$1.36$1.34$1.360.00%39,690
Nov 11, 2026$1.40$1.43$1.35$1.36-0.73%39,374
Nov 10, 2026$1.41$1.43$1.37$1.37-2.84%40,105
Nov 9, 2026$1.35$1.44$1.35$1.41+4.44%69,191
Nov 6, 2026$1.44$1.44$1.32$1.35+1.50%39,959
Nov 5, 2026$1.41$1.41$1.28$1.33-7.64%221,810
Nov 4, 2026$1.50$1.51$1.43$1.44+1.41%142,552
Nov 3, 2026$1.42$1.44$1.38$1.42-0.35%79,728
Nov 2, 2026$1.49$1.50$1.42$1.43-1.72%85,960
Oct 30, 2026$1.48$1.48$1.43$1.45-2.03%72,395
Oct 29, 2026$1.55$1.55$1.47$1.48-5.13%93,545
Oct 28, 2026$1.47$1.56$1.42$1.56+5.76%122,503
Oct 27, 2026$1.45$1.52$1.42$1.48+1.03%146,904
Oct 26, 2026$1.47$1.47$1.39$1.46+6.57%73,603
Oct 23, 2026$1.35$1.40$1.34$1.37+1.48%104,075
Oct 22, 2026$1.33$1.36$1.32$1.35-1.46%111,117
Oct 21, 2026$1.41$1.41$1.36$1.37-0.72%36,178
Oct 20, 2026$1.37$1.46$1.37$1.38+0.73%48,214
Oct 19, 2026$1.39$1.41$1.37$1.37-2.14%86,987
Oct 16, 2026$1.40$1.43$1.36$1.40-1.41%37,360
Oct 15, 2026$1.45$1.46$1.30$1.42-2.41%721,160
Oct 14, 2026$1.60$1.68$1.41$1.46-9.63%607,385
Oct 13, 2026$1.64$1.65$1.61$1.61-2.42%92,360
Oct 12, 2026$1.65$1.69$1.62$1.650.00%34,977
Oct 9, 2026$1.64$1.68$1.62$1.65-0.30%114,743
Oct 8, 2026$1.67$1.70$1.62$1.66-0.90%84,526
Oct 7, 2026$1.68$1.71$1.61$1.670.00%116,072
Oct 6, 2026$1.65$1.75$1.62$1.67+1.21%153,855
Oct 5, 2026$1.64$1.71$1.62$1.65-0.60%71,096

Seasonality

FTEK return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average2.6%-5.5%-0.8%5.9%5.3%9.2%-7.1%-0.3%4.7%-5.6%47.8%-3.0%
Months up6 of 104 of 105 of 105 of 104 of 104 of 104 of 105 of 108 of 102 of 106 of 102 of 9
2026-12.8%4.4%-14.1%28.7%-5.7%49.3%-36.2%0.7%14.1%-10.5%-9.7%
2025-6.2%0.5%6.1%-8.5%72.7%51.8%5.2%10.2%2.7%-17.3%-27.4%-13.3%
20241.9%1.9%11.0%4.1%-11.1%-4.5%-3.7%-2.9%5.0%-1.9%3.9%-1.9%
202323.9%-15.2%-4.5%-2.3%8.8%-2.6%-4.2%-14.2%8.3%-13.6%3.9%-0.9%
2022-15.0%5.0%16.0%-11.0%0.0%-3.9%4.8%8.5%-17.0%0.0%6.0%2.8%
202129.6%-30.0%-10.8%-27.4%-8.3%12.4%-17.4%-3.6%-7.0%18.4%-20.4%-14.6%
2020-13.1%-3.0%-49.9%25.6%47.8%13.0%4.8%-9.8%6.0%-15.6%519.7%-11.8%
20194.6%-1.2%35.8%57.5%-42.6%-7.3%-23.6%-17.7%12.0%3.4%-3.4%-3.5%
20181.8%-4.4%10.1%6.7%-10.2%-6.1%-9.3%20.4%10.2%-7.7%0.8%-1.7%
201711.3%-13.3%-8.1%-14.7%1.1%-10.2%8.8%5.0%13.0%-10.7%4.3%17.9%

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