Pre-market
⌘K
Sign in Sign up

CHEGG CHGG 0.74 -0.02 -2.7%

Previous-day view · Tue Sep 15 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

CHGG / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.13
23.6
Mean
26.66
Window
-52.1%
ATM IV z 1.13
2.4
Mean
1.65
Window
+154.4%
IV Percentile z 0.70
87.35
Mean
71.61
Window
+5.0%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.05 0.52
ATM IV 0.05 1.00 0.44
IV Percent... 0.52 0.44 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-15 0.74 23.6 2.4 87.35
2026-09-14 0.76 21.87 2.3 84.92
2026-09-11 0.73 21.44 2.27 76.68
2026-09-10 0.73 23.86 2.41 87.75
2026-09-09 0.76 20.24 2.2 76.28
2026-09-08 0.8 18.31 2.09 71.94
2026-09-07 0.84 19.91 2.18 75.79
2026-09-04 0.85 17.93 2.07 71.54
2026-09-03 0.98 18.12 2.08 72.33
2026-09-02 0.83 14.19 1.86 63.24
2026-09-01 0.79 15.92 1.95 67.86
2026-08-31 0.84 14.21 1.86 64.14
2026-08-28 0.84 10.7 1.66 44.84
2026-08-27 0.8 12.55 1.76 54.76
2026-08-26 0.79 13.67 1.83 59.92
2026-08-25 0.79 13.2 1.8 57.54
2026-08-24 0.8 11.72 1.71 50.2
2026-08-21 0.82 8.89 1.55 39.68
2026-08-20 0.75 13.64 1.82 59.52
2026-08-19 0.76 13.76 1.83 61.9
2026-08-18 0.76 11.62 1.71 50.79
2026-08-17 0.77 12.59 1.76 56.57
2026-08-14 0.79 8.85 1.55 41.27
2026-08-13 0.8 7.31 1.46 34.52
2026-08-12 0.8 7.82 1.49 36.51
2026-08-11 0.84 8.77 1.55 41.27
2026-08-10 0.85 6.12 1.39 27.89
2026-08-07 0.92 2.13 1.16 3.57
2026-08-06 0.88 14.08 1.85 63.89
2026-08-05 1.03 4.99 1.33 21.83
2026-08-04 1.03 1.98 1.16 3.17
2026-08-03 1.02 13.73 1.83 62.15
2026-07-31 0.98 17.42 2.04 69.84
2026-07-30 1.05 11.71 1.71 52.38
2026-07-29 1.04 10.49 1.64 47.22
2026-07-28 1.08 9.74 1.6 45.24
2026-07-27 0.99 11.98 1.73 53.78
2026-07-24 0.96 11.82 1.72 52.38
2026-07-23 0.97 12.48 1.76 55.56
2026-07-22 0.89 17.63 2.05 70.24
2026-07-21 0.93 14.52 1.87 64.29
2026-07-20 0.87 18.09 2.08 72.11
2026-07-17 0.82 19.93 2.18 76.19
2026-07-16 0.78 22.89 2.35 86.51
2026-07-15 0.84 19.31 2.15 76.19
2026-07-14 0.82 19.05 2.13 75.79
2026-07-13 0.85 17.05 2.02 71.71
2026-07-10 0.85 14.97 1.9 68.25
2026-07-09 0.89 13.07 1.79 60.71
2026-07-08 0.9 12.37 1.75 59.13