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iShares MSCI South Korea ETF EWY 189.65 8.34 4.6%

EWY Historical Options Analysis

Explore EWY (iShares MSCI South Korea ETF) 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

EWY / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.48
32.5
Mean
46.04
Window
+84.4%
ATM IV z 0.29
0.46
Mean
0.41
Window
+115.4%
IV Percentile z -1.74
33.6
Mean
74.96
Window
-21.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.83 0.73
ATM IV 0.83 1.00 0.48
IV Percent... 0.73 0.48 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 189.65 32.5 0.46 33.6
2026-09-18 181.31 29.32 0.44 29.13
2026-09-17 182.39 28.6 0.44 26.77
2026-09-16 175.54 32.17 0.46 33.86
2026-09-15 176.49 31.08 0.45 32.28
2026-09-14 176.22 35.09 0.48 36.76
2026-09-11 188.72 31.42 0.46 33.86
2026-09-10 182.78 33.82 0.47 35.83
2026-09-09 190.78 35.66 0.49 37.8
2026-09-08 189.91 37.13 0.5 39.76
2026-09-07 187.59 33.94 0.47 36.36
2026-09-04 188.87 31.8 0.46 35.43
2026-09-03 180.56 26.7 0.42 27.17
2026-09-02 178.86 26.87 0.42 27.56
2026-09-01 175.8 30.56 0.45 34.39
2026-08-31 180.86 25.98 0.41 27.38
2026-08-28 180.2 29.5 0.44 32.41
2026-08-27 182.14 31.78 0.46 35.18
2026-08-26 179.18 35.26 0.48 37.55
2026-08-25 180.15 36.83 0.49 39.13
2026-08-24 173.64 40.66 0.52 52.38
2026-08-21 178.34 35.93 0.49 39.13
2026-08-20 178.16 40.73 0.52 53.36
2026-08-19 174.43 40.35 0.52 52.57
2026-08-18 170.05 45.2 0.55 59.68
2026-08-17 185.1 42.42 0.53 56.35
2026-08-14 179.74 38.86 0.51 51.38
2026-08-13 178.62 42.5 0.53 56.92
2026-08-12 175.87 42.37 0.53 56.92
2026-08-11 167.24 39.35 0.51 52.57
2026-08-10 163.12 47.65 0.57 61.9
2026-08-07 166.09 51.44 0.6 63.64
2026-08-06 164.12 59.4 0.65 71.94
2026-08-05 169.14 68.8 0.72 79.45
2026-08-04 171.14 71.94 0.74 81.42
2026-08-03 160.24 73.7 0.75 82.14
2026-07-31 157.1 78.77 0.79 87.35
2026-07-30 161.21 70.85 0.73 81.82
2026-07-29 144.21 69.78 0.73 81.42
2026-07-28 151.45 70.41 0.73 81.82
2026-07-27 161.2 67.71 0.71 81.75
2026-07-24 162.96 66.23 0.7 80.24
2026-07-23 173.86 66.44 0.7 81.03
2026-07-22 170.43 75.31 0.77 83.79
2026-07-21 172.9 77.7 0.78 86.56
2026-07-20 162.86 80.41 0.8 88.1
2026-07-17 162.54 80.87 0.81 88.93
2026-07-16 163.36 78.44 0.79 88.14
2026-07-15 171.64 76.32 0.77 87.35
2026-07-14 176.98 75.51 0.77 86.17