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Vanguard Morningstar Mid-Cap ETF VO 80.54 0.54 0.68%

VO Historical Options Analysis

Explore VO (Vanguard Morningstar Mid-Cap 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

VO / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.12
28.83
Mean
31.25
Window
-12.5%
ATM IV z -0.38
0.16
Mean
0.17
Window
+7.1%
IV Percentile z -0.64
37.05
Mean
55.66
Window
-31.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.72 0.77
ATM IV 0.72 1.00 0.77
IV Percent... 0.77 0.77 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 80.54 28.83 0.16 37.05
2026-09-18 80 36.53 0.17 53.17
2026-09-17 80.15 52.6 0.19 81.35
2026-09-16 79.54 40.42 0.17 62.7
2026-09-15 80.05 61.46 0.21 88.49
2026-09-14 80.61 31.64 0.16 42.23
2026-09-11 81.03 40.65 0.17 63.49
2026-09-10 80.4 57.82 0.2 86.51
2026-09-09 81.14 43.84 0.18 70.63
2026-09-08 81.81 32.94 0.16 47.62
2026-09-07 82.28 16.34 0.14 9.96
2026-09-04 82.28 13.26 0.13 5.16
2026-09-03 82.45 18.23 0.14 14.29
2026-09-02 81.62 32.6 0.16 46.03
2026-09-01 81.3 46.82 0.18 75.7
2026-08-31 82.06 36.55 0.17 56
2026-08-28 82.5 15.27 0.13 7.57
2026-08-27 83.09 3.53 0.12 1.2
2026-08-26 83.12 12.39 0.13 3.98
2026-08-25 82.79 25.76 0.15 31.08
2026-08-24 82.8 45.8 0.18 73.6
2026-08-21 82.97 19.55 0.14 15.54
2026-08-20 82.53 16.41 0.14 9.16
2026-08-19 83.07 18.8 0.14 13.94
2026-08-18 83.11 36.19 0.17 56.57
2026-08-17 84.06 10.38 0.13 2.8
2026-08-14 84.46 10.4 0.13 2.79
2026-08-13 84.24 13.4 0.13 3.59
2026-08-12 83.57 15.2 0.13 5.18
2026-08-11 83.09 13.03 0.13 3.19
2026-08-10 82.73 66.73 0.21 93.2
2026-08-07 82.69 10.31 0.13 2.39
2026-08-06 82.14 27.58 0.15 35.06
2026-08-05 82.56 24.96 0.15 27.09
2026-08-04 82.89 16.96 0.14 7.57
2026-08-03 81.78 2.38 0.11 0.8
2026-07-31 80.95 25.64 0.15 28.29
2026-07-30 80.99 27.79 0.15 34.26
2026-07-29 80.62 63.73 0.21 90.44
2026-07-28 81.35 36.11 0.17 55.78
2026-07-27 81.01 65.07 0.21 91.2
2026-07-24 80.55 30.57 0.16 42.23
2026-07-23 80.32 32.56 0.16 46.61
2026-07-22 80.49 33.43 0.16 50.6
2026-07-21 80.47 29.18 0.16 39.84
2026-07-20 79.92 38.05 0.17 58.4
2026-07-17 80.24 17.78 0.14 9.16
2026-07-16 80.61 57.3 0.2 87.65
2026-07-15 80.45 34.63 0.16 54.98
2026-07-14 80.84 34.65 0.16 55.38