NASDAQ:ATRA

Atara Biotherapeutics Stock Price (Quote)

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$13.10
-0.660 (-4.80%)
At Close: Nov 17, 2025

Range Low Price High Price Comment
30 days $10.50 $16.15 Monday, 17th Nov 2025 ATRA stock ended at $13.10. This is 4.80% less than the trading day before Friday, 14th Nov 2025. During the day the stock fluctuated 7.43% from a day low at $12.78 to a day high of $13.73.
90 days $10.50 $16.72
52 weeks $5.01 $18.70

Historical Atara Biotherapeutics prices

Date Open High Low Close Volume
Nov 17, 2025 $13.65 $13.73 $12.78 $13.10 99 041
Nov 14, 2025 $13.19 $14.28 $13.19 $13.76 43 732
Nov 13, 2025 $12.45 $13.50 $12.43 $13.39 51 341
Nov 12, 2025 $12.36 $12.50 $11.21 $12.47 80 591
Nov 11, 2025 $12.24 $12.89 $12.05 $12.56 60 093
Nov 10, 2025 $11.99 $12.39 $11.99 $12.30 27 219
Nov 07, 2025 $10.86 $12.04 $10.53 $11.81 63 913
Nov 06, 2025 $10.76 $12.47 $10.56 $11.82 112 321
Nov 05, 2025 $12.40 $12.61 $10.50 $10.75 158 389
Nov 04, 2025 $13.62 $13.71 $12.13 $12.29 103 517
Nov 03, 2025 $14.90 $15.30 $13.70 $13.85 49 282
Oct 31, 2025 $13.99 $14.89 $13.99 $14.85 51 161
Oct 30, 2025 $14.06 $14.50 $13.30 $14.05 45 733
Oct 29, 2025 $15.43 $15.43 $13.87 $14.06 36 384
Oct 28, 2025 $15.58 $15.74 $15.05 $15.21 21 524
Oct 27, 2025 $14.75 $15.59 $14.63 $15.59 49 948
Oct 24, 2025 $14.38 $14.70 $14.14 $14.49 38 987
Oct 23, 2025 $14.66 $15.39 $14.05 $14.12 43 800
Oct 22, 2025 $15.71 $15.84 $14.61 $14.63 44 668
Oct 21, 2025 $16.04 $16.15 $15.02 $15.79 55 264
Oct 20, 2025 $15.08 $16.10 $14.95 $16.04 76 265
Oct 17, 2025 $15.09 $15.42 $14.58 $14.81 29 117
Oct 16, 2025 $15.42 $16.28 $14.91 $15.25 46 876
Oct 15, 2025 $15.09 $15.40 $14.61 $15.28 33 993
Oct 14, 2025 $14.63 $14.80 $14.01 $14.61 50 830

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use ATRA stock historical prices to predict future price movements?
Trend Analysis: Examine the ATRA stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the ATRA stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT ATARA BIOTHERAPEUTICS
Atara Biotherapeutics
Atara Biotherapeutics, Inc., an off-the-shelf T-cell immunotherapy company, develops treatments for patients with cancer, autoimmune, and viral diseases in the United States. It is developing tabelecleucel, a T-cell immunotherapy that is Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) driven post-transplant lymphoproliferative disease, as well as hematologic and solid tumors, including nasopharyngeal carcinoma. The company i...
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