Align Technology, Inc. (ALGN) NASDAQ

Currency In USD

ALGN Historical Return

If you invested $1000 in Align Technology, Inc. (ALGN) 10 years ago, it would be worth $1,721.93 as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $233.05, while $1000 invested 1 year ago would be worth $1,086.78. This corresponds to total returns of 72.19%, -76.7%, 8.68%, respectively, with annualized returns of 5.58%, -25.27%, 8.68%.

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

ALGN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	159.74	162.55	162.55	162.77	157.39	1.07M
August 20, 2026	162.52	158.94	158.94	164.64	157.34	836,736
August 19, 2026	170.02	163.04	163.04	173.67	162.62	928,612
August 18, 2026	171.57	167.91	167.91	172.37	167.78	744,723
August 17, 2026	179.05	171.16	171.16	181.33	170.16	916,435
August 14, 2026	176.73	181.31	181.31	182.2	176.72	959,951
August 13, 2026	175.61	176.2	176.2	176.49	172.85	541,440
August 12, 2026	172.96	174.02	174.02	174.74	169.46	634,628
August 11, 2026	174.67	172.96	172.96	178.46	172.8	549,727
August 10, 2026	173.02	176.04	176.04	176.49	172.7	631,140
August 07, 2026	169.15	173.66	173.66	173.84	165	869,858
August 06, 2026	173.43	169.08	169.08	174.09	168.67	654,335
August 05, 2026	170.89	174.83	174.83	175.54	170.89	1.02M
August 04, 2026	172.1	173.27	173.27	174.33	170.5	1.09M
August 03, 2026	171.41	172.89	172.89	175.48	171	998,550
July 31, 2026	170.81	169.16	169.16	171.75	164.74	1.61M
July 30, 2026	180.72	173.41	173.41	187.96	171.04	1.53M
July 29, 2026	175.6	180.08	180.08	184	174.41	1.64M
July 28, 2026	169.93	175.6	175.6	175.85	169.93	903,515
July 27, 2026	165.43	168.05	168.05	172.1	164.75	1.03M
July 24, 2026	168.5	167.02	167.02	170.51	165.97	845,881
July 23, 2026	169.28	168.24	168.24	171.31	165.67	815,133
July 22, 2026	178.78	172.46	172.46	178.78	172.21	511,849
July 21, 2026	175.05	177.5	177.5	179.3	173.01	683,053
July 20, 2026	177.08	175.05	175.05	177.99	174.05	1.06M
July 17, 2026	176.19	176.76	176.76	181.17	174.93	811,386
July 16, 2026	181.25	178.41	178.41	182.93	176.32	1.38M
July 15, 2026	178.23	181.26	181.26	184.6	178.23	603,655
July 14, 2026	181.54	178.46	178.46	182.44	175.14	417,033
July 13, 2026	180.14	180.59	180.59	184.62	179.78	485,589
July 10, 2026	179.61	179.45	179.45	181.22	175	619,362
July 09, 2026	174.42	178.17	178.17	180.29	173.7	1.08M
July 08, 2026	182.55	174.68	174.68	185.07	173.97	1.01M
July 07, 2026	189.61	185.22	185.22	190.97	183.79	870,219
July 06, 2026	183.72	188.39	188.39	188.6	179.37	982,591
July 02, 2026	183.11	184.52	184.52	186.52	181.53	1.34M
July 01, 2026	168.66	181.49	181.49	182.84	166.91	1.45M
June 30, 2026	172.8	168.66	168.66	173.43	166.27	1.31M
June 29, 2026	177.62	173.43	173.43	178.34	170.05	973,008
June 26, 2026	174.03	178.43	178.43	179.35	174.03	1.67M
June 25, 2026	172.99	175.71	175.71	176.7	171.54	836,162
June 24, 2026	170.34	170.9	170.9	174.37	165.5	1.49M
June 23, 2026	172.67	168.49	168.49	174.67	168.29	1.08M
June 22, 2026	178.5	173.76	173.76	180.55	173.48	1.25M
June 18, 2026	176.7	182.08	182.08	183.03	173.56	1.89M
June 17, 2026	179.36	173.53	173.53	185	172.16	843,558
June 16, 2026	178.27	179.52	179.52	181.22	177.75	635,195
June 15, 2026	177.88	178.26	178.26	182.59	177.21	1.08M
June 12, 2026	176.51	174.84	174.84	177.49	172.43	574,465
June 11, 2026	170.5	176.51	176.51	177.88	169.3	1.03M
June 10, 2026	177.73	170.5	170.5	179.21	169.99	1.15M
June 09, 2026	174.51	178.1	178.1	179.85	172.59	1.04M
June 08, 2026	167.55	172.05	172.05	173.29	167.08	955,259
June 05, 2026	168.29	167.74	167.74	171	166.4	452,160
June 04, 2026	164.9	168.29	168.29	168.42	164.07	891,140
June 03, 2026	166.27	161.71	161.71	167.12	160.7	952,524
June 02, 2026	169.77	166.69	166.69	173.47	165.99	900,498
June 01, 2026	172.4	169.77	169.77	173.4	169.3	853,036
May 29, 2026	173.79	174.95	174.95	177.66	171.92	1.15M
May 28, 2026	162.88	173.25	173.25	173.78	160.33	1.58M