BIIB Forecast — Price Prediction for 2025. Should I Buy BIIB?
1-Day-Price-Prediction
+1.31%
1-Week Prediction
+5.3%
1-Month Prediction
+18.93%
2026 Prediction
-27.07%
2030 Prediction
-16.81%
Based on our advanced algorithm, we have generated comprehensiveBIIB stock price predictions for multiple time horizons. Our models indicate potential volatility in the short term, with specific targets calculated for the 1-day and 1-week outlooks.
Looking further ahead, our analysts have pinpointed significant trend shifts in the longer-term data. We have exclusive projections available for the 1-month forecast, a detailed 2026 projection, and a long-range 2030 forecast that reveals potential upside or downside risks.
Unlock the full analysis to access these precise price targets and see exactly where our models predict BIIB is heading. Stay informed and make strategic decisions with our premium data-driven insights!
Should I Buy Biogen 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. BIIB has several negative signals and is within a falling trend, so we believe it will perform weakly in the next couple of days or weeks. We therefore hold a negative evaluation of this stock. Our analysis conclusion for this stock is a Strong Sell candidate.
BIIB stock price ended at $186 on Thursday, after losing-0.49%
The Biogen Inc stock price decreased by -0.49% on the last trading day (08 Jan 2026), dropping from 187.02 to 186. Throughout the last trading session, the stock experienced a fluctuation of 2.33% , ranging from a day low of $183.5 to a day high of 187.77. The price has declined in 5 of the last 10 days, resulting in a total change of 6.40% during this period. On the last day, trading volume decrease by -500.23K shares, with the falling prices. This could serve as an early warning, indicating that risk may slightly increase in the coming days. In total, 1.62M shares were traded, amounting to approximately 300.44M.
BIIB Technical Signals
BIIB(Biogen Inc Corp) has 3 buy signals and 4 sell signals now. The current trend is an uptrend starting from 2026-01-05. The total price change during this trend is +6.51%. Recently, the price has dropped while volume droped, indicating a potential rebound signal. The average turnover of BIIB over the last 5 trading days is 313.95M. Overall, the technical indicator signals lean more toward a Neutral outlook in the mid-term.
BIIB Moving Average Analysis
Biogen Inc's overall moving average trend leans more bullish as of Thursday, January 8, 2026, with 0 negative signals and 4 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 $189.47, and $195.64. A break-up above any of these levels will issue buy signals. There will be some support from the lines at $169.49, and $163.32. A break-down below any of these levels will issue sell signals.
BIIB Short Selling Analysis
The short sale ratio of Biogen Inc(BIIB) as of 10 Dec 2025 is 21.58%, dropping from last trading day. With decreasing price from 175.84 to 177.55. The short sell activity indicate that short sellers may be experiencing short cover.
Technical Signal
Technical Signals Summary
Sell
4
Buy
3
Moving Average
Swing
Positive
Stock Price Above SMA_5
Short Term
Positive
SMA_5 Above SMA_20
Mid Term
Positive
SMA_20 Above SMA_60
Long Term
Positive
SMA_60 Above SMA_200
Short Selling
Close Price
Short Sale Ratio
Short Sale Volume
3 Bullish Signals
3 Bullish Signals
When Value satisfies Signal, Indicator signals Bullish
Indicators
Signal
Value
Meaning
Indicators
Signal
Value
Meaning
Awesome Oscillator (5, 34)
AO_5_34 > 0
3.509
Bullish
Momentum (10 days)
MOM_10 > 0
11.18
Bullish
Moving Average Convergence Divergence (12, 26, 9)
