Alphatec Holdings, Inc. (ATEC) Stock Chart

NASDAQ: ATECInteractive price chart with technical indicators, performance and price history.

ATEC 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

ATEC performance vs the market

Total return, dividends reinvested

ATEC monthly returns

ATEC historical prices

ATEC dividends & splits

About the ATEC chart

Alphatec (ATEC) closed at $10.46 on October 16, 2026, down 50.3% so far this year. The stock is trading 5.2% below its 200-day moving average of $11.04, which technical analysts usually read as a long-term downtrend. Over the past year ATEC returned −26.6% including dividends, behind the S&P 500 (+16.8%).

This page charts the full trading history of Alphatec Holdings, 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 ATEC stock overview.

ATEC chart FAQ

What is Alphatec's all-time high stock price?

The highest closing price for ATEC was $107.76 on June 2, 2006 (adjusted for stock splits). As of the October 16, 2026 close it traded 90.3% below that level.

What is the 52-week range of ATEC stock?

Over the 52 weeks to October 16, 2026, ATEC traded between an intraday low of $6.82 on May 11, 2026 and an intraday high of $23.29 on January 8, 2026.

Is ATEC above its 200-day moving average?

No. On October 16, 2026 ATEC closed at $10.46, 5.2% below its 200-day simple moving average of $11.04. The 50-day average was $9.92.

How has ATEC stock performed compared with the S&P 500?

Including reinvested dividends, ATEC returned −26.6% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were −14.2% and +83.0%.

Does Alphatec pay a dividend?

Alphatec has not paid a dividend in the past 12 months.

Has ATEC stock ever split?

ATEC has split its stock 1 time: 1:12 (August 25, 2016). Prices on this chart are adjusted for all splits.

How do I read the ATEC 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 ATEC against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.

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