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Exponent Inc EXPO 68.3 0.11 0.16%

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

EXPO / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 2.14
63.58
Mean
30.05
Window
+219.8%
ATM IV z 2.05
0.63
Mean
0.4
Window
+88.0%
IV Percentile z 1.44
93.23
Mean
52.11
Window
+71.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 1.00 0.89
ATM IV 1.00 1.00 0.89
IV Percent... 0.89 0.89 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 68.3 63.58 0.63 93.23
2026-09-17 68.19 59.77 0.6 92.03
2026-09-16 68.01 15.67 0.3 14.34
2026-09-15 67.34 28.28 0.39 54.98
2026-09-14 69.19 26.73 0.38 51.2
2026-09-11 67.21 21.17 0.34 36.65
2026-09-10 67.33 22.34 0.35 40.24
2026-09-09 67.47 20.96 0.34 35.46
2026-09-08 67.86 18.41 0.32 23.9
2026-09-07 68.35 23.19 0.35 41.6
2026-09-04 68.35 21.27 0.34 37.45
2026-09-03 70.05 21.2 0.34 36.65
2026-09-02 70.03 38.03 0.45 74.5
2026-09-01 70.3 14.17 0.29 8.4
2026-08-31 71.01 23.79 0.36 41.77
2026-08-28 71.53 29.34 0.39 55.6
2026-08-27 71.15 22.6 0.35 39.2
2026-08-26 70.34 44.7 0.5 85.2
2026-08-25 70.12 36.28 0.44 71.6
2026-08-24 70.78 28.89 0.39 54.62
2026-08-21 70.21 19.44 0.33 30
2026-08-20 69.38 28.61 0.39 54.8
2026-08-19 69.91 19.99 0.33 32
2026-08-18 67.51 25.19 0.37 46
2026-08-17 66.19 16.48 0.31 19.28
2026-08-14 67.1 25.69 0.37 46.8
2026-08-13 68.21 24.6 0.36 45.2
2026-08-12 67.64 14.82 0.29 12.4
2026-08-11 68.35 15.9 0.3 16.4
2026-08-10 67.52 19.51 0.33 31.73
2026-08-07 66.79 21.07 0.34 36.4
2026-08-06 66.21 11.8 0.27 5.6
2026-08-05 66.89 25.31 0.37 44.8
2026-08-04 67.84 20.39 0.33 34.8
2026-08-03 68.27 42 0.48 81.93
2026-07-31 66.85 60.46 0.6 92.4
2026-07-30 64.57 33.16 0.42 64.4
2026-07-29 65.84 43.74 0.49 84
2026-07-28 65 49.98 0.53 86.8
2026-07-27 62.76 40.78 0.47 79.12
2026-07-24 61.44 41.82 0.48 81.6
2026-07-23 59.98 41.22 0.47 80.8
2026-07-22 60.72 91.78 0.82 99.2
2026-07-21 60.66 87.77 0.79 98.8
2026-07-20 62.68 42.06 0.48 83.13
2026-07-17 62.88 36 0.44 72
2026-07-16 64.41 27.15 0.38 50
2026-07-15 62.06 31.53 0.41 61.6
2026-07-14 62.08 35.67 0.44 71.2
2026-07-13 63.59 24.81 0.36 44.58