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Columbia Banking Systems Inc COLB 29.93 -0.02 -0.05%

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

COLB / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.81
4.28
Mean
16.61
Window
-77.8%
ATM IV z -0.90
0.26
Mean
0.38
Window
-40.0%
IV Percentile z -1.16
8.53
Mean
43.49
Window
-88.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.87 0.73
ATM IV 0.87 1.00 0.76
IV Percent... 0.73 0.76 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 29.93 4.28 0.26 8.53
2026-09-17 29.95 4.5 0.26 18.22
2026-09-16 29.72 5.54 0.28 24.42
2026-09-15 30.15 2.53 0.23 3.1
2026-09-14 30.11 1.95 0.22 1.95
2026-09-11 30.11 1.56 0.21 0.39
2026-09-10 30.04 2.76 0.23 2.71
2026-09-09 29.84 2.91 0.24 2.71
2026-09-08 30.27 3.29 0.24 3.49
2026-09-07 30.8 4.34 0.26 6.23
2026-09-04 30.8 3.83 0.25 4.26
2026-09-03 30.45 1.73 0.21 0.78
2026-09-02 30.08 2.2 0.22 1.16
2026-09-01 29.32 1.89 0.22 0.78
2026-08-31 29.64 0 0.18 0
2026-08-28 30.07 2.37 0.26 3.5
2026-08-27 30.69 3.82 0.28 19.07
2026-08-26 30.71 6.34 0.33 42.8
2026-08-25 30.53 3.74 0.28 18.29
2026-08-24 30.64 7.78 0.35 59.77
2026-08-21 30.81 4 0.29 19.46
2026-08-20 30.84 3.73 0.28 18.29
2026-08-19 31.07 0.83 0.23 0.78
2026-08-18 32.14 14.73 0.48 89.88
2026-08-17 32.34 13.23 0.45 87.89
2026-08-14 32.69 6.21 0.32 42.41
2026-08-13 32.44 7.1 0.34 52.14
2026-08-12 32.25 10.64 0.4 78.99
2026-08-11 31.71 7.96 0.36 63.04
2026-08-10 31.26 6.57 0.33 46.48
2026-08-07 31.24 7.38 0.35 55.25
2026-08-06 31.03 5.39 0.31 34.63
2026-08-05 31.35 9.79 0.39 73.93
2026-08-04 31.78 7.55 0.35 56.81
2026-08-03 31.5 3.06 0.27 14.45
2026-07-31 31.27 7.54 0.35 56.42
2026-07-30 31.25 4.5 0.29 25.29
2026-07-29 30.78 4.26 0.29 22.57
2026-07-28 31.27 7.05 0.34 52.14
2026-07-27 30.9 3.65 0.28 19.53
2026-07-24 31.15 4.87 0.3 29.96
2026-07-23 32.26 18.24 0.54 96.5
2026-07-22 32.63 5.63 0.31 36.96
2026-07-21 32.85 17.37 0.52 95.33
2026-07-20 32.8 5.63 0.31 37.11
2026-07-17 33.24 5.15 0.31 31.91
2026-07-16 33.61 4.27 0.29 22.96
2026-07-15 32.57 5.76 0.32 37.74
2026-07-14 32.25 9.14 0.38 71.98
2026-07-13 31.98 8.33 0.36 65.63