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Western Digital Corp WDC 447.1 -13.83 -3.0% Regime: Trend Down (95%)

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

WDC / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.70
30.54
Mean
48.44
Window
-4.9%
ATM IV z 0.06
0.63
Mean
0.61
Window
+62.5%
IV Percentile z -1.96
11.51
Mean
68.16
Window
-79.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.79 0.88
ATM IV 0.79 1.00 0.67
IV Percent... 0.88 0.67 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 447.1 30.54 0.63 11.51
2026-09-10 460.93 36.24 0.67 21.83
2026-09-09 482.28 39.74 0.7 29.76
2026-09-08 477.3 46.17 0.76 38.49
2026-09-07 467.16 40.61 0.71 31.08
2026-09-04 467.46 36.84 0.68 25
2026-09-03 441.57 33.56 0.65 17.46
2026-09-02 448.9 33.04 0.65 16.27
2026-09-01 450.44 34.89 0.66 19.92
2026-08-31 450.55 32.66 0.64 15.6
2026-08-28 459.45 35.01 0.64 15.54
2026-08-27 462 41 0.69 27.49
2026-08-26 468.88 42.11 0.7 29.48
2026-08-25 450.75 42.35 0.7 29.88
2026-08-24 435.38 41.85 0.7 28.4
2026-08-21 459.44 40.54 0.68 28.29
2026-08-20 469.05 44.39 0.72 33.47
2026-08-19 462.09 45.42 0.73 35.06
2026-08-18 496.16 48.13 0.75 37.85
2026-08-17 536.01 47.11 0.74 37.2
2026-08-14 508.8 45.38 0.72 35.46
2026-08-13 487.29 48.76 0.75 38.25
2026-08-12 454.1 44.46 0.71 33.86
2026-08-11 437.93 47.5 0.74 37.85
2026-08-10 438.34 51.03 0.77 42
2026-08-07 434.3 52.23 0.78 46.22
2026-08-06 451.52 57.07 0.82 57.77
2026-08-05 519.17 70.34 0.94 85.26
2026-08-04 548.56 78.81 1.01 90.84
2026-08-03 527.22 81.6 1.04 92
2026-07-31 544.84 82.12 1.04 92.83
2026-07-30 533.04 83.25 1.05 93.23
2026-07-29 462.04 88.48 1.1 97.61
2026-07-28 463.51 88.73 1.1 98.01
2026-07-27 497.92 86.22 1.08 97.2
2026-07-24 519.8 83.33 1.05 94.82
2026-07-23 558.3 85.66 1.07 97.21
2026-07-22 556.67 87.37 1.09 98.01
2026-07-21 548.39 90.72 1.12 98.8
2026-07-20 487.42 94 1.15 99.6
2026-07-17 477.22 89.91 1.11 99.2
2026-07-16 466.81 84.77 1.07 98.41
2026-07-15 513.84 82.11 1.04 97.21
2026-07-14 563.32 85.48 1.07 98.8
2026-07-13 555.55 84.48 1.06 98.8
2026-07-10 582.59 80.27 1.03 97.61
2026-07-09 578.05 84.26 1.06 98.8
2026-07-08 550.3 83.78 1.06 98.8
2026-07-07 532.1 86.35 1.08 99.2
2026-07-02 539 80.47 1.03 99.21