BIIB
Biogen Inc.When BIIB passed all Ten ChecksBiogen Inc.
history · not a forecastOver 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.
The strongest of them rose +15.0% in Aug 2017, peaked day 14.
- 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.
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.