Closed
⌘K
Sign in Sign up

Aehr Test Systems AEHR 93.8 3.25 3.59%

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

AEHR / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.65
34.62
Mean
52.49
Window
-46.5%
ATM IV z 0.01
1.03
Mean
1.03
Window
+12.3%
IV Percentile z -1.39
27.49
Mean
66.11
Window
-65.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.89 0.93
ATM IV 0.89 1.00 0.79
IV Percent... 0.93 0.79 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 93.8 34.62 1.03 27.49
2026-09-17 90.55 38.44 1.06 34.26
2026-09-16 84.25 40.59 1.08 38.65
2026-09-15 81.58 44.41 1.11 43.03
2026-09-14 83.37 48.5 1.15 47.6
2026-09-11 94.69 43.07 1.1 41.04
2026-09-10 93.81 51.51 1.17 48.61
2026-09-09 95.56 48.72 1.15 47.01
2026-09-08 90.79 48.2 1.15 46.61
2026-09-07 86.98 44 1.11 41.6
2026-09-04 86.26 37.87 1.06 32.27
2026-09-03 76.27 32.09 1.01 22.71
2026-09-02 80.24 33.33 1.02 23.9
2026-09-01 76.59 31.41 1 22.4
2026-08-31 79.27 29.67 0.99 20.48
2026-08-28 80.81 27.15 0.97 16.8
2026-08-27 90.46 33.57 1.02 24.8
2026-08-26 91.12 35.09 1.03 27.6
2026-08-25 95.59 38.15 1.06 32.4
2026-08-24 96.43 38.49 1.06 32.93
2026-08-21 101.73 38.11 1.06 32.8
2026-08-20 105.97 44.56 1.12 41.6
2026-08-19 107.96 47.5 1.14 44.4
2026-08-18 123.25 52.59 1.18 47.6
2026-08-17 145.61 52.53 1.18 47.39
2026-08-14 134.06 52.91 1.19 48.4
2026-08-13 123.3 48.02 1.14 46
2026-08-12 129.23 52.23 1.18 48
2026-08-11 117.18 46.2 1.13 46
2026-08-10 106.2 55.05 1.2 51.41
2026-08-07 103.07 49.79 1.16 47.2
2026-08-06 99.74 66.36 1.3 67.2
2026-08-05 98.78 64.47 1.29 63.6
2026-08-04 109.89 67.1 1.31 67.6
2026-08-03 91.71 69.42 1.33 71.08
2026-07-31 79.98 67.18 1.31 68.4
2026-07-30 76.87 85.16 1.46 89.2
2026-07-29 65.4 77.26 1.39 83.6
2026-07-28 70 72.85 1.36 78.8
2026-07-27 77.48 77.45 1.4 83.94
2026-07-24 76.32 74.67 1.37 82
2026-07-23 88.51 78.36 1.4 85.2
2026-07-22 93.54 81.17 1.43 88
2026-07-21 98.91 78 1.4 85.6
2026-07-20 77.36 75.78 1.38 84.34
2026-07-17 81.05 71.34 1.33 77.6
2026-07-16 84.2 68.79 1.31 73.2
2026-07-15 87.79 70.58 1.33 75.6
2026-07-14 72.01 91.72 1.52 96.4
2026-07-13 68.02 90.62 1.51 95.98