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Vanguard S&P Small-Cap 600 Growth VIOG 141.21 0.71 0.5%

VIOG Historical Options Analysis

Explore VIOG (Vanguard S&P Small-Cap 600 Growth) 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

VIOG / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.03
12.64
Mean
13.07
Window
+375.2%
ATM IV z -0.61
0.18
Mean
0.28
Window
-6.6%
IV Percentile z -1.83
1.59
Mean
51.93
Window
-94.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.82 0.56
ATM IV 0.82 1.00 0.67
IV Percent... 0.56 0.67 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 141.21 12.64 0.18 1.59
2026-09-18 140.5 12.46 0.17 0.79
2026-09-17 140.87 13.3 0.18 3.57
2026-09-16 140.72 13.45 0.18 3.57
2026-09-15 140.47 14.1 0.19 8.33
2026-09-14 141.74 13.62 0.19 4.78
2026-09-11 143.22 14.27 0.19 9.52
2026-09-10 142.59 14.1 0.19 7.94
2026-09-09 143.84 14.35 0.2 9.52
2026-09-08 145.81 13.76 0.19 5.95
2026-09-07 146.38 13.12 0.18 2.79
2026-09-04 146.38 12.72 0.18 1.59
2026-09-03 146.29 13 0.18 1.98
2026-09-02 145.36 13.53 0.19 2.38
2026-09-01 144.09 14.05 0.19 5.58
2026-08-31 145.82 13.75 0.19 4
2026-08-28 147.05 14.03 0.19 4.78
2026-08-27 148.92 15.15 0.2 16.73
2026-08-26 149.14 14.43 0.2 7.97
2026-08-25 148.97 15.15 0.2 15.54
2026-08-24 149.01 14.91 0.2 12.8
2026-08-21 149.58 16.1 0.22 30.28
2026-08-20 148.67 16.49 0.22 39.44
2026-08-19 150.47 16.29 0.22 35.46
2026-08-18 150.66 17.36 0.23 51.79
2026-08-17 153.28 14.7 0.2 9.6
2026-08-14 153.51 16.92 0.22 47.41
2026-08-13 152.41 14.53 0.2 8.76
2026-08-12 152.27 14.23 0.19 5.58
2026-08-11 151.61 16.77 0.22 44.22
2026-08-10 151.24 16.22 0.22 34.8
2026-08-07 152.15 15.91 0.21 30.68
2026-08-06 151.1 17.18 0.23 49.4
2026-08-05 152.58 16.11 0.22 33.47
2026-08-04 153.98 15.14 0.2 13.94
2026-08-03 150.99 14.78 0.2 9.2
2026-07-31 148.36 15.45 0.21 18.73
2026-07-30 148.78 15.16 0.2 13.94
2026-07-29 146.22 22.03 0.28 80.48
2026-07-28 148.82 15.31 0.21 15.94
2026-07-27 148.41 18.12 0.24 60
2026-07-24 147.34 16.84 0.22 46.22
2026-07-23 147.69 15.67 0.21 22.71
2026-07-22 148.03 19.63 0.26 73.31
2026-07-21 149.39 15.39 0.21 18.33
2026-07-20 147.71 17.5 0.23 53.6
2026-07-17 148.53 16.42 0.22 41.43
2026-07-16 149.59 14.38 0.2 7.17
2026-07-15 149.58 71.07 0.85 98.41
2026-07-14 148.86 26.51 0.34 84.86