BIIB

Biogen Inc.US05/31/2026 · historical

Anchor-neighbor future return range

Median move
-1.07%
P05–P95 span
15.25%
Neighbors
25
Sharpness
0.69
Forecast vs realized (hit-rate)
8 of 10 forecast days elapsed · comparing realized close prices
Realized @ D+8
+2.81%
Outer 90%
7/8(88%)
Middle 50%
4/8(50%)
Above median
7/8(88%)
Below median
1/8(13%)

Higher band-hit rate = better prediction. Above/below median tells which direction the actual drifted from the forecast center.

Probability Cone (D+1 ~ D+10)

Quantile bands P05/P25/P50/P75/P95 for each horizon bar

MedianMiddle 50%Outer 90%Realized

Aggregated distribution (density strip)

Weighted aggregate across all horizon bars and neighbors

P05: -8.67%P25: -3.90%P50: -1.07%P75: 1.28%P95: 6.59%

Computed at: 06/01/26, 02:45 AM · ESS 24.8 · horizon 10 bars

Note: This distribution is not investment advice and reflects historical patterns shown for reference only.