BIIB BUE Week ended 31 Jul 2026

Weekly Investor Report

Biogen Inc. · Healthcare · Drug Manufacturers - General

Open interactive chart View report data
Latest close 24,630 ARS
-1.2% latest week
Weekly setup

Mixed setup

The weekly trend is active. Price is 11.2% above the Trend Line and sits at 82.6% of its 52-week range. The latest completed week returned -1.2%, after a -9.0% four-week move. The latest news-sentiment score is 53/100.

Setup score 62 out of 100
Latest Close 24,630 ARS 31 Jul 2026
1W Return -1.2% latest completed week
4W Return -9.0% short-term follow-through
12W Return 11.6% quarterly tape
Trend Breadth 96.2% 50 of 52 weeks active
Volume Ratio 1.4x vs 13-week average
What is working
  • The trend backdrop is active with a 50-week active streak.
  • Price is above the Trend Line, keeping the weekly tape constructive.
  • Price is above Fair Value, showing premium demand versus the model.
  • Activity pressure is positive on the latest completed week.
What could go wrong
  • 2 reversal markers appear in the recent smart-money tape.
  • Latest weekly return ranks in the weaker part of its sector group.
What to watch next
  • Trend Line remains the key weekly regime level.
  • Activity pressure is the gauge to monitor for confirmation or fade.
  • A volume ratio above 1.5x would show stronger participation in the next move.
Price follow-through -1.2% Latest completed week; four-week move -9.0%. Indicator stack 98/60 Trend and activity pressure are weighted against the latest 12-week confirmation window. Trend backdrop Active The trend backdrop defines the current weekly regime. Patient Capital Quiet Activity-pressure buy-signal status for institutional accumulation timing. Next-Week Expectancy Positive 59.98% Historical one-week expectancy contributes to the evidence score when direction is confirmed. News sentiment 53/100 35 relevant articles in the latest sentiment read.
01 · Price action

Where price is—and whether the trend supports it

The weekly trend is active. Price is 11.2% above the Trend Line and sits at 82.6% of its 52-week range. The latest completed week returned -1.2%, after a -9.0% four-week move.

Study the full chart

52-week price path

Price vs Trend Line and Fair Value
Price Trend Line Fair Value
02 · Volume and demand

Is real participation confirming the move?

Latest weekly volume is 1.4x the 13-week average. Participation is around or above normal and provides reasonable confirmation.

26-week volume confirmation

Bar height shows volume; colour shows the weekly price direction
6 Feb 13 Feb 20 Feb 27 Feb 6 Mar 13 Mar 20 Mar 27 Mar 3 Apr 10 Apr 17 Apr 24 Apr 1 May 8 May 15 May 22 May 29 May 5 Jun 12 Jun 19 Jun 26 Jun 3 Jul 10 Jul 17 Jul 24 Jul 31 Jul
Up week Down week
Demand beneath price

Activity pressure and institutional-style signals

These indicators assess whether participation is improving beneath the headline price move. They are supporting evidence, not proof of institutional buying.

Activity pressure path

Latest 0.8712-week average 0.70

12-week confirmation

Trend active12/12Active trend-backdrop weeks in the latest 12-week window.
Positive pressure9/12Weeks with constructive activity pressure in the latest 12-week window.
Positive leadership8/12Weeks with positive relative leadership in the latest 12-week window.
Activity pressure0.87Current proprietary activity-pressure read.
Buy signals0Accumulation signal count in the latest 12 weeks.
Reversal markers22 reversal markers

No recent accumulation markers. 2 reversal markers.

03 · Momentum and leadership

Is performance persistent—and is the stock leading?

Performance is -9.0% over four weeks, 11.6% over 12 weeks, and 77.2% over one year. The current trend has remained active for 50 consecutive weeks.

Performance by holding period

1W-1.2%
4W-9.0%
12W11.6%
26W19.6%
52W77.2%
Active trend streak50 weeks
Active weeks in one year50
Trend breadth96.2%

Activity pressure vs relative leadership

Activity pressureRelative leadership
Pressure0.73Latest activity-pressure read.
Pressure change-34.8%Four-week change in activity pressure.
Leadership0.45Latest relative-leadership reading.
RS change-97.1%Four-week change in relative leadership.
04 · Fundamentals and valuation

What investors are paying for—and the quality behind it

A published fundamentals and factor snapshot is not available for this company.

Open full factor analysis

No published fundamental snapshot is available for this company.

