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Cboe Global Markets CBOE 281.04 -6.45 -2.24%

Previous-day view · Fri Sep 11 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

CBOE / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.54
56.84
Mean
43.82
Window
-2.7%
ATM IV z 1.90
0.37
Mean
0.26
Window
+67.1%
IV Percentile z 0.73
86.06
Mean
64.3
Window
+11.2%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.79 0.85
ATM IV 0.79 1.00 0.71
IV Percent... 0.85 0.71 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 281.04 56.84 0.37 86.06
2026-09-10 287.49 52.63 0.35 83.67
2026-09-09 291.87 51.68 0.35 82.47
2026-09-08 293.33 52.81 0.35 84.06
2026-09-07 298.38 51.74 0.35 83.2
2026-09-04 298.38 48.03 0.34 78.49
2026-09-03 298.5 51.14 0.35 83.27
2026-09-02 294.12 45.8 0.33 76.1
2026-09-01 307.62 45.79 0.33 76
2026-08-31 300.2 48.95 0.34 79.92
2026-08-28 310.45 36.69 0.3 71.2
2026-08-27 313.95 43.69 0.32 75.2
2026-08-26 312.19 44.83 0.32 75.6
2026-08-25 308.82 49.5 0.34 81.2
2026-08-24 308.09 46.8 0.33 78.71
2026-08-21 300.74 49.54 0.34 81.6
2026-08-20 294.11 51.76 0.35 83.6
2026-08-19 280.75 59.86 0.38 88
2026-08-18 290.99 48.32 0.34 81.2
2026-08-17 295 46.75 0.33 79.92
2026-08-14 296.14 45.26 0.33 78.8
2026-08-13 293.08 49.77 0.34 82.8
2026-08-12 290.98 47.78 0.34 81.6
2026-08-11 282.73 49.02 0.34 82.4
2026-08-10 285.02 52.23 0.35 84.34
2026-08-07 286.58 49.21 0.34 83.2
2026-08-06 289.17 54 0.36 85.2
2026-08-05 284.76 54.72 0.36 86
2026-08-04 288.42 60.23 0.38 88.4
2026-08-03 297.83 53.64 0.36 85.94
2026-07-31 310.23 59.19 0.38 88
2026-07-30 296.52 76.89 0.44 99.2
2026-07-29 307.81 100 0.52 100
2026-07-28 297.39 97.03 0.43 98
2026-07-27 288.87 98.43 0.44 99.6
2026-07-24 285.07 87.13 0.4 92.8
2026-07-23 284.86 92.47 0.42 97.6
2026-07-22 281.8 79.44 0.38 91.2
2026-07-21 274.4 94.52 0.43 98
2026-07-20 278.21 89.03 0.41 95.98
2026-07-17 273.41 97.65 0.43 98.8
2026-07-16 277.89 98.42 0.44 99.6
2026-07-15 277.11 86.04 0.4 94.8
2026-07-14 274.98 81.34 0.39 93.6
2026-07-13 277.13 89.78 0.41 97.59
2026-07-10 268.07 83.49 0.39 94.8
2026-07-09 267.85 87.39 0.41 96
2026-07-08 264.98 91.27 0.42 98.8
2026-07-07 258.64 89.42 0.41 98
2026-07-02 248.99 85.81 0.4 96.41