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Tidewater TDW 86.69 -1.14 -1.3%

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

TDW / Comparative study

3 signals / 506 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.71
23.83
Mean
38.93
Window
-36.8%
ATM IV z -1.01
0.44
Mean
0.54
Window
-3.5%
IV Percentile z -1.10
20.78
Mean
54.49
Window
-61.8%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.85 0.88
ATM IV 0.85 1.00 0.86
IV Percent... 0.88 0.86 1.00
Source observations

Data inspector

1-50 of 506
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 86.69 23.83 0.44 20.78
2026-09-17 87.83 23.04 0.44 18.04
2026-09-16 88.17 26.05 0.45 24.71
2026-09-15 91.79 20.51 0.43 11.37
2026-09-14 88.58 20.2 0.42 11.02
2026-09-11 92.97 17.83 0.41 5.1
2026-09-10 91.99 20.83 0.43 10.98
2026-09-09 93.07 17.75 0.41 4.71
2026-09-08 92 24.66 0.45 20.39
2026-09-07 94.26 24.42 0.44 19.69
2026-09-04 94.26 20.86 0.43 10.59
2026-09-03 94.58 24.37 0.44 18.43
2026-09-02 100.61 19.06 0.42 7.06
2026-09-01 96.11 25.12 0.45 19.29
2026-08-31 93.12 19.28 0.42 7.91
2026-08-28 92.62 19.55 0.42 9.06
2026-08-27 93.04 8.32 0.37 0.79
2026-08-26 88.81 32 0.48 37.01
2026-08-25 92.32 19.19 0.42 7.87
2026-08-24 92.92 13.75 0.39 1.19
2026-08-21 95.25 19.14 0.42 7.48
2026-08-20 96.49 15.19 0.4 1.57
2026-08-19 94.63 23.57 0.44 16.93
2026-08-18 94.13 16.52 0.41 2.36
2026-08-17 93.97 18.65 0.42 5.14
2026-08-14 94.28 24.39 0.44 18.11
2026-08-13 91.52 16.86 0.41 2.36
2026-08-12 91.61 17.44 0.41 2.36
2026-08-11 91.2 16.49 0.41 1.97
2026-08-10 89.63 18.56 0.42 3.56
2026-08-07 82.84 22.25 0.43 11.42
2026-08-06 81.57 22.54 0.43 13.39
2026-08-05 77.36 28.83 0.47 29.53
2026-08-04 84.19 24.8 0.45 18.5
2026-08-03 71.48 64.85 0.64 84.98
2026-07-31 75.06 61.33 0.62 80.71
2026-07-30 73.48 66.43 0.64 86.22
2026-07-29 73.04 61.5 0.62 81.1
2026-07-28 74.69 60.12 0.61 79.13
2026-07-27 78.54 43.1 0.53 59.29
2026-07-24 78.54 59.02 0.61 78.74
2026-07-23 77.44 58.75 0.61 77.95
2026-07-22 77.04 64.15 0.63 84.65
2026-07-21 78.09 44.52 0.54 61.02
2026-07-20 75.43 54.78 0.59 71.15
2026-07-17 75.82 39.9 0.52 52.76
2026-07-16 74.63 38.26 0.51 50.39
2026-07-15 74.87 38.94 0.51 50.39
2026-07-14 73.97 42.13 0.53 56.69
2026-07-13 74.35 47.47 0.55 62.45