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HEICO Corporation HEI 316.0 3.51 1.12%

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

HEI / Comparative study

3 signals / 510 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.63
21.98
Mean
36.86
Window
-54.8%
ATM IV z -0.66
0.26
Mean
0.31
Window
+5.9%
IV Percentile z -1.70
16.6
Mean
65.46
Window
-79.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.48 0.74
ATM IV 0.48 1.00 0.71
IV Percent... 0.74 0.71 1.00
Source observations

Data inspector

1-50 of 510
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 316 21.98 0.26 16.6
2026-09-10 312.49 27.54 0.28 26.25
2026-09-09 312.32 28.05 0.28 26.64
2026-09-08 316.1 24.92 0.27 22.78
2026-09-07 325.48 27.41 0.28 26.36
2026-09-04 325.48 24.8 0.27 23.17
2026-09-03 325.7 23.69 0.27 22.01
2026-09-02 322.9 22.48 0.26 20.85
2026-09-01 325.15 23.74 0.27 22.09
2026-08-31 331.15 26.98 0.28 25.68
2026-08-28 336.53 28.46 0.28 27.13
2026-08-27 337.01 26.03 0.27 25.58
2026-08-26 346.15 25.72 0.27 25.19
2026-08-25 351.05 62.19 0.4 89.15
2026-08-24 352.67 68.7 0.42 94.55
2026-08-21 355.04 62.54 0.4 89.92
2026-08-20 350.58 63.69 0.41 91.86
2026-08-19 363.42 63.17 0.4 91.86
2026-08-18 368.01 61.59 0.4 90.31
2026-08-17 371.28 59.8 0.39 87.94
2026-08-14 374.67 57.93 0.39 86.82
2026-08-13 371.56 58.41 0.39 87.21
2026-08-12 373.1 59.02 0.39 87.98
2026-08-11 366.92 56.72 0.38 86.82
2026-08-10 363.94 64.52 0.41 92.61
2026-08-07 367.58 60.15 0.39 88.76
2026-08-06 363.29 62.65 0.4 91.47
2026-08-05 366.8 65.05 0.41 93.02
2026-08-04 367.66 69.49 0.43 95.35
2026-08-03 360.44 44.56 0.34 62.26
2026-07-31 356.36 46.81 0.35 69.77
2026-07-30 354.17 41.08 0.33 51.55
2026-07-29 355.23 44.12 0.34 60.47
2026-07-28 363.44 37.39 0.31 41.47
2026-07-27 357.15 38.16 0.32 42.41
2026-07-24 349.61 40.51 0.32 50
2026-07-23 340.54 44.35 0.34 62.4
2026-07-22 335.24 42.63 0.33 57.75
2026-07-21 340.4 44.57 0.34 63.18
2026-07-20 340.44 45.08 0.34 65.76
2026-07-17 342.66 24.87 0.33 59.3
2026-07-16 344.03 24.48 0.33 58.14
2026-07-15 351.59 25.47 0.34 62.02
2026-07-14 345.61 24.25 0.33 56.59
2026-07-13 344.11 25.76 0.34 63.04
2026-07-10 350.92 23.13 0.32 50.39
2026-07-09 352.13 25.31 0.34 59.69
2026-07-08 347.78 25.73 0.34 62.02
2026-07-07 358.02 24.05 0.33 55.43
2026-07-02 362.09 22.79 0.32 49.81