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Natural Alternatives International, Inc. (NAII) Stock Price History

Historical prices from 2011 to 2026

Current Price

$2.74

+0.02 (+0.74%)

All-Time High

$26.63

Jul 17, 1998

-89.7% from ATH

All-Time Low

$1.08

Oct 9, 2001

Avg Volume (50D)

24K

Daily average

52-Week Range$2.33 — $4.96

LowCurrent: $2.74High

Loading 10-year price history...

NAII Historical Performance

1 YearTotal Return

-4.2%

Price: -4.2%

3 YearsTotal Return

-64.6%

CAGR: -29.3%

Price: -64.6%

5 YearsTotal Return

-81.6%

CAGR: -28.7%

Price: -81.6%

YTD

-23.7%

Short-Term Returns

1D+0.7%

1W+2.6%

1M+2.2%

3M-17.0%

6M-7.4%

NAII Stock Price Trajectory (2011–2026)

As of May 8, 2026, Natural Alternatives International, Inc. (NAII) trades at $2.74, representing a -4.2% return over the past year. The stock has delivered a -81.6% total return over five years (-28.7% CAGR), reflecting challenging market conditions.

The stock reached its all-time high of $26.63 on July 17, 1998. From this peak, NAII has corrected -89.7%, currently trading 15% below its 200-day moving average, suggesting potential weakness.

When compared to Consumer Defensive sector peers NATR (+85.3% 1Y), MGPI (-39.6% 1Y), and USNA (-31.4% 1Y), NAII has underperformed the peer group average. Compare NAII vs NATR →

NAII Historical Price Data (2025–2026)

Showing 30 of 3,650 records

Loading full history…

Date	Open	High	Low	Close	Volume	Change %
2026-05-07	2.75	2.75	2.71	2.74	5K	+0.74%
2026-05-06	2.67	2.75	2.65	2.72	10K	+4.21%
2026-05-05	2.68	2.71	2.58	2.61	46K	-2.25%
2026-05-04	2.70	2.76	2.66	2.67	19K	-1.84%
2026-05-01	2.69	2.74	2.66	2.72	8K	+1.87%
2026-04-30	2.71	2.71	2.67	2.67	19K	0.00%
2026-04-29	2.67	2.78	2.67	2.67	6K	-0.37%
2026-04-28	2.80	2.83	2.67	2.68	18K	-1.11%
2026-04-27	2.76	2.82	2.71	2.71	62K	+1.31%
2026-04-24	2.73	2.73	2.63	2.67	13K	-3.08%
2026-04-23	2.72	2.83	2.72	2.76	40K	-1.43%
2026-04-22	2.79	2.80	2.73	2.80	36K	+3.32%
2026-04-21	2.75	2.85	2.68	2.71	6K	-1.81%
2026-04-20	2.70	2.77	2.70	2.76	27K	+3.56%
2026-04-17	2.71	2.77	2.67	2.67	5K	-0.93%
2026-04-16	2.66	2.70	2.60	2.69	7K	0.00%
2026-04-15	2.71	2.75	2.65	2.69	10K	-2.18%
2026-04-14	2.69	2.90	2.69	2.75	24K	+0.73%
2026-04-13	2.93	2.93	2.70	2.73	33K	-2.15%
2026-04-10	2.75	2.96	2.71	2.79	7K	-1.06%
2026-04-09	2.75	2.82	2.67	2.82	3K	+0.71%
2026-04-08	2.77	2.83	2.67	2.80	51K	+4.48%
2026-04-07	2.75	2.75	2.59	2.68	36K	0.00%
2026-04-06	2.69	2.89	2.67	2.68	5K	0.00%
2026-04-02	2.68	2.72	2.64	2.68	13K	0.00%
2026-04-01	2.63	2.68	2.60	2.68	15K	+1.90%
2026-03-31	2.69	2.69	2.60	2.63	19K	0.00%
2026-03-30	2.75	2.84	2.60	2.63	26K	-5.73%
2026-03-27	2.80	2.80	2.65	2.79	27K	+2.20%
2026-03-26	2.76	2.89	2.71	2.73	26K	-1.44%

NAII — Frequently Asked Questions

Quick answers to the most common questions about buying NAII stock.

