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Nasdaq NDAQ 91.8 -0.21 -0.23%

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

NDAQ / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.13
36.12
Mean
33.43
Window
+8.6%
ATM IV z 0.62
0.28
Mean
0.25
Window
+43.7%
IV Percentile z 0.07
61.75
Mean
59.74
Window
+92.1%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.70 0.79
ATM IV 0.70 1.00 0.81
IV Percent... 0.79 0.81 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 91.8 36.12 0.28 61.75
2026-09-10 92.01 33.53 0.27 54.98
2026-09-09 94.22 33.19 0.27 53.39
2026-09-08 95.04 33.54 0.27 55.38
2026-09-07 96.38 27.9 0.25 38
2026-09-04 96.88 28.93 0.25 42.23
2026-09-03 98.71 28.61 0.25 40.64
2026-09-02 95.72 29.94 0.26 45.42
2026-09-01 97.54 30.37 0.26 46.4
2026-08-31 98.61 30.1 0.26 45.78
2026-08-28 99.31 28.84 0.25 43.2
2026-08-27 99.35 15.19 0.19 12.4
2026-08-26 99.47 25.07 0.24 34.8
2026-08-25 98.73 29.15 0.25 43.6
2026-08-24 98.79 29.66 0.25 44.98
2026-08-21 98.22 23.42 0.23 32.4
2026-08-20 97.55 28.75 0.25 44
2026-08-19 96.35 33.43 0.27 54.8
2026-08-18 96.71 27.95 0.25 42.4
2026-08-17 96.68 33.85 0.27 55.82
2026-08-14 97.02 26.93 0.24 40
2026-08-13 97.59 31.5 0.26 50
2026-08-12 95.66 27.07 0.24 41.2
2026-08-11 95.02 32.99 0.27 54
2026-08-10 95.62 36.21 0.28 61.85
2026-08-07 94.59 28.27 0.25 44.8
2026-08-06 94.7 35.63 0.28 61.6
2026-08-05 94.56 39.6 0.3 68
2026-08-04 93.62 40.96 0.3 72
2026-08-03 94.14 49.35 0.34 88.35
2026-07-31 94.19 33.99 0.27 58.4
2026-07-30 95.16 43.6 0.31 78
2026-07-29 95.55 45.66 0.32 83.2
2026-07-28 95.96 45.19 0.32 82.8
2026-07-27 93.94 49.47 0.34 88.76
2026-07-24 92.09 47.3 0.33 86.4
2026-07-23 90.42 40.34 0.3 73.2
2026-07-22 90.9 54.28 0.36 97.2
2026-07-21 90.24 52.69 0.35 94.8
2026-07-20 91.87 53.47 0.35 96.39
2026-07-17 91.64 51.01 0.34 94
2026-07-16 94.25 52.58 0.35 95.2
2026-07-15 91.36 52.08 0.35 95.2
2026-07-14 88.01 49.32 0.34 91.2
2026-07-13 89.21 45.18 0.32 86.35
2026-07-10 88.08 50.14 0.34 93.2
2026-07-09 87.52 50.88 0.34 94.8
2026-07-08 84.39 49.5 0.34 92.4
2026-07-07 86.43 49.88 0.34 93.6
2026-07-02 84.66 52.89 0.35 95.62