NASDAQ:FTEK | Historical Stock Price | FUEL TECH, INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1993-09-07 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.38$0.94$2.34$5.80$14.38$35.671993-09-072026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2025

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2025-12-31$1.56$1.56186,100
2025-12-30$1.53$1.53364,900
2025-12-29$1.53$1.53279,300
2025-12-26$1.63$1.63109,100
2025-12-24$1.61$1.6183,200
2025-12-23$1.61$1.61195,700
2025-12-22$1.68$1.68168,800
2025-12-19$1.67$1.67167,500
2025-12-18$1.58$1.58387,800
2025-12-17$1.52$1.52162,300
2025-12-16$1.52$1.52287,800
2025-12-15$1.68$1.6881,200
2025-12-12$1.72$1.7275,000
2025-12-11$1.82$1.8247,200
2025-12-10$1.80$1.8087,800
2025-12-09$1.85$1.85106,700
2025-12-08$1.80$1.80357,100
2025-12-05$1.69$1.6984,600
2025-12-04$1.79$1.7949,200
2025-12-03$1.83$1.83129,900
2025-12-02$1.77$1.7763,300
2025-12-01$1.76$1.7663,800
2025-11-28$1.80$1.8025,100
2025-11-26$1.81$1.8149,900
2025-11-25$1.79$1.7950,500
2025-11-24$1.77$1.77195,300
2025-11-21$1.71$1.71479,200
2025-11-20$1.60$1.60269,700
2025-11-19$1.72$1.72140,100
2025-11-18$1.74$1.74174,300
2025-11-17$1.79$1.79228,400
2025-11-14$1.84$1.84188,900
2025-11-13$1.86$1.86464,300
2025-11-12$1.97$1.97238,800
2025-11-11$2.07$2.07222,800
2025-11-10$2.07$2.07241,000
2025-11-07$2.11$2.11521,200
2025-11-06$2.12$2.12381,800
2025-11-05$2.20$2.20645,700
2025-11-04$2.52$2.52315,900
2025-11-03$2.64$2.64335,700
2025-10-31$2.48$2.48167,000
2025-10-30$2.56$2.56155,500
2025-10-29$2.64$2.64219,700
2025-10-28$2.72$2.72103,300
2025-10-27$2.74$2.74154,600
2025-10-24$2.81$2.81154,000
2025-10-23$2.87$2.87112,500
2025-10-22$2.85$2.85355,800
2025-10-21$3.00$3.00122,100
2025-10-20$3.10$3.10109,600
2025-10-17$3.00$3.00137,000
2025-10-16$3.19$3.19421,600
2025-10-15$3.12$3.12186,700
2025-10-14$3.08$3.08194,200
2025-10-13$2.95$2.95313,900
2025-10-10$2.81$2.81243,700
2025-10-09$3.03$3.03187,200
2025-10-08$3.08$3.0886,200
2025-10-07$3.08$3.08249,900
2025-10-06$2.96$2.96142,800
2025-10-03$2.98$2.98368,000
2025-10-02$2.91$2.91269,800
2025-10-01$2.89$2.89192,400
2025-09-30$3.00$3.00308,700
2025-09-29$2.93$2.93213,800
2025-09-26$3.03$3.03149,000
2025-09-25$3.07$3.07211,100
2025-09-24$3.23$3.23337,900
2025-09-23$3.52$3.52460,300
2025-09-22$3.41$3.41545,400
2025-09-19$3.18$3.18183,300
2025-09-18$3.32$3.32490,000
2025-09-17$3.05$3.05486,900
2025-09-16$3.28$3.28643,900
2025-09-15$3.55$3.55346,800
2025-09-12$3.63$3.63799,500
2025-09-11$3.39$3.39575,000
2025-09-10$3.18$3.18487,000
2025-09-09$2.97$2.97413,600
2025-09-08$2.87$2.87153,500
2025-09-05$2.87$2.87290,600
2025-09-04$2.89$2.89173,600
2025-09-03$2.86$2.86138,000
2025-09-02$2.89$2.89101,600
2025-08-29$2.92$2.92183,400
2025-08-28$3.00$3.00236,800
2025-08-27$2.91$2.91362,000
2025-08-26$3.14$3.14457,100
2025-08-25$2.75$2.75205,100
2025-08-22$2.77$2.77234,200
2025-08-21$2.69$2.6952,100
2025-08-20$2.64$2.64305,800
2025-08-19$2.61$2.61296,300
2025-08-18$2.81$2.81227,500
2025-08-15$2.86$2.86178,700
2025-08-14$2.85$2.85309,900
2025-08-13$3.00$3.00260,500
2025-08-12$3.05$3.05314,000
2025-08-11$2.86$2.86375,300
2025-08-08$3.00$3.00750,000
2025-08-07$3.05$3.051,094,700
2025-08-06$2.94$2.942,281,400
2025-08-05$2.96$2.96690,100
2025-08-04$2.80$2.80360,400
2025-08-01$2.57$2.57157,800
2025-07-31$2.65$2.6579,900
2025-07-30$2.69$2.69101,800
2025-07-29$2.63$2.6389,400
2025-07-28$2.69$2.69359,800
2025-07-25$2.84$2.84249,800
2025-07-24$2.82$2.82305,000
2025-07-23$2.82$2.82279,400
2025-07-22$2.69$2.69312,500
2025-07-21$2.65$2.65481,300
2025-07-18$2.66$2.66372,500
2025-07-17$2.50$2.50357,200
2025-07-16$2.66$2.66391,700
