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Biogen sheds 3.4% after a new 90-day high in the 230 area that the weekly close fails to confirm. Money flow turns negative after 16 positive weeks: weekly technical analysis of Biogen stock, with earnings due on Oct 28.

Biogen sheds 3.4% after an unconfirmed new high as money flow turns negative
US stocks · Open long, week 21

Biogen sheds 3.4% after an unconfirmed new high as money flow turns negative

October 02, 2026

Our view last week

Volume on Biogen stock flipped back: after a week in sellers' hands, 89% of trading returned to buyers and the stock rose 5.6%, ending two weeks of declines. The weekly MACD is widening its lead over the signal line and money flow is rising for a 3rd straight week. Price is now pressing against the daily upper Bollinger Band, in the 228.9 area. For this swing trading setup among US stocks, the trade is up 17.7% since entry.

This week's summary

A new 90-day high in the 230 area, then a retreat: Biogen closed the week down 3.4%, at the low of its range, leaving the break unconfirmed. Weekly money flow turned negative after 16 positive weeks, while the MACD holds above its Signal line with a thinner margin. For Biogen stock it is a step back from the 5.6% gain of 7 days earlier: among US stocks, this swing trading setup is still up 13.7% since entry.
Open long ·21st week from start ·US stocks ·T1 ·📅 Earnings · Oct 28 ★ See Gold version →
IQS Phase
50
ordinary
Signal Strength
55
medium
Sizing
STANDARD
Ranking
#59 / 93
US stocks in progress
Trade P&L %
+13.66%
from signal to date, no stop loss

Biogen (BIIB) weekly chart — EMA50 · MACD · VWAP

Weekly chart · EMA50 · MACD · VWAP · Source: TradingView
How to read this pageA visual guide to the post, card by card→

Rank position

ranks 59th among the 93 Longs already running for US stocks in our ranking, with a signal strength of 55 out of 100.

Sector context

SectorHealth Care
Benchmark ETFXLV
Sector regimein positive regime
Performanceweekly -2.65% · monthly -3.91%

BIIB belongs to the health care sector (reference ETF XLV). The sector is classified in positive regime according to our weekly reading.

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