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BIIB

Biogen

Health Care · ·

$206.28

$0.35 (-0.2%)

Market Cap

$30.45B

Day Range

$202.03 - $209.03

52-Week Range

$127.00 - $219.72

Beta

Next Earnings

28.10.2026

BIIB is a stock from the Healthcare sectorPharmaceuticals, biotech, medical devices, and health insurance — less sensitive to economic cycles, but exposed to regulation and FDA approvals.

🏢 Similar Stocks in the Same Sector

+61.5% (1Y)

Investor Score
61/ 100C+
🟡 Moderate

This score and all analysis on this page are for informational and educational purposes only and do not constitute investment advice. Read the full disclaimer

📈80A-Technical
💰61C+Fundamental
🚀34FGrowth
💎38FValuation
📰100A+News
🏦47D+Quality
⚠️62C+Risk

Weighted: Technical 25% · Fundamental 20% · Growth 15% · Valuation 15% · News 10% · Quality 10% · Risk 5%

🔍 Cross-Check

Overall Score

🟡 Mixed

Technical Trend

🟢 Bullish

Insiders

🔴 Bearish

✅ Why is the score relatively high?

  • 🟢 Debt/equity: 0.34
  • 🟢 Current ratio: 2.68
  • 🟢 Price is above the 50-day average
  • 🟢 Price is above the 200-day average
  • 🟢 MACD histogram is positive — rising momentum

⚠️ What's concerning?

  • 🔴 Estimated fair value: $180.81 vs. price $206.28 (-12.3%)
  • 🔴 Operating margin is eroding over time
  • 🔴 Earnings per share (EPS) growth: -21.4%
  • 🔴 Free cash flow growth: -24.7%
  • 🔴 Net income growth: -20.8%

🚦 Quality & Risk Checks

🔴 Operating margin stability🟢 Conservative leverage🟡 Daily volatility (ATR)🟢 Leverage risk🟢 Liquidity risk

📰 News Trend

Based on real financial news (Finnhub)
🟢 Positive

Everyone's writing about Biogen. News trend score: 100. Reason: 10 of the last 20 articles are positive, versus 1 negative.

News trend analysis is based on article sentiment only, and is not investment advice or financial counsel. Read the full disclaimer

📈 Technical Analysis

Based on the last 251 trading days, calculated from real price data. Click an indicator for details and a chart.

🟢 Most indicators support an uptrend (7 bullish · 1 bearish · 3 neutral)

Conclusions

  • 🟢Price vs. SMA 50Price is above the 50-day average
  • 🟢Price vs. SMA 200Price is above the 200-day average
  • 🟢MACDMACD histogram is positive — rising momentum
  • 🟢RSIRSI 52.6 — healthy positive momentum
  • 🟡Stochastic%K 43.2 — neutral range
  • 🟡ADX (trend strength)ADX 17.5 — weak trend/choppy
  • 🔴Volume trendVolume is falling despite the price advance — possible weakening
  • 🟢Relative strength vs. S&P 500+3.4% over the last 3 months relative to the index
  • 🟢ROC (rate of change)ROC 12 days: 1.5%
  • 🟢Parabolic SARPrice is above the SAR point — uptrend
  • 🟡CMF (money flow)CMF 20 days: 0.03

Wyckoff Method Analysis

A market-structure read based purely on real price and volume data — not full classic Wyckoff schematic identification (Phase A-E), but a quantitative analysis of what can reliably be computed: trading ranges, "effort vs. result", volume within the range, and Spring/Upthrust detection.

Markup

The stock is in a clear uptrend with no defined trading range in the period examined.

High confidence

Evidence Behind This Read

  • 🟢Rising price trendA 4.7% change over the last 50 days, with no defined trading range.

The Wyckoff Method, developed by Richard Wyckoff in the early 20th century, reads the balance of supply and demand through price and volume, based on the premise that large investors ("smart money") quietly accumulate shares before rallies and quietly distribute them before declines. The read here is based solely on real price and volume data — full, precise identification of classic Wyckoff patterns (such as Phases A-E) requires human chart-reading experience and judgment, so this is an approximate algorithmic read, not a substitute for professional analysis. This should not be considered investment advice.

🎯 Trade Planning (M.A.E.E Framework)

Based on a mechanical trading method: market structure → value zone → ATR-based exit point. Not investment advice — a calculation tool only.

1️⃣ Market Structure

🟢 Uptrend

The price is above the 200-day average — per the market-structure method, this environment mainly favors looking for buying (Long) opportunities.

2️⃣ Value Zone

🟢 Price in value zone

The price is close to the 50-day moving average — per the method, this is a reasonable area to look for an entry, rather than chasing the price far from it.

3️⃣ Suggested Exit Point (ATR-based)

Method formula: Stop-loss = support minusone ATR margin — this way the stop adapts to the stock's actual volatility, rather than an arbitrary number.

Entry

$206.28

Stop-Loss

$177.26

Risk per Share

$29.02

Direction

Long

Profit Targets by Risk/Reward Ratio (R)

1:2 R

$264.31

1:3 R

$293.33

1:5 R

$351.37

💰 Position Size Calculator

A core principle of the method: never risk a fixed dollar amount — risk a fixed percentage of equity, and let the position size vary according to the risk per share.

Suggested Position Size

3 sh.

