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Biogen Inc BIIB 254.46 5.53 2.22%

Previous-day view · Wed Nov 4 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

BIIB / Comparative study

3 signals / 491 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 2.31
76.54
Mean
36.16
Window
+139.8%
ATM IV z 2.45
0.49
Mean
0.36
Window
+59.3%
IV Percentile z 1.49
98.44
Mean
56.86
Window
+60.8%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.88 0.92
ATM IV 0.88 1.00 0.81
IV Percent... 0.92 0.81 1.00
Source observations

Data inspector

1-50 of 491
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-04 254.46 76.54 0.49 98.44
2026-11-03 248.93 73.22 0.48 98.05
2026-11-02 249.01 30.81 0.36 55.29
2026-10-30 253.62 24.69 0.34 38.04
2026-10-29 249.65 26.34 0.35 42.91
2026-10-28 244.05 29.76 0.36 54.15
2026-10-27 252.73 61.98 0.45 95.65
2026-10-26 252.26 72.05 0.48 97.22
2026-10-23 250.69 69.08 0.47 97.23
2026-10-22 253.84 59.36 0.44 94.86
2026-10-21 240.98 57.04 0.44 92.09
2026-10-20 243.1 49.23 0.41 83
2026-10-19 233.48 51.37 0.42 85.32
2026-10-15 235.35 47.71 0.41 80.24
2026-10-14 232.83 44.81 0.4 75.89
2026-10-13 228.9 41.82 0.39 73.91
2026-10-12 229.41 48.89 0.41 81.35
2026-10-09 225.71 40.49 0.39 71.94
2026-10-08 218.43 46.01 0.4 77.47
2026-10-07 222.15 47.89 0.41 78.66
2026-10-06 222.89 37.14 0.38 64.82
2026-10-05 223.59 36 0.37 63.1
2026-10-02 219.88 26.8 0.35 44.66
2026-10-01 222.82 25.81 0.34 41.11
2026-09-30 225.88 27.52 0.35 45.06
2026-09-29 227.07 21.03 0.33 26.88
2026-09-28 228.69 18.73 0.32 19.84
2026-09-25 227.6 13.99 0.31 7.91
2026-09-24 226.36 20.22 0.33 23.41
2026-09-23 227.53 11.61 0.3 3.97
2026-09-22 225.36 13.44 0.31 5.56
2026-09-21 219.07 20.29 0.33 22.71
2026-09-18 215.5 10.17 0.3 1.98
2026-09-17 219.05 16.9 0.32 13.49
2026-09-16 216.01 18.58 0.32 17.06
2026-09-15 216.17 18.3 0.32 16.67
2026-09-14 217.36 19.83 0.33 19.52
2026-09-11 217.15 22.62 0.34 32.54
2026-09-10 215.43 23.6 0.34 33.73
2026-09-09 210.73 25.31 0.34 38.89
2026-09-08 212.5 23.23 0.34 34.13
2026-09-04 220.83 14.37 0.31 7.94
2026-09-03 224.51 13.77 0.31 5.95
2026-09-02 222.67 20.35 0.33 23.41
2026-09-01 216.04 15.85 0.32 11.55
2026-08-31 216.65 19.87 0.33 21.6
2026-08-28 218.5 17.21 0.32 15.14
2026-08-27 221.5 10 0.3 1.59
2026-08-26 221.07 11.84 0.3 3.19
2026-08-25 220.77 13.93 0.31 5.18