Fuel Tech, Inc. (FTEK) NASDAQ

Currency In USD

FTEK Historical Return

If you invested $1000 in Fuel Tech, Inc. (FTEK) 10 years ago, it would be worth $1,300.65 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $825.73, while $1000 invested 1 year ago would be worth $912.84. This corresponds to total returns of 30.07%, -17.43%, -8.72%, respectively, with annualized returns of 2.66%, -3.76%, -8.72%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

FTEK Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	1.56	1.99	1.99	2.35	1.56	7.69M
June 18, 2026	1.5	1.54	1.54	1.6	1.47	830,580
June 17, 2026	1.33	1.46	1.46	1.5	1.31	666,781
June 16, 2026	1.33	1.31	1.31	1.33	1.29	104,109
June 15, 2026	1.34	1.31	1.31	1.34	1.29	77,149
June 12, 2026	1.37	1.34	1.34	1.39	1.34	92,278
June 11, 2026	1.29	1.34	1.34	1.36	1.29	200,044
June 10, 2026	1.32	1.3	1.3	1.33	1.29	69,233
June 09, 2026	1.34	1.31	1.31	1.36	1.29	161,053
June 08, 2026	1.38	1.35	1.35	1.38	1.34	93,594
June 05, 2026	1.45	1.36	1.36	1.45	1.35	0
June 04, 2026	1.42	1.46	1.46	1.5	1.42	179,567
June 03, 2026	1.46	1.44	1.44	1.47	1.42	122,125
June 02, 2026	1.47	1.47	1.47	1.48	1.46	88,196
June 01, 2026	1.5	1.48	1.48	1.5	1.45	200,082
May 29, 2026	1.49	1.48	1.48	1.54	1.48	395,891
May 28, 2026	1.53	1.51	1.51	1.54	1.48	284,557
May 27, 2026	1.48	1.51	1.51	1.52	1.47	203,590
May 26, 2026	1.5	1.48	1.48	1.52	1.47	218,633
May 22, 2026	1.46	1.48	1.48	1.49	1.43	183,779
May 21, 2026	1.45	1.45	1.45	1.47	1.43	189,391
May 20, 2026	1.48	1.46	1.46	1.5	1.44	289,750
May 19, 2026	1.44	1.48	1.48	1.49	1.41	218,380
May 18, 2026	1.46	1.45	1.45	1.47	1.42	89,399
May 15, 2026	1.44	1.48	1.48	1.48	1.43	173,784
May 14, 2026	1.44	1.45	1.45	1.5	1.4	335,767
May 13, 2026	1.44	1.44	1.44	1.5	1.4	143,580
May 12, 2026	1.48	1.46	1.46	1.48	1.44	90,058
May 11, 2026	1.5	1.49	1.49	1.5	1.44	125,237
May 08, 2026	1.52	1.52	1.52	1.53	1.48	156,775
May 07, 2026	1.39	1.53	1.53	1.53	1.38	247,082
May 06, 2026	1.42	1.38	1.38	1.51	1.38	564,982
May 05, 2026	1.62	1.59	1.59	1.64	1.58	197,475
May 04, 2026	1.61	1.63	1.63	1.68	1.55	296,820
May 01, 2026	1.56	1.61	1.61	1.62	1.56	93,546
April 30, 2026	1.62	1.57	1.57	1.62	1.52	221,127
April 29, 2026	1.57	1.66	1.66	1.72	1.52	839,490
April 28, 2026	1.43	1.55	1.55	1.56	1.37	1.36M
April 27, 2026	1.38	1.37	1.37	1.41	1.36	115,091
April 24, 2026	1.34	1.35	1.35	1.38	1.31	188,943
April 23, 2026	1.34	1.34	1.34	1.36	1.31	47,337
April 22, 2026	1.41	1.35	1.35	1.41	1.33	135,510
April 21, 2026	1.38	1.37	1.37	1.41	1.36	86,746
April 20, 2026	1.35	1.37	1.37	1.4	1.33	91,212
April 17, 2026	1.38	1.35	1.35	1.4	1.35	90,917
April 16, 2026	1.4	1.35	1.35	1.4	1.35	34,563
April 15, 2026	1.33	1.38	1.38	1.4	1.32	165,185
April 14, 2026	1.3	1.32	1.32	1.33	1.3	252,299
April 13, 2026	1.26	1.28	1.28	1.3	1.24	184,366
April 10, 2026	1.3	1.27	1.27	1.3	1.27	59,953
April 09, 2026	1.27	1.3	1.3	1.32	1.25	99,757
April 08, 2026	1.3	1.29	1.29	1.32	1.26	205,482
April 07, 2026	1.22	1.27	1.27	1.27	1.22	149,000
April 06, 2026	1.23	1.23	1.23	1.24	1.19	112,599
April 02, 2026	1.24	1.22	1.22	1.24	1.2	26,085
April 01, 2026	1.25	1.26	1.26	1.26	1.24	81,683
March 31, 2026	1.2	1.22	1.22	1.23	1.18	149,846
March 30, 2026	1.25	1.19	1.19	1.25	1.17	232,837
March 27, 2026	1.25	1.25	1.25	1.26	1.24	117,190
March 26, 2026	1.27	1.25	1.25	1.27	1.25	45,009