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Knife River Corporation KNF 55.41 0.97 1.78%

KNF Historical Options Analysis

Explore KNF (Knife River Corporation) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.

Previous-day view · Mon Sep 21 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

KNF / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.18
36.76
Mean
39.55
Window
-10.5%
ATM IV z 0.29
0.49
Mean
0.47
Window
+2.3%
IV Percentile z -0.37
47.81
Mean
57.36
Window
-38.4%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.94 0.92
ATM IV 0.94 1.00 0.89
IV Percent... 0.92 0.89 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 55.41 36.76 0.49 47.81
2026-09-18 54.44 28.58 0.45 26.98
2026-09-17 54.49 21.06 0.41 10.32
2026-09-16 55.62 21.37 0.41 10.32
2026-09-15 56.56 38.52 0.5 52.78
2026-09-14 56.47 26.61 0.44 18.33
2026-09-11 57.63 28.68 0.45 27.38
2026-09-10 57.18 26.72 0.44 20.24
2026-09-09 57.97 39.27 0.51 55.95
2026-09-08 61.43 47.91 0.55 81.35
2026-09-07 61.83 40.06 0.51 59.36
2026-09-04 61.83 36.56 0.49 49.6
2026-09-03 62.13 28.01 0.44 27.38
2026-09-02 61.24 27.14 0.44 23.81
2026-09-01 61.8 31.61 0.46 35.46
2026-08-31 62.7 46.36 0.54 78.8
2026-08-28 64.24 27.06 0.44 24.3
2026-08-27 66.57 6.3 0.32 0.4
2026-08-26 66.8 21.56 0.41 14.74
2026-08-25 65.8 35.95 0.49 48.21
2026-08-24 63.66 13.29 0.36 4.4
2026-08-21 66.17 27.42 0.42 18.73
2026-08-20 65.96 30.14 0.44 25.1
2026-08-19 65.78 31.6 0.45 29.88
2026-08-18 65.45 27.15 0.42 19.52
2026-08-17 66.65 26.37 0.42 18.4
2026-08-14 66.4 36.48 0.48 41.43
2026-08-13 65.92 29.72 0.44 25.1
2026-08-12 67.42 33.42 0.46 34.26
2026-08-11 68.15 34.5 0.46 37.05
2026-08-10 67.52 35.71 0.47 38.8
2026-08-07 66.8 44.82 0.52 68.92
2026-08-06 67.51 42.32 0.51 60.16
2026-08-05 67.79 51.91 0.56 85.26
2026-08-04 69.51 45.94 0.53 72.11
2026-08-03 78.84 68.18 0.66 96.4
2026-07-31 73.17 57.5 0.59 92.83
2026-07-30 73.05 54.24 0.58 92.03
2026-07-29 76.22 53.2 0.57 90.04
2026-07-28 79 52.65 0.57 88.84
2026-07-27 78.54 53.2 0.57 90
2026-07-24 78.06 53.73 0.57 91.24
2026-07-23 77.65 52.14 0.56 88.05
2026-07-22 79.51 58.38 0.6 93.23
2026-07-21 79.41 49.46 0.55 83.27
2026-07-20 78.57 61.5 0.62 94.8
2026-07-17 81.71 57.85 0.6 93.63
2026-07-16 83.58 47.34 0.54 79.68
2026-07-15 82.29 38.45 0.49 50.6
2026-07-14 80.06 43.82 0.52 70.12