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

BIIB — oversold signal, 15 Jan

short term
RSI(2)3.1
RSI(14)39.5
Close $ · flag day168.57
Off 20-day high−11.4%
Avg volume2.3M

What followed

DateClose $ 5-day avg.vs flag close
15 Jan168.57177.89+0.0%
16 Jan164.42173.25-2.5%
20 Jan165.38169.20-1.9%
21 Jan172.62168.06+2.4%
22 Jan173.80168.96+3.1%
23 Jan171.59169.56+1.8%
26 Jan173.12171.30+2.7%
27 Jan174.12173.05+3.3%
28 Jan174.83173.49+3.7%
29 Jan176.18173.97+4.5%
30 Jan179.89175.63+6.7%

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 15 Jan. The freshest lists go out in the daily alert at 21:30 CET.