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Bandwidth Inc BAND 49.94 -0.57 -1.13%

Previous-day view · Fri Sep 18 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

BAND / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.21
28.14
Mean
24.47
Window
-71.0%
ATM IV z 0.57
0.82
Mean
0.69
Window
-28.9%
IV Percentile z 0.34
63.57
Mean
53.09
Window
-35.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.90 0.83
ATM IV 0.90 1.00 0.90
IV Percent... 0.83 0.90 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 49.94 28.14 0.82 63.57
2026-09-17 50.51 27.48 0.81 61.63
2026-09-16 48.93 30.53 0.86 72.87
2026-09-15 50.08 30.35 0.86 72.87
2026-09-14 48.97 28.29 0.82 64.98
2026-09-11 56.87 27.34 0.81 62.4
2026-09-10 51.62 23.1 0.73 43.41
2026-09-09 48.83 26.85 0.8 60.85
2026-09-08 43.62 27.09 0.8 62.02
2026-09-07 43.74 25.82 0.78 58.37
2026-09-04 43.77 24.18 0.75 51.16
2026-09-03 47.09 25.07 0.77 55.43
2026-09-02 47.55 26.16 0.79 59.69
2026-09-01 50.79 27.71 0.81 63.42
2026-08-31 48.43 29.25 0.84 68.75
2026-08-28 49 30.03 0.86 71.98
2026-08-27 51.85 24.12 0.75 52.14
2026-08-26 46.89 29.83 0.85 71.6
2026-08-25 46.66 29.53 0.85 70.82
2026-08-24 46.35 21.05 0.69 41.02
2026-08-21 47.52 24.31 0.75 55.64
2026-08-20 48.15 25.7 0.78 60.7
2026-08-19 52.3 25.47 0.77 59.53
2026-08-18 52.94 24.18 0.75 55.25
2026-08-17 52.79 29.31 0.84 70.7
2026-08-14 53.97 22.6 0.72 48.64
2026-08-13 54.06 25.92 0.78 61.87
2026-08-12 51.97 26.91 0.8 64.2
2026-08-11 51.62 27.25 0.81 64.59
2026-08-10 52.71 25.04 0.77 59.77
2026-08-07 49.96 28.47 0.83 68.09
2026-08-06 44.69 31.07 0.87 74.32
2026-08-05 45.67 29.64 0.85 71.6
2026-08-04 46.2 37.57 0.99 84.05
2026-08-03 43.47 34.69 0.94 80.86
2026-07-31 39.14 32.35 0.9 78.21
2026-07-30 38.83 39.35 1.02 84.44
2026-07-29 36.95 34.07 0.93 80.93
2026-07-28 52.25 53.81 1.29 99.61
2026-07-27 57.18 50.48 1.23 99.22
2026-07-24 59.8 48.62 1.19 99.22
2026-07-23 58.74 48.15 1.18 98.83
2026-07-22 64.37 47.65 1.18 98.83
2026-07-21 70.36 44.39 1.12 96.5
2026-07-20 68.8 47.25 1.17 98.83
2026-07-17 71.81 44.39 1.12 97.28
2026-07-16 68.88 46.29 1.15 98.44
2026-07-15 70.97 48.3 1.19 99.22
2026-07-14 75.77 45.16 1.13 98.44
2026-07-13 73.81 51.3 1.24 99.61