ATRA Stock Price Prediction

Atara Biotherapeutics Inc

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11.820

+1.07(9.953%)1D

Should I Buy Atara Biotherapeutics Inc Stock?

Based on our evaluation of the five key dimensions—Technical Signals, Moving Average trends, Short Sell Data, Similar Chart Pattern Matching and Seasonality Analysis—we have identified the following insights. ATRA has several positive signals and is within a rising trend, so we believe it will perform strongly in the next couple of days or weeks. We therefore hold a positive evaluation of this stock. Our analysis conclusion for this stock is a Strong Buy candidate.

ATRA stock price ended at $11.82 on Thursday, after rising 9.95%

The Atara Biotherapeutics Inc stock price increased by 9.95% on the last trading day (06 Nov 2025), rising from 10.76 to 11.82. Throughout the last trading session, the stock experienced a fluctuation of 18.09% , ranging from a day low of $10.56 to a day high of 12.4699. The price has declined in 6 of the last 10 days, resulting in a total change of -16.29% during this period. On the last day, trading volume increase by -45.62K shares, with the rising prices. This could serve as an early warning, indicating that risk may slightly increase in the coming days. In total, 113.12K shares were traded, amounting to approximately 1.26M.

ATRA Technical Signals

ATRA(Atara Biotherapeutics Inc Corp) has 3 buy signals and 3 sell signals now. The current trend is a downtrend starting from 2025-11-03. The total price change during this trend is -14.66%. Recently, the price has increased while volume droped, indicating a potential warning signal. The average turnover of ATRA over the last 5 trading days is 1.16M. Overall, the technical indicator signals lean more toward a Neutral outlook in the mid-term.

ATRA Moving Average Analysis

Atara Biotherapeutics Inc's overall moving average trend leans more bearish as of Thursday, November 6, 2025, with 2 negative signals and 2 positive signal. In the mid-term, the SMA_20 being above the SMA_60 signals a strong bullish trend. There will be some resistance from the lines at $16.55, and $18.55. A break-up above any of these levels will issue buy signals. There will be some support from the lines at $10.07, and $8.07. A break-down below any of these levels will issue sell signals.

ATRA Short Selling Analysis

The short sale ratio of Atara Biotherapeutics Inc(ATRA) as of 04 Nov 2025 is 12.16%, dropping from last trading day. With decreasing price from 13.85 to 12.29. The short sell activity indicate that short sellers may be anticipating price hit a bottom.

Technical Signal

Technical Signals Summary

Neutral

Sell

Buy

Moving Average

Swing

Negative

Stock Price Below SMA_5

Short Term

Negative

SMA_5 Below SMA_20

Mid Term

Positive

SMA_20 Above SMA_60

Long Term

Negative

SMA_60 Below SMA_200

Short Selling

Close Price

Short Sale Ratio

Short Sale Volume

3 Bullish Signals

When Value satisfies Signal, Indicator signals Bullish

Indicators

Signal

Value

Meaning

Stochastic Oscillator %K (14, 3, 3)

STOCHk_14_3_3 < 20

10.548

Bullish

Commodity Channel Index (20 days, 0.015 constant)

CCI_20_0.015 < -100

-225.443

Bullish

Stochastic RSI %K (14, 14, 3, 3)

STOCHRSIk_14_14_3_3 < 20

7.36

Bullish

3 Bearish Signals

When Value satisfies Signal, Indicator signals Bearish

Indicators

Signal

Value

Meaning

Awesome Oscillator (5, 34)

AO_5_34 < 0

-1.327

Bearish

Momentum (10 days)

MOM_10 < 0

-2.3

Bearish

Moving Average Convergence Divergence (12, 26, 9)

MACD_12_26_9 < 0

-0.436

Bearish

ATRA Stock Forecast

2026

2027

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2029

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2032

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2034

2035

Month	Min. Price	Avg. Price	Max. Price	Potential ROI
Month	Min. Price	Avg. Price	Max. Price	Potential ROI
Jan 2026	$4.01	$13.37	$14.08	+66.68%
Feb 2026	$18.41	$22.00	$25.93	+174.37%
Mar 2026	$19.99	$21.89	$29.33	+172.91%
Apr 2026	$17.22	$17.39	$27.30	+116.81%
May 2026	$4.91	$13.37	$20.50	+66.68%
Jun 2026	$15.48	$22.61	$32.23	+181.90%
Jul 2026	$6.11	$16.52	$24.97	+105.96%
Aug 2026	$15.35	$19.66	$26.52	+145.15%
Sep 2026	$11.04	$13.37	$22.90	+66.68%
Oct 2026	$14.53	$22.10	$23.17	+175.59%
Nov 2026	$9.89	$14.45	$20.17	+80.14%
Dec 2026	$8.33	$15.01	$19.93	+87.21%

Unlock Free Stock Price Forecast

In 2026, Atara Biotherapeutics Inc (ATRA) is anticipated to change hands in a trading channel between $4.01 and $32.23.

