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iShares Top 20 U TOPT 35.21 0.73 2.11%

TOPT Historical Options Analysis

Explore TOPT (iShares Top 20 U) 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

TOPT / Comparative study

3 signals / 478 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -1.22
0.1
Mean
17.51
Window
--
ATM IV z -1.31
0.15
Mean
0.24
Window
-28.9%
IV Percentile z -1.70
0.39
Mean
50.16
Window
-99.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.92 0.79
ATM IV 0.92 1.00 0.82
IV Percent... 0.79 0.82 1.00
Source observations

Data inspector

1-50 of 478
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-09-21 35.21 0.1 0.15 0.39
2026-09-18 34.48 8.94 0.2 26.17
2026-09-17 34.34 7.22 0.19 18.75
2026-09-16 33.75 12.21 0.23 46.09
2026-09-15 33.76 13.1 0.23 50
2026-09-14 33.85 7.37 0.19 19.61
2026-09-11 34.06 5 0.18 8.2
2026-09-10 33.78 9.34 0.21 28.52
2026-09-09 33.92 6.13 0.19 13.67
2026-09-08 33.92 3.73 0.17 3.52
2026-09-07 34.1 8.78 0.2 25.1
2026-09-04 34.03 7.05 0.19 19.14
2026-09-03 34.19 7.51 0.2 20.7
2026-09-02 33.77 5.92 0.19 13.28
2026-09-01 33.51 5.59 0.18 10.59
2026-08-31 33.64 12.57 0.23 46.85
2026-08-28 33.62 8.46 0.2 23.53
2026-08-27 33.65 7.4 0.2 20.39
2026-08-26 33.19 7 0.19 19.22
2026-08-25 33.32 5.98 0.19 14.51
2026-08-24 33.12 11.38 0.22 40.55
2026-08-21 33.33 11.79 0.22 43.53
2026-08-20 33.26 24.38 0.3 84.31
2026-08-19 33.58 5.75 0.18 14.51
2026-08-18 33.53 7.16 0.19 21.57
2026-08-17 33.79 9.26 0.21 28.74
2026-08-14 33.92 10.7 0.22 36.08
2026-08-13 34.01 11.23 0.22 40
2026-08-12 33.77 9.59 0.21 30.2
2026-08-11 33.67 10.33 0.21 33.73
2026-08-10 33.96 3.76 0.17 6.69
2026-08-07 34.06 5.37 0.18 13.33
2026-08-06 33.9 9.73 0.21 31.76
2026-08-05 33.85 10.53 0.21 35.29
2026-08-04 33.9 14.93 0.24 56.47
2026-08-03 33.22 9.2 0.21 30.71
2026-07-31 32.67 14.12 0.24 53.33
2026-07-30 32.44 19.28 0.27 70.2
2026-07-29 31.82 18.43 0.27 68.63
2026-07-28 32.35 26.3 0.32 88.24
2026-07-27 32.37 10.06 0.21 33.86
2026-07-24 32.53 22.82 0.28 76.47
2026-07-23 32.58 16.81 0.25 59.61
2026-07-22 33.35 12.2 0.22 37.65
2026-07-21 33.36 10.45 0.2 30.59
2026-07-20 32.94 11.3 0.21 33.86
2026-07-17 32.93 13.64 0.22 46.67
2026-07-16 33.31 15.88 0.24 57.25
2026-07-15 33.78 10.48 0.2 31.76
2026-07-14 33.53 10.03 0.2 29.8