MACD_12_26_9 > 0
3.169
Bullish
4 Bearish Signals
4 Bearish Signals
When Value satisfies Signal, Indicator signals Bearish
Indicators
Signal
Value
Meaning
Indicators
Signal
Value
Meaning
Stochastic Oscillator %K (14, 3, 3)
STOCHk_14_3_3 > 80
95.826
Bearish
Commodity Channel Index (20 days, 0.015 constant)
CCI_20_0.015 > 100
251.429
Bearish
Stochastic RSI %K (14, 14, 3, 3)
STOCHRSIk_14_14_3_3 > 80
96.927
Bearish
Williams %R (14 days)
WILLR_14 > -20
-9.214
Bearish
BIIB Stock Forecast
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
Month
Min. Price
Avg. Price
Max. Price
Potential ROI
Jan 2026
$120.60
$136.31
$143.27
+6.89%
Feb 2026
$122.94
$134.82
$136.49
+5.72%
Mar 2026
$116.01
$148.01
$177.62
+16.06%
Apr 2026
$82.86
$108.92
$112.44
-14.59%
May 2026
$91.43
$108.92
$142.14
-14.59%
Jun 2026
$80.38
$110.57
$140.89
-13.30%
Jul 2026
$88.36
$108.92
$124.86
-14.59%
Aug 2026
$117.94
$148.01
$161.50
+16.06%
Sep 2026
$109.20
$121.41
$128.10
-4.80%
Oct 2026
$136.73
$148.01
$176.10
+16.06%
Nov 2026
$123.38
$140.16
$145.02
+9.90%
Dec 2026
$110.12
$110.77
$140.81
-13.14%
In 2026, Biogen Inc (BIIB) is anticipated to change hands in a trading channel between $80.38 and $177.62.
Biogen Inc Stock Forecast 2026
Jan 2026: BIIB Stock Forecast
Potential ROI: 6.89%
In Jan 2026, Biogen Inc's value is forecasted to reach an average price of $136.31. The price is predicted to fluctuate between a low of $120.60 and a high of $143.27.
Feb 2026: BIIB Stock Forecast
Potential ROI: 5.72%
In Feb 2026, Biogen Inc's value is forecasted to reach an average price of $134.82. The price is predicted to fluctuate between a low of $122.94 and a high of $136.49.
Mar 2026: BIIB Stock Forecast
Potential ROI: 16.06%
In Mar 2026, Biogen Inc's value is forecasted to reach an average price of $148.01. The price is predicted to fluctuate between a low of $116.01 and a high of $177.62.
Apr 2026: BIIB Stock Forecast
Potential ROI: -14.59%
In Apr 2026, Biogen Inc's value is forecasted to reach an average price of $108.92. The price is predicted to fluctuate between a low of $82.86 and a high of $112.44.
May 2026: BIIB Stock Forecast
Potential ROI: -14.59%
In May 2026, Biogen Inc's value is forecasted to reach an average price of $108.92. The price is predicted to fluctuate between a low of $91.43 and a high of $142.14.
Jun 2026: BIIB Stock Forecast
Potential ROI: -13.30%
In Jun 2026, Biogen Inc's value is forecasted to reach an average price of $110.57. The price is predicted to fluctuate between a low of $80.38 and a high of $140.89.
Jul 2026: BIIB Stock Forecast
Potential ROI: -14.59%
In Jul 2026, Biogen Inc's value is forecasted to reach an average price of $108.92. The price is predicted to fluctuate between a low of $88.36 and a high of $124.86.
Aug 2026: BIIB Stock Forecast
Potential ROI: 16.06%
In Aug 2026, Biogen Inc's value is forecasted to reach an average price of $148.01. The price is predicted to fluctuate between a low of $117.94 and a high of $161.50.
Sep 2026: BIIB Stock Forecast
Potential ROI: -4.80%
In Sep 2026, Biogen Inc's value is forecasted to reach an average price of $121.41. The price is predicted to fluctuate between a low of $109.20 and a high of $128.10.
Oct 2026: BIIB Stock Forecast
Potential ROI: 16.06%
In Oct 2026, Biogen Inc's value is forecasted to reach an average price of $148.01. The price is predicted to fluctuate between a low of $136.73 and a high of $176.10.
Nov 2026: BIIB Stock Forecast
Potential ROI: 9.90%
In Nov 2026, Biogen Inc's value is forecasted to reach an average price of $140.16. The price is predicted to fluctuate between a low of $123.38 and a high of $145.02.