Atara Biotherapeutics Inc Stock Forecast 2026

Jan 2026: ATRA Stock Forecast

Potential ROI: 66.68%

In Jan 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $13.37. The price is predicted to fluctuate between a low of $4.01 and a high of $14.08.

Feb 2026: ATRA Stock Forecast

Potential ROI: 174.37%

In Feb 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $22.00. The price is predicted to fluctuate between a low of $18.41 and a high of $25.93.

Mar 2026: ATRA Stock Forecast

Potential ROI: 172.91%

In Mar 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $21.89. The price is predicted to fluctuate between a low of $19.99 and a high of $29.33.

Apr 2026: ATRA Stock Forecast

Potential ROI: 116.81%

In Apr 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $17.39. The price is predicted to fluctuate between a low of $17.22 and a high of $27.30.

May 2026: ATRA Stock Forecast

Potential ROI: 66.68%

In May 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $13.37. The price is predicted to fluctuate between a low of $4.91 and a high of $20.50.

Jun 2026: ATRA Stock Forecast

Potential ROI: 181.90%

In Jun 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $22.61. The price is predicted to fluctuate between a low of $15.48 and a high of $32.23.

Jul 2026: ATRA Stock Forecast

Potential ROI: 105.96%

In Jul 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $16.52. The price is predicted to fluctuate between a low of $6.11 and a high of $24.97.

Aug 2026: ATRA Stock Forecast

Potential ROI: 145.15%

In Aug 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $19.66. The price is predicted to fluctuate between a low of $15.35 and a high of $26.52.

Sep 2026: ATRA Stock Forecast

Potential ROI: 66.68%

In Sep 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $13.37. The price is predicted to fluctuate between a low of $11.04 and a high of $22.90.

Oct 2026: ATRA Stock Forecast

Potential ROI: 175.59%

In Oct 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $22.10. The price is predicted to fluctuate between a low of $14.53 and a high of $23.17.

Nov 2026: ATRA Stock Forecast

Potential ROI: 80.14%

In Nov 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $14.45. The price is predicted to fluctuate between a low of $9.89 and a high of $20.17.

Dec 2026: ATRA Stock Forecast

Potential ROI: 87.21%

In Dec 2026, Atara Biotherapeutics Inc's value is forecasted to reach an average price of $15.01. The price is predicted to fluctuate between a low of $8.33 and a high of $19.93.

ATRA Price Prediction & Forecast by Similar Chart Analysis

Based on historical patterns and backtesting of stocks with similar movements to Atara Biotherapeutics Inc(ATRA), our algorithm predicts ATRA's 1-month price at $15.31, with an 5.68%upwardshift. Using a similarity score up to 96.87%and other factors, This forecast updates weekly, adjusting for significant deviations.

Similar Chart

The price prediction chart for Atara Biotherapeutics Inc (ATRA.O) stock, as of Sunday, October 26, 2025 , forecasts a 5.68% change over the next month, based on its high correlation with LNC.N stock patterns. The similarity between their price movements over the analyzed periods is 96.87%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.

ATRA

Future prediction

Up: 5.68%

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LNC

Up: 5.68%Similarity: 96.87%

Name

Similarity

Up/Down

LNC.N

96.87%

+5.68%

ASMB.O

96.38%

+0.15%

VRME.O

95.85%

+6.98%

BCSF.N

95.85%

+6.75%

BDTX.O

95.80%

+16.14%

STE.N

95.54%

+0.52%

FN.N

95.34%

+1.31%

RF.N

95.16%

+10.48%

PFG.O

95.16%

-6.42%

RNGR.N

95.11%

-1.53%

ATRA Seasonality Analysis

Based on ATRA's historical stock price data across all years, the probability of a positive return in November is72.73%, suggesting it maybe an ideal month to invest in ATRA. In contrast,Septemberoffers the highest probability of positive returns at72.73%, making it a potentially strong month for investment.

However, this is only a prediction based on one method, and a comprehensive assessment of the stock's future trend should consider additional factors. Our final stock price commentary incorporates three main evaluation dimensions: technical signals, Moving Average trends, and similar chart pattern matching, with the first two dimensions carrying the primary weight to ensure a more robust and accurate forecast.

Monthly Seasonality

The radar chart shows that buying Atara Biotherapeutics Inc (ATRA.O) stock in September has the highest probability of a positive return (72.73%), while April has the lowest probability (18.18%).

Performance Seasonality

The chart shows Atara Biotherapeutics Inc. (ATRA)'s annual stock price return for the past three years, helping you analyze price trends and identify recurring trends on an annual basis.