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CeriBell CBLL 23.63 0.2 0.85%

Previous-day view · Fri Sep 11 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

CBLL / Comparative study

3 signals / 381 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.71
2.47
Mean
21.98
Window
-97.5%
ATM IV z -0.24
0.86
Mean
1.21
Window
+41.3%
IV Percentile z 0.79
65.46
Mean
41.69
Window
-34.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.63 0.81
ATM IV 0.63 1.00 0.53
IV Percent... 0.81 0.53 1.00
Source observations

Data inspector

1-50 of 381
  • 1 / 8
Date Close IV Rank ATM IV IV Percentile
2026-09-11 23.63 2.47 0.86 65.46
2026-09-10 23.43 1.96 0.78 47.79
2026-09-09 24.41 1.41 0.69 26.1
2026-09-08 24.31 1.35 0.68 22.09
2026-09-07 24.72 1.09 0.63 13.31
2026-09-04 24.72 0.67 0.56 5.62
2026-09-03 24.57 1.4 0.68 24.1
2026-09-02 24.81 0.92 0.6 8.43
2026-09-01 24.58 1.26 0.66 18.15
2026-08-31 23.98 1.43 0.69 23.89
2026-08-28 23.73 2.25 0.83 54.03
2026-08-27 23.37 1.85 0.76 40.73
2026-08-26 23.45 1.04 0.62 10.89
2026-08-25 23.95 1.09 0.63 11.69
2026-08-24 23.94 0.93 0.61 8.5
2026-08-21 24.2 1.34 0.67 18.95
2026-08-20 24.31 1.61 0.72 29.44
2026-08-19 24.89 1.14 0.64 12.5
2026-08-18 24.21 1.43 0.69 22.18
2026-08-17 24.4 1.45 0.69 22.27
2026-08-14 23.33 1.35 0.68 18.55
2026-08-13 23.25 1.01 0.62 9.27
2026-08-12 22.91 0.66 0.56 4.84
2026-08-11 21.31 1.53 0.71 23.39
2026-08-10 19.3 1.22 0.65 14.17
2026-08-07 18.81 1.24 0.66 14.52
2026-08-06 18.25 1.59 0.72 24.19
2026-08-05 18.29 1.56 0.71 22.98
2026-08-04 18.52 1.59 0.72 24.19
2026-08-03 18.31 2.89 0.94 62.75
2026-07-31 17.69 3.66 1.06 71.77
2026-07-30 17.64 4.07 1.13 73.79
2026-07-29 17.73 4.29 1.17 75.4
2026-07-28 17.83 4.44 1.2 76.21
2026-07-27 18.13 2.29 0.83 48.18
2026-07-24 16.91 16.32 3.2 95.97
2026-07-23 16.28 3.11 0.97 66.53
2026-07-22 16.82 -- -- --
2026-07-21 17.89 -- -- --
2026-07-20 18.43 2.43 0.86 52.61
2026-07-17 18.72 1.55 0.71 22.4
2026-07-16 19.14 100 17.28 100
2026-07-15 19.4 100 12.75 100
2026-07-14 19.13 100 10.45 100
2026-07-13 19.52 100 9.21 100
2026-07-10 19.56 100 7.02 100
2026-07-09 19.64 100 6.59 100
2026-07-08 19.4 100 6.18 100
2026-07-07 19.85 100 5.94 100
2026-07-02 19.55 12.34 0.84 49.4