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Westamerica Bancorporation WABC 59.48 -1.22 -2.01%

WABC Historical Options Analysis

Explore WABC (Westamerica Bancorporation) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.

Previous-day view · Mon Sep 21 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

WABC / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 1.13
31.67
Mean
14.98
Window
+103.0%
ATM IV z -0.51
0.41
Mean
0.73
Window
-37.6%
IV Percentile z 0.91
72.91
Mean
46.14
Window
+3.0%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.89 0.74
ATM IV 0.89 1.00 0.75
IV Percent... 0.74 0.75 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 59.48 31.67 0.41 72.91
2026-09-18 60.7 24.84 0.33 48.81
2026-09-17 60.32 26.32 0.35 54.76
2026-09-16 59.67 27.05 0.36 57.54
2026-09-15 60.1 25.55 0.34 52.38
2026-09-14 59.95 27.43 0.36 57.77
2026-09-11 59.09 30.38 0.39 65.48
2026-09-10 59.11 16.33 0.24 19.05
2026-09-09 58.27 21.03 0.29 37.3
2026-09-08 58.45 30.86 0.4 65.87
2026-09-07 59.39 28.4 0.37 59.76
2026-09-04 59.39 26.74 0.36 55.95
2026-09-03 59.08 26.01 0.35 52.38
2026-09-02 58.92 11.79 0.2 9.52
2026-09-01 58.17 20.17 0.28 34.26
2026-08-31 58.05 29.19 0.38 60.8
2026-08-28 58.07 18.16 0.26 25.9
2026-08-27 58.23 16.61 0.25 20.72
2026-08-26 58.14 19.91 0.28 31.87
2026-08-25 57.92 20.47 0.29 34.26
2026-08-24 58.33 22.65 0.31 40.8
2026-08-21 58.47 21.03 0.29 35.06
2026-08-20 58.35 18.78 0.27 27.89
2026-08-19 58.1 38.62 0.48 78.49
2026-08-18 59.19 31.26 0.4 64.14
2026-08-17 59.5 17.05 0.25 23.2
2026-08-14 59.88 7.51 0.35 51.39
2026-08-13 59.93 7.16 0.34 47.81
2026-08-12 59.55 6.17 0.3 36.65
2026-08-11 58.84 3.25 0.19 7.97
2026-08-10 58.54 9.05 0.41 64.8
2026-08-07 59.13 9.16 0.41 65.34
2026-08-06 59.67 8.14 0.38 56.57
2026-08-05 60.11 7.55 0.35 50.6
2026-08-04 60.42 6.48 0.31 41.04
2026-08-03 60.32 4.3 0.23 17.2
2026-07-31 60.15 9.31 0.42 64.54
2026-07-30 59.9 9.69 0.43 66.93
2026-07-29 60.36 8.57 0.39 57.77
2026-07-28 60.52 1.45 0.12 0.4
2026-07-27 60.02 9.1 0.41 62.8
2026-07-24 60.49 7.15 0.34 44.62
2026-07-23 60.31 3.24 0.19 7.17
2026-07-22 60.2 7.92 0.37 51.79
2026-07-21 60.61 2.38 0.16 1.2
2026-07-20 61.4 3.8 0.21 10.8
2026-07-17 61.36 7.09 0.34 43.03
2026-07-16 62.46 17.16 0.72 86.06
2026-07-15 59.02 9.22 0.42 60.16
2026-07-14 58.62 12.94 0.56 78.88