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PLUS Korea Defense Industry Index KDEF 43.31 0.73 1.71%

KDEF Historical Options Analysis

Explore KDEF (PLUS Korea Defense Industry Index) 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

KDEF / Comparative study

3 signals / 338 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 1.05
44.23
Mean
22
Window
-55.8%
ATM IV z 0.19
0.73
Mean
0.68
Window
+44.4%
IV Percentile z 1.15
82.8
Mean
51.36
Window
-17.2%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.75 0.74
ATM IV 0.75 1.00 0.73
IV Percent... 0.74 0.73 1.00
Source observations

Data inspector

1-50 of 338
  • 1 / 7
Date Close IV Rank ATM IV IV Percentile
2026-09-21 43.31 44.23 0.73 82.8
2026-09-18 42.58 45.71 0.74 86.06
2026-09-17 44.06 35.37 0.65 62.95
2026-09-16 41.47 23.61 0.54 31.47
2026-09-15 42 11.08 0.51 18.33
2026-09-14 43.03 21.34 0.69 77.6
2026-09-11 43.12 19.19 0.65 64.54
2026-09-10 42.02 12.93 0.54 33.86
2026-09-09 42.62 19.95 0.66 69.72
2026-09-08 41.9 13.19 0.55 33.86
2026-09-07 41.5 18.57 0.64 60
2026-09-04 42.65 17.55 0.62 53.39
2026-09-03 41.85 4.61 0.4 2.79
2026-09-02 40.58 25.79 0.76 86.45
2026-09-01 40.57 23.59 0.73 80.4
2026-08-31 42.37 19.43 0.66 65.06
2026-08-28 43.75 21.94 0.7 76
2026-08-27 43.58 20.9 0.68 71.6
2026-08-26 42.72 23.25 0.72 78.8
2026-08-25 42.81 16.77 0.61 50
2026-08-24 41.4 11.5 0.52 30.12
2026-08-21 41.15 13.97 0.56 38.4
2026-08-20 43.77 13.49 0.55 35.6
2026-08-19 44.3 20.87 0.68 70.8
2026-08-18 42.71 24.77 0.75 82.4
2026-08-17 45.6 13.6 0.56 36.14
2026-08-14 45.01 14.38 0.57 41.2
2026-08-13 45.5 11.98 0.53 30.8
2026-08-12 45.77 37.26 0.96 95.6
2026-08-11 44.16 31.4 0.86 92
2026-08-10 44.95 33.25 0.89 92.77
2026-08-07 43.12 26.53 0.78 87.6
2026-08-06 42.01 22.25 0.7 76
2026-08-05 41.6 19.91 0.66 68.4
2026-08-04 42.15 21.2 0.69 74.4
2026-08-03 37.66 20.92 0.68 72.29
2026-07-31 35.52 32.94 0.89 92
2026-07-30 37.73 23.93 0.73 80.4
2026-07-29 33.58 36.1 0.94 93.6
2026-07-28 35.95 20.3 0.67 69.6
2026-07-27 36.32 19.93 0.66 69.08
2026-07-24 39.67 18.92 0.65 63.6
2026-07-23 40.42 19.42 0.66 65.6
2026-07-22 38.28 18.17 0.63 57.2
2026-07-21 37.51 16.68 0.61 49.2
2026-07-20 36.67 21.08 0.68 70.68
2026-07-17 37.93 15.45 0.64 58
2026-07-16 37.98 14.59 0.62 53.2
2026-07-15 37.6 15.06 0.63 54.4
2026-07-14 38.36 14.24 0.61 50.4