ATN International, Inc. (ATNI) NASDAQ

Currency In USD

ATNI Historical Return

If you invested $1000 in ATN International, Inc. (ATNI) 10 years ago, it would be worth $566.31 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $758.95, while $1000 invested 1 year ago would be worth $2,025.38. This corresponds to total returns of -43.37%, -24.11%, 102.54%, respectively, with annualized returns of -5.52%, -5.37%, 102.54%.

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

ATNI Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	30.63	30.32	30.32	31	30.07	70,130
September 10, 2026	29.96	30.65	30.65	30.81	29.96	52,062
September 09, 2026	29.91	29.92	29.92	30.43	29.54	89,334
September 08, 2026	30.92	30.1	30.1	30.92	30.01	75,217
September 04, 2026	30.94	30.93	30.93	31.27	30.49	73,255
September 03, 2026	31	31.07	31.07	31.16	30.59	75,488
September 02, 2026	30.31	30.91	30.91	31.31	30.28	84,662
September 01, 2026	30.08	30.13	30.13	30.49	29.95	65,817
August 31, 2026	29.9	30.17	30.17	30.48	29.57	78,926
August 28, 2026	29.89	30.06	30.06	30.49	29.79	85,736
August 27, 2026	30.37	29.69	29.69	30.89	29.25	102,149
August 26, 2026	30.71	30.63	30.63	30.88	30.33	48,990
August 25, 2026	30.73	30.71	30.71	31.12	30.33	56,262
August 24, 2026	31	30.94	30.94	31.67	30.85	96,873
August 21, 2026	31.24	30.95	30.95	31.78	30.45	79,145
August 20, 2026	31.44	31.14	31.14	31.57	30.6	100,344
August 19, 2026	31.51	31.88	31.88	32.14	31.35	78,975
August 18, 2026	31.24	31.42	31.42	31.93	30.92	84,744
August 17, 2026	31.46	31.57	31.57	32.31	31.16	93,494
August 14, 2026	31.8	31.71	31.71	32.07	31.06	79,650
August 13, 2026	31.09	31.87	31.87	32.36	30.84	76,007
August 12, 2026	31.39	31.04	31.04	31.7	30.73	0
August 11, 2026	32.11	31.29	31.29	32.44	31.15	0
August 10, 2026	31.97	32.11	32.11	33.41	31.66	188,192
August 07, 2026	30.9	31.97	31.97	32.28	30.34	151,606
August 06, 2026	27.87	30.63	30.63	30.73	27.02	231,823
August 05, 2026	25.13	24.01	24.01	25.13	23.5	82,854
August 04, 2026	24.64	25.13	25.13	25.13	24.4	63,591
August 03, 2026	23.94	24.64	24.64	24.67	23.91	70,379
July 31, 2026	23.46	23.81	23.81	24.16	23.2	76,358
July 30, 2026	23.69	23.5	23.5	23.99	23.24	37,682
July 29, 2026	23.95	23.73	23.73	24.04	23.39	70,058
July 28, 2026	24.04	24.04	24.04	24.63	23.74	50,341
July 27, 2026	23.51	23.69	23.69	24.1	23.44	49,797
July 23, 2026	23.62	23.32	23.32	23.95	23.13	73,856
July 22, 2026	23.41	23.86	23.86	23.97	23.37	66,085
July 21, 2026	22.89	23.35	23.35	23.56	22.75	63,891
July 20, 2026	23.31	22.87	22.87	23.66	22.78	51,995
July 17, 2026	24.09	23.17	23.17	24.59	22.99	52,285
July 16, 2026	23.7	24.1	24.1	24.64	23.53	58,432
July 15, 2026	23.95	23.63	23.63	24.5	23.45	58,314
July 14, 2026	23.25	23.8	23.8	24.42	23.25	101,927
July 13, 2026	23.97	23.31	23.31	24.42	23.1	114,151
July 10, 2026	23.61	23.91	23.91	24.13	23.56	61,971
July 09, 2026	24.62	23.61	23.61	24.66	23.33	63,122
July 08, 2026	24.37	24.71	24.71	25.3	24.24	74,809
July 07, 2026	24.92	24.25	24.25	25.41	24	60,770
July 06, 2026	24.92	24.73	24.73	25.35	24.63	84,985
July 02, 2026	26.63	24.81	24.81	26.74	24.22	66,329
July 01, 2026	26.63	26.44	26.44	27.05	26.33	75,007
June 30, 2026	27.39	26.49	26.49	27.39	26.37	67,913
June 29, 2026	27.09	27.69	27.69	27.93	26.58	80,501
June 26, 2026	26.78	27.03	27.03	27.7	26.68	201,389
June 25, 2026	26.63	26.71	26.71	27.18	26.57	58,252
June 24, 2026	26.93	26.73	26.73	27.29	26.39	77,472
June 23, 2026	25.91	26.7	26.7	27.11	25.85	69,721
June 22, 2026	25.7	26.1	26.1	26.4	25.57	153,642
June 18, 2026	26.11	25.76	25.76	26.11	24.95	120,769
June 17, 2026	26.52	25.66	25.66	27.92	25.32	67,291
June 16, 2026	27.55	26.66	26.66	28.13	26.4	77,820