💰 Financial Health

Profitability

Gross Margin

75.7%

Operating Margin

Net Margin

13.1%

EBITDA Margin

Efficiency

ROE

7.1%

ROA

4.4%

ROIC

EPS

$8.83

Balance Sheet

Cash

$3.01B

Total Debt

$6.29B

Current Ratio

2.68

Debt/Equity

0.34

Conclusions

  • 🟢Gross marginGross margin: 75.7% — strong
  • 🟡Net marginNet margin: 13.1% — reasonable
  • 🔴Return on equity (ROE)Return on equity (ROE): 7.1% — weak
  • 🔴Return on assets (ROA)Return on assets (ROA): 4.4% — weak
  • 🟢Current ratio (liquidity)Current ratio: 2.68
  • 🟢Debt-to-equityDebt/equity: 0.34

🚀 Growth

Revenue

Earnings per Share (EPS)

Net Income

Free Cash Flow (FCF)

Conclusions

  • 🟡Revenue growth (last year)Revenue growth (last year): 2.2%
  • 🔴Earnings per share (EPS) growthEarnings per share (EPS) growth: -21.4%
  • 🔴Free cash flow growthFree cash flow growth: -24.7%
  • 🔴Net income growthNet income growth: -20.8%

💎 Fair Value (Valuation)

Current Price

$206.28

Estimated Fair Value (DCF)

$180.81

Gap

-12.3%

🔴 Appears expensive relative to estimated value

Show all model (DCF) assumptions →

Year 1 Growth Rate

-0.9%

Discount Rate (WACC)

9.0%

Terminal Growth Rate

2.5%

Projection Years

5

YearGrowth RateProjected FCFPresent Value
1-0.9%$2.03B$1.86B
2-0.1%$2.03B$1.71B
30.8%$2.05B$1.58B
41.6%$2.08B$1.47B
52.5%$2.13B$1.39B

Base FCF (last actual year)

$2.05B

Terminal Value

$33.63B

Present Value of Terminal Value

$21.86B

Enterprise Value

$29.88B

Net Debt

$3.28B

Equity Value

$26.60B

*The DCF model is an estimate based on assumptions — not a guaranteed forecast. You can change the assumptions to examine different scenarios.

Book Value per Share

$124.11

Tangible Book Value per Share (Tangible NAV)

$17.59

Conclusions

  • 🔴DCF Fair ValueEstimated fair value: $180.81 vs. price $206.28 (-12.3%)
  • 🟡Tangible Net Asset Value (NAV)NAV per share: $17.59
  • 🟡P/EP/E: 23.5

🕴️ Insider Trading

Real transactions by officers and insiders, as reported to the SEC on Form 4 — 0 purchases and 2 sales out of the last 25 filings.

NameTransaction TypeDateSharesChangePrice
Minor LloydOpen Market Sale4.8.20262,689-593$200.96
Minor LloydOpen Market Sale3.8.20263,282-593$203.34
SHERWIN STEPHEN AGrant/Award from Employer9.6.202615,193+1,505
HAWKINS WILLIAM AGrant/Award from Employer9.6.202610,365+1,505
Rowinsky Eric KGrant/Award from Employer9.6.202625,844+1,505
Freire Maria CGrant/Award from Employer9.6.20268,820+2,005
Mantas Jesus BGrant/Award from Employer9.6.202611,263+1,505
Patolawala Monish DGrant/Award from Employer9.6.20265,215+1,505
LANGER SUSANGrant/Award from Employer9.6.20266,634+1,505
Pangalos Menelas NExercise of Derivative Securities9.6.20262,370+2,370
Pangalos Menelas NGrant/Award from Employer9.6.20263,875+1,505
Pangalos Menelas NExercise of Derivative Securities9.6.20260-2,370
Minor LloydGrant/Award from Employer9.6.20263,875+1,505
Keeney AdamExercise of Derivative Securities1.5.20266,820+939
Keeney AdamTax Withholding in Shares1.5.20266,365-455$187.06
Keeney AdamExercise of Derivative Securities1.5.20260-939
Godbout SeanExercise of Derivative Securities1.4.20261,396+181
Godbout SeanTax Withholding in Shares1.4.20261,342-54$183.78
Godbout SeanExercise of Derivative Securities1.4.2026364-181
ALEXANDER SUSAN HGrant/Award from Employer13.2.20268,450+8,450
Gregory GingerGrant/Award from Employer13.2.20268,025+8,025
Kramer RobinGrant/Award from Employer13.2.20268,450+8,450
Singhal PriyaGrant/Award from Employer13.2.202610,560+10,560
Viehbacher ChristopherGrant/Award from Employer13.2.202638,015+38,015
Izzar RachidGrant/Award from Employer13.2.20267,390+7,390

📉 Short Interest

Official FINRA data — the number of shares open in short positions, plus daily short-sale activity.

Monthly Trend — Open Short Interest

+4.8%

5,999,133 shares short as of 2026-07-15 · vs. 5,723,194 on 2026-06-30

Official biweekly report (FINRA Rule 4560) — no real higher-frequency data exists for this metric.

Weekly Trend — Daily Short-Sale Activity

+1.4%

51.4% of trading volume this week was short selling, vs. 50.7% the prior week

Based on daily short-sale volume (Reg SHO) — a different metric from the open short interest above: this is daily trading volume, not an open position, so it updates weekly rather than biweekly.

📰 News & Sentiment

Sentiment based on basic keywords (not AI) — 10 positive, 9 neutral, 1 negative out of the last 20 articles.