Natural Alternatives International, Inc. (NAII) NASDAQ

Currency In USD

NAII Historical Return

If you invested $1000 in Natural Alternatives International, Inc. (NAII) 10 years ago, it would be worth $226.48 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 $179.84, while $1000 invested 1 year ago would be worth $744.74. This corresponds to total returns of -77.35%, -82.02%, -25.53%, respectively, with annualized returns of -13.79%, -29.03%, -25.53%.

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

NAII Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	2.65	2.48	2.48	2.65	2.47	56,096
June 18, 2026	2.56	2.67	2.67	2.71	2.51	246,829
June 17, 2026	2.46	2.51	2.51	2.62	2.46	9,292
June 16, 2026	2.6	2.5	2.5	2.67	2.48	76,128
June 15, 2026	2.55	2.52	2.52	2.66	2.5	46,431
June 12, 2026	2.48	2.46	2.46	2.68	2.46	32,462
June 11, 2026	2.51	2.48	2.48	2.62	2.48	13,018
June 10, 2026	2.53	2.51	2.51	2.68	2.5	4,728
June 09, 2026	2.55	2.51	2.51	2.58	2.48	7,296
June 08, 2026	2.5	2.52	2.52	2.67	2.5	14,219
June 05, 2026	2.5	2.5	2.5	2.51	2.48	7,416
June 04, 2026	2.65	2.53	2.53	2.65	2.46	29,576
June 03, 2026	2.44	2.51	2.51	2.53	2.44	9,434
June 02, 2026	2.6	2.52	2.52	2.6	2.51	13,977
June 01, 2026	2.51	2.52	2.52	2.68	2.48	15,062
May 29, 2026	2.65	2.54	2.54	2.67	2.53	20,672
May 28, 2026	2.65	2.64	2.64	2.65	2.55	8,197
May 27, 2026	2.64	2.63	2.63	2.75	2.52	16,201
May 26, 2026	2.56	2.55	2.55	2.65	2.47	27,782
May 22, 2026	2.56	2.55	2.55	2.56	2.51	15,970
May 21, 2026	2.55	2.57	2.57	2.63	2.55	9,459
May 20, 2026	2.53	2.59	2.59	2.62	2.5	10,036
May 19, 2026	2.5	2.56	2.56	2.59	2.42	45,443
May 18, 2026	2.7	2.59	2.59	2.77	2.59	15,026
May 15, 2026	2.66	2.66	2.66	2.68	2.6	7,439
May 14, 2026	2.7	2.7	2.7	2.83	2.69	12,603
May 13, 2026	2.75	2.71	2.71	2.75	2.7	13,694
May 12, 2026	2.75	2.71	2.71	2.82	2.68	9,276
May 11, 2026	2.7	2.67	2.67	2.75	2.66	11,970
May 08, 2026	2.75	2.67	2.67	2.8	2.67	4,648
May 07, 2026	2.75	2.74	2.74	2.75	2.69	5,228
May 06, 2026	2.7	2.72	2.72	2.75	2.65	9,942
May 05, 2026	2.64	2.61	2.61	2.71	2.58	45,653
May 04, 2026	2.7	2.67	2.67	2.76	2.66	18,524
May 01, 2026	2.74	2.72	2.72	2.74	2.68	7,845
April 30, 2026	2.72	2.67	2.67	2.72	2.65	22,971
April 29, 2026	2.7	2.67	2.67	2.78	2.67	6,328
April 28, 2026	2.8	2.68	2.68	2.83	2.68	17,549
April 27, 2026	2.76	2.71	2.71	2.82	2.71	61,513
April 24, 2026	2.84	2.68	2.68	2.84	2.65	13,167
April 23, 2026	2.83	2.76	2.76	2.83	2.7	39,809
April 22, 2026	2.75	2.8	2.8	2.8	2.73	36,385
April 21, 2026	2.75	2.71	2.71	2.85	2.68	6,126
April 20, 2026	2.7	2.76	2.76	2.77	2.7	27,175
April 17, 2026	2.71	2.67	2.67	2.78	2.66	5,417
April 16, 2026	2.66	2.69	2.69	2.7	2.6	7,321
April 15, 2026	2.81	2.69	2.69	2.81	2.65	10,058
April 14, 2026	2.8	2.75	2.75	2.9	2.73	24,249
April 13, 2026	2.93	2.73	2.73	2.93	2.7	33,387
April 10, 2026	2.75	2.83	2.83	2.84	2.71	7,052
April 09, 2026	2.81	2.74	2.74	2.81	2.67	3,628
April 08, 2026	2.77	2.8	2.8	2.85	2.63	50,668
April 07, 2026	2.75	2.68	2.68	2.75	2.59	36,200
April 06, 2026	2.69	2.68	2.68	2.89	2.67	5,300
April 02, 2026	2.68	2.68	2.68	2.73	2.64	13,168
April 01, 2026	2.6	2.68	2.68	2.68	2.6	14,770
March 31, 2026	2.6	2.63	2.63	2.7	2.6	18,670
March 30, 2026	2.75	2.63	2.63	2.84	2.6	26,164
March 27, 2026	2.69	2.79	2.79	2.87	2.65	27,533
March 26, 2026	2.76	2.73	2.73	2.89	2.71	25,593