Dec 2026: BIIB Stock Forecast
Potential ROI: -13.14%
In Dec 2026, Biogen Inc's value is forecasted to reach an average price of $110.77. The price is predicted to fluctuate between a low of $110.12 and a high of $140.81.
BIIB Price Prediction & Forecast by Similar Chart Analysis
Based on historical patterns and backtesting of stocks with similar movements to Biogen Inc(BIIB), our algorithm predicts BIIB's 1-month price at $177.82, with an 0%upwardshift. Using a similarity score up to 93.00%and other factors, This forecast updates weekly, adjusting for significant deviations.
Similar Chart
The price prediction chart for Biogen Inc (BIIB.O) stock, as of Sunday, January 4, 2026 , forecasts a 0% change over the next month, based on its high correlation with ARR.N stock patterns. The similarity between their price movements over the analyzed periods is 93%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.
BIIB
No data
ARR
Up: 0%Similarity: 93%
Name
Similarity
Up/Down
ARR.N
93.00%
0.00%
THC.N
91.37%
+32.94%
CMPR.O
90.90%
+2.45%
IMTX.O
90.53%
-9.21%
FRO.N
90.34%
+16.60%
FCEL.O
90.22%
+207.46%
PZZA.O
90.19%
+7.97%
KINS.O
90.17%
-2.61%
PIPR.N
90.11%
+7.05%
HUM.N
90.00%
+4.03%
BIIB Seasonality Analysis
Based on BIIB's historical stock price data across all years, the probability of a positive return in January is47.62%, suggesting it maynotbe an ideal month to invest in BIIB. In contrast,Novemberoffers the highest probability of positive returns at63.64%, 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 Biogen Inc (BIIB.O) stock in November has the highest probability of a positive return (63.64%), while February has the lowest probability (16.67%).
Performance Seasonality
The chart shows Biogen Inc. (BIIB)'s annual stock price return for the past three years, helping you analyze price trends and identify recurring trends on an annual basis.
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. BIIB has several negative signals and is within a falling trend, so we believe it will perform weakly in the next couple of days or weeks. We therefore hold a negative evaluation of this stock. Our analysis conclusion for this stock is a Strong Sell candidate.
Which months have the highest win rate for buying Biogen Inc (BIIB.O) stock in a year?
The radar chart shows that buying Biogen Inc (BIIB.O) stock in November has the highest probability of a positive return (63.64%), while February has the lowest probability (16.67%).
How has Biogen Inc. (BIIB)'s stock price performed over the past three years?
BIIB's stock price fell by -42.88% in 2024,increased by 17.33% in 2025, and went up by 4.6%in 2026.
Is BIIB a buy based on overall technical signals summary?
BIIB has 3 buy signals and 4 sell signals now. Overall the technical rating for BIIB is Neutral . Note that market conditions change all the time. In addition to technical ratings, keep an eye on the Valuation Level of BIIB.
What is the trend of Biogen Inc (BIIB)'s moving average?
Biogen Inc's overall moving average trend leans more bullish as of January 08 2026, with 0 negative signals and 4 positive signal.
What is price prediction for BIIB stock next month?
The price prediction chart for Biogen Inc (BIIB.O) stock, as of January 04 2026, forecasts a 0% change over the next month, based on its high correlation with ARR stock patterns. The similarity between their price movements over the analyzed periods is 93%. The right panel lists other stocks with similar price patterns. This prediction is updated every week.
What is price prediction 2026 for Biogen Inc (BIIB) Stock?
In Dec 2026, Biogen Inc's value is forecasted to reach an average price of $110.77. The price is predicted to fluctuate between a low of $110.12 and a high of $140.81.
What is price prediction 2030 for Biogen Inc (BIIB) Stock?
In Dec 2030, Biogen Inc's value is forecasted to reach an average price of $151.39. The price is predicted to fluctuate between a low of $126.29 and a high of $153.41.
Positive
