Biogen Inc (BIIB) stock chart and technical analysis

Indicator summary: Leaning bullish (3 bullish, 1 bearish, 1 neutral). As of 2026-11-05, the close was $244.16: 6.4% above the 50-day average and 20.4% above the 200-day average, which is rising. RSI (14) is 54, in its neutral range. MACD is bearish after a cross in the last 10 days. The stock sits 87% of the way up its 52-week range of $148.51 to $258.78, on 0.5x its 20-day average volume.

IndicatorReadingRead
50-day average$229.47Price 6.4% above
200-day average$202.80Price 20.4% above, average rising
50 vs 200-day50 above 200Golden-cross alignment
RSI (14)54Neutral range
MACD (12, 26, 9)+6.56 vs +6.97Bearish cross in the last 10 days
52-week range$148.51 to $258.7887% of the way up the range
Volume vs 20-day average0.5xLight

What followed this setup for BIIB

  • When it closed above its 200-day average (3,772 days), it was higher 63 trading days later 55% of the time, median +1.9%.
  • When it closed above its 50-day average (3,716 days), it was higher 63 trading days later 54% of the time, median +1.9%.
  • When it had MACD below its signal line (3,328 days), it was higher 63 trading days later 57% of the time, median +2.8%.
  • All days since 1999 (6,732 days): higher 63 trading days later 56% of the time, median +2.5%.

Base rates use BIIB's own daily history since 1999; they describe the past, not a forecast.

Questions about BIIB's chart

What is BIIB's RSI today?

As of 2026-11-05, BIIB's 14-day RSI is 54, which is in the neutral range between 30 and 70.

Is BIIB above its 200-day moving average?

Yes. BIIB closed at $244.16 on 2026-11-05, 20.4% above its 200-day average of $202.80, which is rising. When it closed above its 200-day average (3,772 days), it was higher 63 trading days later 55% of the time, median +1.9%.

Is BIIB above its 50-day moving average?

Yes. BIIB closed at $244.16 on 2026-11-05, 6.4% above its 50-day average of $229.47. When it closed above its 50-day average (3,716 days), it was higher 63 trading days later 54% of the time, median +1.9%.

Has BIIB had a MACD crossover?

Yes, a bearish cross within the last 10 trading days. As of 2026-11-05 the MACD line is +6.56 against a signal line of +6.97, so MACD is bearish.

Is BIIB near its 52-week high?

No. At $244.16 it sits 87% of the way up its 52-week range of $148.51 to $258.78, 5.6% below the high.

What is BIIB's technical rating today?

Leaning bullish: 3 of 5 indicators are bullish and 1 bearish as of 2026-11-05 (the 50 and 200-day averages, their alignment, RSI and MACD). A rating summarises the chart; it is not a recommendation.

ŷRobot chart signal: Hold, from the chart signal model.

BIIB analysis: AI score, fair value and forecast · Is it a bull or a bear market today? · All covered stocks

ŷRobot analysis is AI-generated and quality-gated; nothing here is investment advice.