2025-07-15$2.48$2.48309,200
2025-07-14$2.63$2.63384,800
2025-07-11$2.60$2.60321,000
2025-07-10$2.71$2.71278,700
2025-07-09$2.68$2.68581,200
2025-07-08$2.84$2.84371,500
2025-07-07$2.90$2.90611,800
2025-07-03$2.80$2.80486,400
2025-07-02$2.88$2.88996,100
2025-07-01$2.52$2.52454,200
2025-06-30$2.52$2.52636,700
2025-06-27$2.65$2.65372,300
2025-06-26$2.52$2.521,178,800
2025-06-25$2.76$2.761,751,900
2025-06-24$2.35$2.35800,500
2025-06-23$2.18$2.18484,100
2025-06-20$2.14$2.14665,800
2025-06-18$1.95$1.95127,500
2025-06-17$2.03$2.03143,000
2025-06-16$2.07$2.07286,400
2025-06-13$1.83$1.83108,800
2025-06-12$1.89$1.89270,400
2025-06-11$1.95$1.95179,700
2025-06-10$1.97$1.97250,100
2025-06-09$2.09$2.09639,900
2025-06-06$1.89$1.89611,900
2025-06-05$1.74$1.74142,700
2025-06-04$1.67$1.67305,500
2025-06-03$1.64$1.64158,400
2025-06-02$1.60$1.60297,600
2025-05-30$1.66$1.66248,900
2025-05-29$1.79$1.79291,800
2025-05-28$1.73$1.73297,100
2025-05-27$1.53$1.53552,400
2025-05-23$1.60$1.60375,700
2025-05-22$1.68$1.68344,900
2025-05-21$1.60$1.60729,800
2025-05-20$1.54$1.541,280,900
2025-05-19$1.48$1.484,028,200
2025-05-16$1.13$1.13152,900
2025-05-15$1.08$1.0850,000
2025-05-14$1.04$1.0464,400
2025-05-13$1.07$1.07180,400
2025-05-12$0.96$0.9661,400
2025-05-09$0.97$0.9740,300
2025-05-08$0.95$0.9530,300
2025-05-07$0.95$0.955,100
2025-05-06$0.94$0.949,200
2025-05-05$0.97$0.9710,200
2025-05-02$0.95$0.9524,100
2025-05-01$0.97$0.9739,400
2025-04-30$0.96$0.9617,300
2025-04-29$0.96$0.9628,600
2025-04-28$0.97$0.978,300
2025-04-25$0.97$0.9714,700
2025-04-24$0.97$0.978,000
2025-04-23$0.98$0.9812,100
2025-04-22$0.98$0.9820,100
2025-04-21$0.99$0.9930,100
2025-04-17$0.97$0.974,500
2025-04-16$0.99$0.999,300
2025-04-15$0.98$0.9815,200
2025-04-14$0.98$0.9827,000
2025-04-11$0.97$0.9728,400
2025-04-10$0.97$0.9731,800
2025-04-09$0.97$0.9761,600
2025-04-08$0.94$0.94105,200
2025-04-07$0.93$0.9334,100
2025-04-04$0.94$0.9428,000
2025-04-03$0.97$0.9732,700
2025-04-02$1.00$1.0043,800
2025-04-01$1.00$1.0046,700
2025-03-31$1.05$1.0529,500
2025-03-28$1.05$1.0563,900
2025-03-27$1.03$1.03219,900
2025-03-26$0.99$0.9914,600
2025-03-25$1.00$1.0011,600
2025-03-24$1.00$1.0047,200
2025-03-21$0.97$0.9717,400
2025-03-20$0.98$0.986,600
2025-03-19$0.97$0.9715,500
2025-03-18$0.97$0.9733,200
2025-03-17$0.97$0.9714,200
2025-03-14$0.98$0.9819,500
2025-03-13$0.98$0.9823,900
2025-03-12$0.97$0.9719,900
2025-03-11$0.98$0.9846,100
2025-03-10$0.96$0.96129,700
2025-03-07$1.00$1.0055,800
2025-03-06$1.00$1.0034,100
2025-03-05$1.02$1.02292,700
2025-03-04$0.97$0.9775,900
2025-03-03$0.97$0.9740,800
2025-02-28$0.99$0.9950,300
2025-02-27$0.98$0.9819,800
2025-02-26$0.98$0.9827,200
2025-02-25$0.99$0.99112,300
2025-02-24$1.01$1.01133,300
2025-02-21$1.03$1.03175,700
2025-02-20$1.02$1.02114,100
2025-02-19$1.05$1.05264,200
2025-02-18$1.09$1.09956,000
2025-02-14$0.93$0.9334,800
2025-02-13$0.94$0.94114,700
2025-02-12$0.92$0.9280,200
2025-02-11$0.93$0.93113,200
2025-02-10$0.94$0.94113,900
2025-02-07$0.95$0.95144,800
2025-02-06$0.96$0.96149,300
2025-02-05$0.96$0.96137,500
2025-02-04$0.98$0.9857,800
2025-02-03$0.98$0.9885,800
2025-01-31$0.99$0.9925,900
2025-01-30$1.00$1.0029,500
2025-01-29$0.98$0.9853,800
2025-01-28$0.99$0.9992,200
2025-01-27$1.00$1.0061,000
2025-01-24$1.01$1.0151,500
2025-01-23$1.00$1.00128,900
2025-01-22$1.00$1.0049,100
2025-01-21$1.00$1.00283,200
2025-01-17$1.04$1.04381,000
2025-01-16$1.01$1.0128,000
2025-01-15$0.99$0.9971,600
2025-01-14$0.99$0.99443,900
2025-01-13$1.02$1.02295,700
2025-01-10$1.01$1.0133,400
2025-01-08$1.02$1.0285,200
2025-01-07$1.02$1.0244,700
2025-01-06$1.05$1.0585,700
2025-01-03$1.03$1.03156,200
2025-01-02$1.04$1.0471,600