Tetra Tech Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 21, 2026	35.00	35.42	34.99	35.20	35.20	0.69%	545,166
Oct 20, 2026	34.69	35.08	34.59	34.96	34.96	0.95%	1,495,946
Oct 19, 2026	34.49	34.80	34.38	34.63	34.63	-0.26%	1,435,676
Oct 16, 2026	34.93	35.17	34.52	34.72	34.72	-0.17%	1,407,290
Oct 15, 2026	33.56	34.97	33.56	34.78	34.78	3.48%	2,312,763
Oct 14, 2026	33.63	34.03	33.29	33.61	33.61	0.21%	2,260,269
Oct 13, 2026	33.63	33.90	33.18	33.54	33.54	0.15%	1,609,994
Oct 12, 2026	33.45	33.87	33.41	33.49	33.49	0.45%	1,486,148
Oct 9, 2026	33.41	33.70	33.21	33.34	33.34	-0.21%	1,615,953
Oct 8, 2026	32.78	33.43	32.23	33.41	33.41	2.11%	1,519,072
Oct 7, 2026	33.17	33.31	32.02	32.72	32.72	-1.98%	1,906,233
Oct 6, 2026	33.33	33.58	33.15	33.38	33.38	0.15%	1,538,135
Oct 5, 2026	33.05	33.55	32.57	33.33	33.33	0.63%	2,818,418
Oct 2, 2026	33.78	33.93	32.95	33.12	33.12	-1.78%	1,913,024
Oct 1, 2026	33.06	33.87	32.92	33.72	33.72	2.34%	1,934,157
Sep 30, 2026	33.64	33.86	32.91	32.95	32.95	-2.23%	2,616,872
Sep 29, 2026	33.73	34.25	33.54	33.70	33.70	-0.56%	1,488,421
Sep 28, 2026	33.58	34.01	33.25	33.89	33.89	-0.06%	1,932,557
Sep 25, 2026	33.49	33.95	33.33	33.91	33.91	0.80%	2,047,451
Sep 24, 2026	34.75	36.00	33.62	33.64	33.64	-3.61%	2,017,621
Sep 23, 2026	35.43	35.81	34.54	34.90	34.90	-1.58%	3,076,898
Sep 22, 2026	35.97	36.33	35.22	35.46	35.46	-1.39%	2,303,342
Sep 21, 2026	35.81	36.19	35.60	35.96	35.96	0.77%	1,455,544
Sep 18, 2026	36.16	36.31	35.52	35.69	35.69	-1.18%	5,036,198
Sep 17, 2026	36.77	36.77	35.99	36.11	36.11	-0.99%	2,235,172
Sep 16, 2026	36.72	37.27	36.13	36.47	36.47	-0.68%	1,757,013
Sep 15, 2026	36.50	36.95	36.30	36.72	36.72	0.03%	1,575,153
Sep 14, 2026	36.60	37.15	36.32	36.71	36.71	0.60%	2,460,246
Sep 11, 2026	36.01	36.52	35.63	36.49	36.49	2.18%	1,686,299
Sep 10, 2026	35.76	36.39	35.42	35.71	35.71	0.56%	2,218,877
Sep 9, 2026	35.50	35.75	35.30	35.51	35.51	-0.36%	1,473,667
Sep 8, 2026	35.76	35.97	35.34	35.64	35.64	-0.75%	2,042,938
Sep 4, 2026	35.95	36.30	35.69	35.91	35.91	-1.05%	1,495,115
Sep 3, 2026	36.28	36.74	35.90	36.29	36.29	1.06%	1,395,856
Sep 2, 2026	35.65	36.08	35.44	35.91	35.91	0.48%	2,131,411
Sep 1, 2026	36.12	36.31	35.38	35.74	35.74	-1.11%	1,948,971
Aug 31, 2026	36.40	36.63	35.95	36.14	36.14	-1.09%	1,954,264
Aug 28, 2026	36.83	36.99	36.52	36.54	36.54	-0.27%	1,738,998
Aug 27, 2026	36.40	36.72	36.14	36.64	36.64	0.14%	1,867,446
Aug 26, 2026	36.78	37.37	36.49	36.59	36.59	-0.54%	2,055,358
Aug 25, 2026	36.66	37.01	36.38	36.79	36.79	-0.19%	2,665,503
Aug 24, 2026	37.06	37.59	36.82	36.86	36.86	-0.38%	4,249,698
Aug 21, 2026	36.70	37.44	36.39	37.00	37.00	1.18%	3,333,023
Aug 20, 2026	36.37	36.97	36.31	36.57	36.57	-0.08%	3,856,773
Aug 19, 2026	35.60	36.78	35.41	36.60	36.60	3.39%	4,643,066
Aug 18, 2026	36.07	36.37	35.34	35.40	35.40	-1.17%	2,659,570
Aug 17, 2026	36.24	36.49	35.68	35.82	35.82	-1.89%	2,043,926
Aug 14, 2026	36.40	36.74	36.09	36.51	36.51	0.22%	3,369,570
Aug 13, 2026	35.43	36.53	35.19	36.43	36.43	2.83%	2,702,570
Aug 12, 2026	35.34	35.56	34.51	35.50	35.43	0.34%	2,159,995