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BIIB

Biogen Inc.
Health Care
$221.50 0.43 (0.19%) Thu End-of-day close · Aug 27, 2026
8/10of the Ten Checks passing1 since Wednesday’s closeSame Ten Checks for every stock — a measurement, not a ranking or a call to act. How the Ten Checks work →
New to the Ten Checks? Learn to read them
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When BIIB passed all Ten ChecksBiogen Inc.

history · not a forecast

Over the past 10 years, BIIB has passed all Ten Checks on 10 separate days. Here is how it moved over the 20 trading sessions that followed — how far it rose, and how far it fell.

Typical peak+2.4% the median high of all 10
Typical dip-6.2% the median low along the way

The strongest of them rose +15.0% in Aug 2017, peaked day 14.

Most recentpeakdip
  • May 2026+3.2% -2.5%
  • Jun 2024+3.5% -7.7%
  • May 2023+1.6% -4.8%

Peak and dip mark the highest and lowest closing prices over those 20 sessions; the intraday swings ran wider still, and neither figure is a return you could have captured by buying and selling at the perfect moment. These are historical readings from the past 10 years, drawn only from the US-listed stocks the site covers today — a record of what happened, not a prediction of what will, and not investment advice.

6-month history — checks vs. price

Price on the left axis; checks passing (0–10) on the right.

Close ($)Checks (0–10)
Aug 27, 20268/10 checks$221.50closelatest · hover the chart to scan
Checks passing over the last 126 sessions count only · not price
0510Feb 27Aug 27

Common questions about BIIB’s checks

How many technical checks does BIIB pass right now?

As of the Aug 27, 2026 close, BIIB passes 8 of 10 fixed technical checks — the checks not passing: pulled back to support, not overextended.

Why does BIIB fail the "pulled back to support" check?

BIIB hasn't touched its 21-day average ($212.95) in the last 3 sessions, so the pullback check fails. It passes on a dip back toward $212.95.

What price would change BIIB's check count?

The nearest flip level is "adequate stop room" fails on a close below $219.11. Each price-anchored check has an exact next-close level, shown in the Flip levels panel above.

Factual measurements from the latest scan — not investment advice.