Closing Note
updated 2026-07-24 14:52 UTC

BIIB — oversold signal, 14 Jan

short term
RSI(2)3.4
RSI(14)40.2
Close $ · flag day169.31
Off 20-day high−11.0%
Avg volume2.3M

What followed

DateClose $ 5-day avg.vs flag close
14 Jan169.31181.37+0.0%
15 Jan168.57177.89-0.4%
16 Jan164.42173.25-2.9%
20 Jan165.38169.20-2.3%
21 Jan172.62168.06+2.0%
22 Jan173.80168.96+2.7%
23 Jan171.59169.56+1.3%
26 Jan173.12171.30+2.3%
27 Jan174.12173.05+2.8%
28 Jan174.83173.49+3.3%
29 Jan176.18173.97+4.1%

The rule flags the close; the strategy's exit is the first close above the 5-day average, or six trading days, whichever comes first. Shown for research — not every flag is traded.

Research chart

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From the oversold list of 14 Jan. The freshest lists go out in the daily alert at 21:30 CET.