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California Water Service CWT 48.22 -0.64 -1.31%

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

CWT / Comparative study

3 signals / 510 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.98
8.74
Mean
33.05
Window
-83.4%
ATM IV z -0.88
0.29
Mean
0.57
Window
-58.6%
IV Percentile z -0.14
43.24
Mean
47.49
Window
-48.8%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.98 0.90
ATM IV 0.98 1.00 0.90
IV Percent... 0.90 0.90 1.00
Source observations

Data inspector

1-50 of 510
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 48.22 8.74 0.29 43.24
2026-09-10 48.86 17.66 0.48 75.68
2026-09-09 49.43 15.43 0.44 71.04
2026-09-08 49.87 12.98 0.38 64.48
2026-09-07 50.03 12.65 0.38 62.79
2026-09-04 50.03 12 0.36 59.85
2026-09-03 50.53 9.66 0.31 48.65
2026-09-02 50.14 11.94 0.36 59.46
2026-09-01 49.74 6.29 0.24 21.71
2026-08-31 49.97 6.18 0.24 19.84
2026-08-28 50.48 2.72 0.17 1.94
2026-08-27 50.09 4.52 0.2 5.43
2026-08-26 50.26 16.91 0.47 72.09
2026-08-25 50.61 6.07 0.24 16.67
2026-08-24 50.85 36.78 0.89 89.49
2026-08-21 49.55 7.46 0.27 31.01
2026-08-20 50.02 15.58 0.44 69.38
2026-08-19 49.91 4.73 0.21 6.98
2026-08-18 49.86 5.48 0.22 12.79
2026-08-17 49.66 7.01 0.26 26.07
2026-08-14 50.4 2.4 0.16 0.78
2026-08-13 50.19 3.99 0.19 3.49
2026-08-12 49.98 14.82 0.42 66.67
2026-08-11 49.98 14.01 0.41 64.34
2026-08-10 49.48 9.36 0.31 45.14
2026-08-07 50.53 4.51 0.2 4.65
2026-08-06 49.43 8.87 0.3 41.47
2026-08-05 49.74 8.48 0.29 37.6
2026-08-04 50.3 2.65 0.16 0.78
2026-08-03 49.38 11.02 0.34 49.03
2026-07-31 50.11 18.58 0.5 71.71
2026-07-30 50.5 7.98 0.28 33.72
2026-07-29 51.73 14.36 0.41 64.73
2026-07-28 52.44 10.72 0.34 46.51
2026-07-27 50.79 12.53 0.37 57.98
2026-07-24 50.72 11.89 0.36 55.04
2026-07-23 50.96 11.5 0.35 51.55
2026-07-22 51.03 7.14 0.26 25.58
2026-07-21 50.62 12.92 0.38 57.75
2026-07-20 51.38 11.3 0.35 50.19
2026-07-17 51.88 5.99 0.23 13.95
2026-07-16 51.34 8.67 0.29 36.82
2026-07-15 49.73 7.61 0.27 28.68
2026-07-14 50.01 6.17 0.24 15.5
2026-07-13 50 6.99 0.26 23.35
2026-07-10 49.71 5.18 0.22 8.14
2026-07-09 49.11 14.18 0.41 58.53
2026-07-08 49.35 13.45 0.39 56.98
2026-07-07 49.69 15.13 0.43 60.08
2026-07-02 50.23 8.18 0.28 33.2