05 · Ownership, options, and sentiment

What other market participants are doing

Options, insider transactions, market sentiment, and activity-pressure signals can confirm or challenge the price story. None should be used alone.

Insider activity-

No recent insider transactions are stored for this company.

News sentiment53/100

Weighted news tone is neutral across 35 relevant articles.

5 positive · 29 neutral · 1 negative
Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal
06 · Catalysts and risk

What can move the shares—and how volatile the path has been

Event timing, options-implied movement, drawdown, and weekly return distribution frame the risk around the current setup.

Next earnings-No event is currently stored.
Options expected move-Nearest-chain priced movement where available.
52-week drawdown-9.0%Distance below the 52-week high.
13-week volatility4.9%Standard deviation of weekly returns.

Weekly gains and losses

Latest 26 completed weeks

Each bar is one week. Gains rise above the zero line; losses fall below it. Taller bars mean a larger weekly move.

Weeks higher17 of 269 weeks finished lower.
Best week+12.0%Week of 26 Jun.
Worst week-11.4%Week of 10 Jul.
Latest week-1.2%Week of 31 Jul.

Shape of recent returns

Strong gains4
Modest gains13
Flat weeks0
Modest losses6
Sharp losses3
Recent vol4.9%13-week weekly-return volatility.
Base vol6.0%52-week weekly-return volatility.
Up/down split34/18Count of positive and negative weeks in the 52-week window.
Average skew4.5% / -4.7%Average positive week versus average negative week.
07 · Sector and peer context

Is this stock leading—or simply moving with its group?

Sector and industry breadth distinguish company-specific strength from a broad group move.

08 · Evidence and weekly data

The underlying research record

Every top-level statement above should be traceable to a stored market, fundamental, event, or positioning observation.

Weekly tape67/100

Trend, activity pressure, participation, and risk combine to a 67/100 tape read.

 Indicator analysis74/100

Latest 12-week confirmation: trend 12/12, activity pressure 9/12, relative leadership 8/12.

Activity pressure 0.87; 2 reversal markers Next-Week ExpectancyPositive 59.98%

Next-week expectancy is positive with a 59.98% historical one-week setup read.

Adds short-term historical context without overriding trend, activity, or relative leadership. Factors50/100

No published factor snapshot is available yet.

 Patient CapitalQuiet

Activity-pressure buy-signal evidence highlights potential institutional accumulation windows.

No recent buy signal Sentiment53/100

Weighted news tone is neutral across 35 relevant articles.

Biogen Inc. stock underperforms Friday when compared to competitors Insiders50/100

No recent insider transaction evidence is stored.

 Earnings50/100

No stored earnings event is currently attached to this ticker.
WeekCloseReturnTrend LineFair ValuePressureLeadershipVolumeTrend
31 Jul 202624,630 ARS-1.2%22,157 ARS17,812 ARS0.730.457.7KOn
24 Jul 202624,940 ARS0.2%22,036 ARS17,732 ARS0.982.311.2KOn
17 Jul 202624,890 ARS3.7%21,880 ARS17,644 ARS1.215.2429.4KOn
10 Jul 202624,000 ARS-11.4%21,749 ARS17,558 ARS1.03-0.551.1KOn
3 Jul 202627,080 ARS5.1%21,628 ARS17,478 ARS1.1215.374.2KOn
26 Jun 202625,760 ARS12.0%21,431 ARS17,375 ARS0.8213.005.8KOn
19 Jun 202622,990 ARS0.1%21,273 ARS17,281 ARS0.48-3.6610On
12 Jun 202622,960 ARS0.9%21,180 ARS17,206 ARS0.25-5.172.4KOn
5 Jun 202622,760 ARS1.9%21,053 ARS17,134 ARS0.012.51829On
29 May 202622,340 ARS1.3%20,876 ARS17,064 ARS-0.13-1.533.0KOn
22 May 202622,050 ARS-0.5%20,729 ARS16,995 ARS-0.248.641.6KOn
15 May 202622,160 ARS0.4%20,598 ARS16,926 ARS-0.2815.697.7KOn
8 May 202622,070 ARS1.1%20,425 ARS16,859 ARS-0.5413.694.6KOn
1 May 202621,820 ARS3.1%20,248 ARS16,789 ARS-0.8410.776.2KOn
How to use this report

This is a completed-week research summary. It explains the available evidence and its conflicts; it does not predict a guaranteed outcome or replace your own risk assessment. Fundamental figures may refer to an earlier financial reporting period, which is shown above.