Biogen (BIIB) Chart Patterns, Support & Resistance & Technical Analysis
Auto-detected technical analysis for BIIB · data as of Jun 25, 2026. The chart above is live; the read below updates daily.
$201.96last close · Jun 25, 2026
BIIB Bullish Pennant Pattern
No chart pattern is currently detected on BIIB. The most recent was a Bullish Pennant, detected Aug 12, 2025.
A Bullish Pennant is a brief, tidy pause that typically continues the move higher. It projects a measured-move target near $146.48 (+11.4%). Across 13,034 backtested bullish pennants, the setup followed through 55.2% of the time, averaging +0.58R; BIIB's own bullish pennants have hit 54.2%.
BIIB's most recent completed Symmetrical Triangle resolved as a win: it broke higher on Aug 13, 2025 near $135.19, then reached its target at $142.50 on Sep 19, 2025 — a +0.69R move (5.4%) over 26 sessions. Across 111 backtested symmetrical triangles, this setup wins 53.2% of the time.
OutcomeWinResult+0.69REntry$135.19Exit$142.50
How Bullish Pennants have performed
Win rate
55.2%
Avg return
+0.58R
Backtested trades
13,034
BIIB win rate
54.2%
Historical pattern statistics (1986-11-26 – 2026-06-08), not a prediction.
BIIB support and resistance levels
On the weekly chart, price is resting in the open space between a floor below near $184.93 and a ceiling above near $238.00.
No fresh touch at either edge yet, so there's no lean either way.
The next move usually shows itself when price reaches one of those edges — the clearest reads tend to begin right at one of these lines.
Nearest auto-detected support sits near $187.46, resistance near $231.92. These are chart/swing-derived levels, not formula pivots.
Resistance
$231.92$259.34$650.11
Support
$187.46
BIIB recent daily prices
Date
Open
High
Low
Close
Jun 25, 2026
$201.63
$206.67
$200.20
$201.96
Jun 24, 2026
$199.34
$202.06
$198.66
$199.59
Jun 23, 2026
$198.88
$201.22
$197.01
$197.19
Jun 22, 2026
$199.48
$200.98
$194.74
$199.71
Jun 18, 2026
$200.22
$200.99
$193.20
$196.58
Jun 17, 2026
$195.14
$201.75
$194.04
$198.67
Jun 16, 2026
$199.69
$200.26
$194.04
$195.61
Jun 15, 2026
$198.37
$199.37
$195.89
$198.64
Jun 12, 2026
$200.57
$203.45
$199.06
$200.05
Jun 11, 2026
$195.49
$201.18
$194.24
$199.96
BIIB frequently asked questions
What chart pattern is BIIB forming right now?
No pattern is currently detected on BIIB. The most recent was a Bullish Pennant, detected Aug 12, 2025.
Is a Bullish Pennant bullish or bearish?
The Bullish Pennant detected on BIIB is a bullish pattern, projecting a measured-move target of $146.48. See its full backtested track record above — that's the real edge, not the textbook label.
How reliable is a Bullish Pennant pattern, and what is its win rate?
Across TradingPal's backtest of the Bullish Pennant family (13,034 trades over 516 symbols), it resolved in the expected direction 55.2% of the time with an average of +0.58R. These are historical statistics, not a prediction.
What are the support and resistance levels for BIIB?
Based on auto-detected, swing-derived levels (as of Jun 25, 2026), BIIB's nearest support is around $187.46 and nearest resistance around $231.92.
What is the price target if BIIB's pattern breaks out?
The detected Bullish Pennant has a geometry-based measured-move target of $146.48 (pattern height projected from the breakout). This is a technical target, not a recommendation.
What was BIIB's closing price on Jun 25, 2026?
Biogen (BIIB) last closed at $201.96 on Jun 25, 2026. For the live quote, see the chart above or a real-time quote provider.
Technical analysis for informational purposes only — not investment advice. Auto-detected patterns and levels update daily; the chart above is live.
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