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Otter Tail Corp OTTR 89.03 0.81 0.92%

Previous-day view · Wed Sep 16 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

OTTR / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.09
25.68
Mean
27.54
Window
-74.3%
ATM IV z -0.92
0.25
Mean
0.39
Window
-63.3%
IV Percentile z -0.49
28.68
Mean
43.6
Window
-71.3%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.74 0.82
ATM IV 0.74 1.00 0.89
IV Percent... 0.82 0.89 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-16 89.03 25.68 0.25 28.68
2026-09-15 88.22 24.29 0.24 24.81
2026-09-14 87.61 22.11 0.22 16.34
2026-09-11 88.06 20.38 0.21 12.02
2026-09-10 87.93 20.24 0.21 11.63
2026-09-09 89.57 22.25 0.23 15.89
2026-09-08 90.14 22.25 0.23 15.5
2026-09-07 89.79 23.47 0.23 19.46
2026-09-04 89.79 21.58 0.22 14.34
2026-09-03 89.27 22.07 0.22 14.73
2026-09-02 88.88 20.72 0.21 13.18
2026-09-01 89.59 19.62 0.21 8.56
2026-08-31 90.47 23.93 0.24 19.92
2026-08-28 90.84 19.62 0.21 8.56
2026-08-27 91.68 19.12 0.2 7
2026-08-26 92.33 18.03 0.19 4.67
2026-08-25 91.33 19.96 0.21 8.95
2026-08-24 92.05 20.49 0.21 10.16
2026-08-21 90.86 19.72 0.21 7.78
2026-08-20 92.04 22.75 0.23 13.62
2026-08-19 92.34 17.78 0.19 4.28
2026-08-18 91.22 21.01 0.22 10.51
2026-08-17 92.63 18.4 0.2 4.69
2026-08-14 92.87 19.42 0.2 5.84
2026-08-13 92.87 19.44 0.2 5.84
2026-08-12 92.14 17.71 0.19 3.89
2026-08-11 94.28 18.97 0.2 5.06
2026-08-10 92.37 18.66 0.2 4.69
2026-08-07 93.79 17.63 0.19 3.5
2026-08-06 93.05 20.16 0.21 5.84
2026-08-05 92.9 20.93 0.22 7
2026-08-04 92.82 0 0.06 0
2026-08-03 90.16 42.52 0.4 81.25
2026-07-31 88.42 39.08 0.37 73.93
2026-07-30 89.4 32.89 0.33 59.14
2026-07-29 90.77 33.31 0.33 59.92
2026-07-28 93.59 46.01 0.42 82.88
2026-07-27 92.07 34.44 0.34 62.5
2026-07-24 92.34 33.08 0.33 59.14
2026-07-23 92.21 30.85 0.32 52.53
2026-07-22 92.76 29.59 0.31 49.81
2026-07-21 90.57 26.3 0.28 32.3
2026-07-20 91.32 32.77 0.33 57.42
2026-07-17 92.83 27.59 0.29 38.91
2026-07-16 93.26 32.48 0.33 56.03
2026-07-15 90.18 34.31 0.34 59.53
2026-07-14 90.09 30.72 0.31 51.75
2026-07-13 89.06 29.45 0.31 48.44
2026-07-10 88.96 23.6 0.26 23.74
2026-07-09 87.85 27.23 0.29 37.35