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FormFactor Inc FORM 119.0 7.47 6.7%

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

FORM / Comparative study

3 signals / 506 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.46
35.35
Mean
46.34
Window
-40.3%
ATM IV z 0.09
0.68
Mean
0.67
Window
-3.8%
IV Percentile z -0.91
36.08
Mean
62.91
Window
-61.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.95 0.92
ATM IV 0.95 1.00 0.84
IV Percent... 0.92 0.84 1.00
Source observations

Data inspector

1-50 of 506
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 119 35.35 0.68 36.08
2026-09-17 111.53 37.92 0.71 41.18
2026-09-16 104.82 41.64 0.74 49.8
2026-09-15 101.69 40.99 0.74 49.02
2026-09-14 102.94 42.95 0.75 51.57
2026-09-11 114.95 38.89 0.72 44.71
2026-09-10 112.12 41.85 0.74 51.37
2026-09-09 114.18 40.3 0.73 48.63
2026-09-08 109.86 40.52 0.73 49.41
2026-09-07 103.9 40.51 0.73 49.21
2026-09-04 103.9 37.53 0.7 44.31
2026-09-03 96.76 36.81 0.7 42.75
2026-09-02 96.58 37.38 0.7 43.92
2026-09-01 95.41 38.37 0.71 45.28
2026-08-31 100.61 39.24 0.72 46.64
2026-08-28 101.69 32.52 0.66 36.61
2026-08-27 110.23 38.38 0.71 46.06
2026-08-26 108.1 40.98 0.74 49.61
2026-08-25 107.72 44.66 0.77 53.54
2026-08-24 107.9 44.49 0.77 53.36
2026-08-21 114.16 45.15 0.77 54.72
2026-08-20 115.71 45.8 0.78 55.12
2026-08-19 114.95 47.1 0.79 56.3
2026-08-18 124.34 50.44 0.82 62.2
2026-08-17 138.16 48.18 0.8 58.1
2026-08-14 131.6 46.2 0.78 56.69
2026-08-13 131.67 48.56 0.81 59.06
2026-08-12 128.77 50.1 0.82 61.81
2026-08-11 121.07 52.54 0.84 66.54
2026-08-10 112.47 58.16 0.89 75.49
2026-08-07 117.39 59.91 0.91 78.74
2026-08-06 115.21 61.25 0.92 80.71
2026-08-05 114.44 75.32 1.05 91.34
2026-08-04 120.3 76.99 1.07 91.73
2026-08-03 108.8 80.75 1.1 93.68
2026-07-31 106.2 73.18 1.03 91.73
2026-07-30 105.38 79 1.09 92.52
2026-07-29 83.45 94.47 1.23 99.61
2026-07-28 88.23 100 1.28 100
2026-07-27 98.8 100 1.23 100
2026-07-24 104.04 95.62 1.18 98.43
2026-07-23 112.75 100 1.21 100
2026-07-22 113.39 99.66 1.21 99.21
2026-07-21 113.75 100 1.21 100
2026-07-20 105.31 100 1.21 100
2026-07-17 105.57 100 1.17 100
2026-07-16 107.11 97.6 1.11 98.43
2026-07-15 115.81 98.09 1.11 98.82
2026-07-14 116.33 97.47 1.11 98.82
2026-07-13 110.3 96.9 1.1 98.42