How has NAII stock performed recently?

NAII declined -4.2% over the past year, below its 5-year annualized CAGR of -28.7%. The stock trades below its 200-day moving average, reflecting the downtrend.

What is NAII's all-time high price?

Natural Alternatives International, Inc. reached $26.63 on 1998-07-17. The 52-week high is $4.96. Current 1-year return of -4.2% places the stock further from historical peaks.

Where can I download NAII historical price data?

This page provides NAII daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.

NAII Stock Price Trajectory (2011–2026)

When compared to Consumer Defensive sector peers NATR (+85.3% 1Y), MGPI (-39.6% 1Y), and USNA (-31.4% 1Y), NAII has underperformed the peer group average. Compare NAII vs NATR →

Date

Open

High

Low

Volume

Change %

2026-05-07

2.75

2.71

2.74

+0.74%

2026-05-06

2.67

2.75

2.65

2.72

10K

+4.21%

2026-05-05

2.68

2.71

2.58

2.61

46K

-2.25%

2026-05-04

2.70

2.76

2.66

2.67

19K

-1.84%

2026-05-01

2.69

2.74

2.66

2.72

+1.87%

2026-04-30

2.71

2.67

19K

0.00%

2026-04-29

2.67

2.78

2.67

-0.37%

2026-04-28

2.80

2.83

2.67

2.68

18K

-1.11%

2026-04-27

2.76

2.82

2.71

62K

+1.31%

2026-04-24

2.73

2.63

2.67

13K

-3.08%

2026-04-23

2.72

2.83

2.72

2.76

40K

-1.43%

2026-04-22

2.79

2.80

2.73

2.80

36K

+3.32%

2026-04-21

2.75

2.85

2.68

2.71

-1.81%

2026-04-20

2.70

2.77

2.70

2.76

27K

+3.56%

2026-04-17

2.71

2.77

2.67

-0.93%

2026-04-16

2.66

2.70

2.60

2.69

0.00%

2026-04-15

2.71

2.75

2.65

2.69

10K

-2.18%

2026-04-14

2.69

2.90

2.69

2.75

24K

+0.73%

2026-04-13

2.93

2.70

2.73

33K

-2.15%

2026-04-10

2.75

2.96

2.71

2.79

-1.06%

2026-04-09

2.75

2.82

2.67

2.82

+0.71%

2026-04-08

2.77

2.83

2.67

2.80

51K

+4.48%

2026-04-07

2.75

2.59

2.68

36K

0.00%

2026-04-06

2.69

2.89

2.67

2.68

0.00%

2026-04-02

2.68

2.72

2.64

2.68

13K

0.00%

2026-04-01

2.63

2.68

2.60

2.68

15K

+1.90%

2026-03-31

2.69

2.60

2.63

19K

0.00%

2026-03-30

2.75

2.84

2.60

2.63

26K

-5.73%

2026-03-27

2.80

2.65

2.79

27K

+2.20%

2026-03-26

2.76

2.89

2.71

2.73

26K

-1.44%

Natural Alternatives International, Inc. (NAII) Stock Price History

NAII Historical Performance

Short-Term Returns

Download Historical Data

NAII Stock Price Trajectory (2011–2026)

NAII Historical Price Data (2025–2026)

See NAII's True Return

Is NAII Undervalued?

Compare NAII vs WMT

Natural Alternatives International, Inc. (NAII) Stock Price History

NAII Historical Performance

Short-Term Returns

Download Historical Data

NAII Stock Price Trajectory (2011–2026)

NAII Historical Price Data (2025–2026)

See NAII's True Return

Is NAII Undervalued?

Compare NAII vs WMT