Atara Biotherapeutics, Inc. (ATRA) Stock Chart
ATRA 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
ATRA performance vs the market
Total return, dividends reinvestedATRA monthly returns
ATRA historical prices
ATRA dividends & splits
About the ATRA chart
Atara Biotherapeutics (ATRA) closed at $9.18 on October 16, 2026, down 49.3% so far this year. The stock is trading 16.5% above its 200-day moving average of $7.88, which technical analysts usually read as a long-term uptrend. Over the past year ATRA returned −39.8% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Atara Biotherapeutics, 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 ATRA stock overview.
ATRA chart FAQ
What is Atara Biotherapeutics's all-time high stock price?
The highest closing price for ATRA was $1,600.50 on April 23, 2015 (adjusted for stock splits). As of the October 16, 2026 close it traded 99.4% below that level.
What is the 52-week range of ATRA stock?
Over the 52 weeks to October 16, 2026, ATRA traded between an intraday low of $3.92 on February 23, 2026 and an intraday high of $19.14 on January 5, 2026.
Is ATRA above its 200-day moving average?
Yes. On October 16, 2026 ATRA closed at $9.18, 16.5% above its 200-day simple moving average of $7.88. The 50-day average was $9.21.
How has ATRA stock performed compared with the S&P 500?
Including reinvested dividends, ATRA returned −39.8% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were −97.6% and +83.0%.
Does Atara Biotherapeutics pay a dividend?
Atara Biotherapeutics has not paid a dividend in the past 12 months.
Has ATRA stock ever split?
ATRA has split its stock 1 time: 1:25 (June 20, 2024). Prices on this chart are adjusted for all splits.
How do I read the ATRA 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 ATRA against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.