Natural Alternatives International, Inc. (NAII) Stock Chart
NAII price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
NAII performance vs the market
Total return, dividends reinvestedNAII monthly returns
NAII historical prices
NAII dividends & splits
About the NAII chart
Natural Alternatives International (NAII) closed at $1.15 on October 16, 2026, down 67.9% so far this year. The stock is trading 55.8% below its 200-day moving average of $2.60, which technical analysts usually read as a long-term downtrend. Over the past year NAII returned −57.2% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Natural Alternatives International, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the NAII stock overview.
NAII chart FAQ
What is Natural Alternatives International's all-time high stock price?
The highest closing price for NAII was $26.00 on July 17, 1998 (adjusted for stock splits). As of the October 16, 2026 close it traded 95.6% below that level.
What is the 52-week range of NAII stock?
Over the 52 weeks to October 16, 2026, NAII traded between an intraday low of $1.08 on October 14, 2026 and an intraday high of $4.96 on January 13, 2026.
Is NAII above its 200-day moving average?
No. On October 16, 2026 NAII closed at $1.15, 55.8% below its 200-day simple moving average of $2.60. The 50-day average was $1.83.
How has NAII stock performed compared with the S&P 500?
Including reinvested dividends, NAII returned −57.2% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were −91.5% and +83.0%.
Does Natural Alternatives International pay a dividend?
Natural Alternatives International has not paid a dividend in the past 12 months.
Has NAII stock ever split?
NAII has split its stock 1 time: 1:50 (January 5, 1990). Prices on this chart are adjusted for all splits.
How do I read the NAII chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots NAII against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.