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Energy Recovery ERII 7.15 0.44 6.56%

Previous-day view · Fri Nov 6 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

ERII / Comparative study

3 signals / 492 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.47
23.27
Mean
30.7
Window
+528.9%
ATM IV z 0.08
0.62
Mean
0.6
Window
+122.0%
IV Percentile z -0.50
42.51
Mean
57.47
Window
+10527.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.80 0.83
ATM IV 0.80 1.00 0.84
IV Percent... 0.83 0.84 1.00
Source observations

Data inspector

1-50 of 492
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-06 7.15 23.27 0.62 42.51
2026-11-05 6.71 41.34 0.92 84.62
2026-11-04 7.17 24.97 0.64 46.48
2026-11-03 7.17 22.2 0.6 37.11
2026-11-02 7.18 53.25 1.11 98.04
2026-10-30 6.96 47.32 1.01 93.73
2026-10-29 7.12 46.8 1 93.7
2026-10-28 6.95 42.26 0.93 88.14
2026-10-27 6.86 41.84 0.92 87.75
2026-10-26 6.79 28.96 0.71 59.52
2026-10-23 6.68 28.49 0.7 58.5
2026-10-22 6.67 29.13 0.71 60.08
2026-10-21 6.65 29.97 0.72 62.45
2026-10-20 6.64 25.43 0.65 51.78
2026-10-19 6.66 32.42 0.77 70.63
2026-10-15 6.64 24.3 0.63 49.61
2026-10-14 6.71 25.72 0.65 52.76
2026-10-13 6.85 29.9 0.72 62.99
2026-10-12 6.87 26.55 0.67 55.73
2026-10-09 6.84 28.28 0.7 59.84
2026-10-08 6.84 27.58 0.69 57.09
2026-10-07 6.73 25.34 0.65 53.54
2026-10-06 7.08 27.88 0.69 59.45
2026-10-05 6.83 31.77 0.75 68.38
2026-10-02 6.77 23.75 0.62 50.79
2026-10-01 6.7 23.99 0.63 51.97
2026-09-30 6.67 37.37 0.85 79.92
2026-09-29 6.75 25.01 0.64 53.94
2026-09-28 6.72 28.67 0.7 61.26
2026-09-25 6.81 35.61 0.82 74.8
2026-09-24 6.83 18.71 0.54 37.55
2026-09-23 6.8 19.44 0.55 39.13
2026-09-22 7.12 22.41 0.6 46.64
2026-09-21 7.03 15.01 0.48 27.78
2026-09-18 6.99 31.11 0.74 66.8
2026-09-17 7.05 23.39 0.62 50.99
2026-09-16 7.1 23.44 0.62 51.38
2026-09-15 7.06 14.11 0.46 26.48
2026-09-14 7.09 14.7 0.47 28.17
2026-09-11 7.55 13.25 0.45 25.69
2026-09-10 7.27 8.04 0.36 11.86
2026-09-09 7.38 16.89 0.51 33.6
2026-09-08 7.7 11.03 0.41 23.72
2026-09-04 7.63 17.64 0.52 35.18
2026-09-03 7.65 22.7 0.6 48.62
2026-09-02 7.58 41.63 0.92 86.96
2026-09-01 7.73 20.15 0.56 42.06
2026-08-31 7.71 16.6 0.5 34.26
2026-08-28 7.77 23.37 0.62 51.59
2026-08-27 7.9 17.08 0.51 35.71