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PDF Solutions Inc PDFS 43.73 1.76 4.19%

Previous-day view · Thu Sep 17 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

PDFS / Comparative study

3 signals / 506 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.87
38.91
Mean
25.45
Window
-22.8%
ATM IV z -0.29
0.79
Mean
0.91
Window
-28.3%
IV Percentile z 0.65
69.02
Mean
52.13
Window
-20.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.86 0.91
ATM IV 0.86 1.00 0.84
IV Percent... 0.91 0.84 1.00
Source observations

Data inspector

1-50 of 506
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-17 43.73 38.91 0.79 69.02
2026-09-16 41.97 37.77 0.78 64.71
2026-09-15 41.42 39.15 0.8 68.63
2026-09-14 42.81 38.14 0.79 65.75
2026-09-11 47.77 30.48 0.71 43.92
2026-09-10 47.16 26.28 0.72 49.41
2026-09-09 47.15 30.65 0.79 64.71
2026-09-08 47.84 28.59 0.76 58.04
2026-09-07 45.65 28.41 0.75 57.09
2026-09-04 45.65 26.48 0.73 49.8
2026-09-03 43.46 28.06 0.75 55.29
2026-09-02 42.05 25.31 0.71 45.88
2026-09-01 41.79 21.93 0.66 36.61
2026-08-31 44.48 26.86 0.73 49.8
2026-08-28 44.81 24.74 0.7 43.7
2026-08-27 46.15 25.68 0.72 45.67
2026-08-26 44.93 30.85 0.79 62.6
2026-08-25 44.28 19.48 0.74 50.39
2026-08-24 44.06 18.94 0.73 48.62
2026-08-21 45.65 21.09 0.77 58.27
2026-08-20 44.81 18.33 0.72 46.46
2026-08-19 45.22 21.83 0.79 60.63
2026-08-18 47.93 21.43 0.78 59.84
2026-08-17 52.8 15.09 0.65 35.18
2026-08-14 50.9 16.38 0.68 40.16
2026-08-13 50.35 21.08 0.77 58.27
2026-08-12 51.77 17.91 0.71 45.28
2026-08-11 49.15 21.21 0.77 58.27
2026-08-10 47.63 22.01 0.79 60.47
2026-08-07 49.45 18.45 0.72 47.24
2026-08-06 45.9 25.7 0.86 68.9
2026-08-05 49.46 25.51 0.86 67.72
2026-08-04 51.17 24.1 0.83 65.75
2026-08-03 48 29.33 0.94 74.7
2026-07-31 46.09 36.92 1.09 84.65
2026-07-30 46.15 31.01 0.97 77.95
2026-07-29 41.17 27.21 0.89 70.47
2026-07-28 44.59 28.86 0.93 73.23
2026-07-27 47.72 25.52 0.86 67.59
2026-07-24 50.98 30.67 0.96 76.38
2026-07-23 52.35 28.95 0.93 72.83
2026-07-22 53.42 31.25 0.98 75.98
2026-07-21 54.52 30.64 0.96 75.59
2026-07-20 48.88 28.79 0.93 72.33
2026-07-17 51.14 33.16 1.01 77.17
2026-07-16 51.93 28.7 0.92 71.65
2026-07-15 53.43 26.96 0.89 69.69
2026-07-14 54.22 30.13 0.95 73.23
2026-07-13 52.79 27.74 0.91 70.36
2026-07-10 55.52 30.43 0.96 72.83