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Bel Fuse Inc BELFB 195.94 -21.49 -9.88%

Previous-day view · Thu Nov 5 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

BELFB / Comparative study

3 signals / 491 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 2.15
53.48
Mean
21.31
Window
+405.5%
ATM IV z 0.08
0.57
Mean
0.56
Window
+20.0%
IV Percentile z 0.38
63.97
Mean
53.2
Window
+57.4%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.52 0.73
ATM IV 0.52 1.00 0.81
IV Percent... 0.73 0.81 1.00
Source observations

Data inspector

1-50 of 491
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-05 195.94 53.48 0.57 63.97
2026-11-04 217.43 34.25 0.52 50.39
2026-11-03 238.45 42.57 0.57 66.8
2026-11-02 235.04 43.55 0.58 70.2
2026-10-30 236.15 36.19 0.54 56.08
2026-10-29 235.73 33.72 0.52 50.39
2026-10-28 227.77 59.39 0.68 93.68
2026-10-27 223.79 55.98 0.66 90.51
2026-10-26 209.41 59.45 0.68 94.44
2026-10-23 199.51 57.8 0.67 93.28
2026-10-22 199.81 52.15 0.63 88.54
2026-10-21 220.55 51.9 0.63 87.75
2026-10-20 212.4 54.13 0.65 90.51
2026-10-19 215.57 45.59 0.59 76.59
2026-10-15 219.07 49.91 0.62 86.17
2026-10-14 223.43 46.15 0.6 79.05
2026-10-13 235.26 47.68 0.61 82.61
2026-10-12 238.41 42.81 0.58 72.22
2026-10-09 244.5 42.77 0.58 72.33
2026-10-08 242.5 42.73 0.58 72.33
2026-10-07 246.72 38.37 0.55 62.45
2026-10-06 260.26 39.57 0.56 65.61
2026-10-05 257.63 46.06 0.6 79.37
2026-10-02 257.94 44.61 0.59 76.68
2026-10-01 252.09 38.18 0.55 63.24
2026-09-30 244.12 27.73 0.48 25.69
2026-09-29 245.48 30.88 0.5 36.36
2026-09-28 248.07 30.6 0.5 35.71
2026-09-25 252.69 33.02 0.52 48.62
2026-09-24 250.96 33.33 0.52 49.6
2026-09-23 254.08 33.71 0.52 52.38
2026-09-22 249.56 27.8 0.48 27.78
2026-09-21 243.46 37.52 0.54 62.55
2026-09-18 241.97 35.47 0.53 58.33
2026-09-17 238.27 31.72 0.51 41.67
2026-09-16 234.6 35.38 0.53 58.33
2026-09-15 231.75 40.5 0.56 68.65
2026-09-14 230.39 31.46 0.51 41.04
2026-09-11 250.36 27.2 0.48 28.97
2026-09-10 243 36.13 0.53 60.32
2026-09-09 246.01 39.48 0.56 66.27
2026-09-08 247.76 35.64 0.53 60.71
2026-09-04 243.79 34.5 0.52 57.14
2026-09-03 239.89 33.03 0.52 53.17
2026-09-02 240.71 32.92 0.52 52.38
2026-09-01 243.42 33.99 0.52 56.18
2026-08-31 249.28 23.33 0.46 24
2026-08-28 248.69 18.78 0.43 19.12
2026-08-27 257.64 30.98 0.5 43.03
2026-08-26 255.11 31.32 0.51 44.22