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Cogent Communications Holdings CCOI 8.67 -0.57 -6.22%

Previous-day view · Wed Sep 16 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

CCOI / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -1.05
20.28
Mean
43.75
Window
-36.8%
ATM IV z 0.87
0.95
Mean
0.69
Window
+191.3%
IV Percentile z -0.53
59.69
Mean
72.21
Window
+40.8%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.24 0.72
ATM IV 0.24 1.00 0.54
IV Percent... 0.72 0.54 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-16 8.67 20.28 0.95 59.69
2026-09-15 9.24 18.88 0.92 50.78
2026-09-14 9.32 19.04 0.92 52.53
2026-09-11 9.33 17 0.88 39.15
2026-09-10 9.09 20.17 0.94 57.75
2026-09-09 9.33 20.36 0.95 60.47
2026-09-08 9.64 21.32 0.97 67.44
2026-09-07 9.93 18.33 0.9 48.64
2026-09-04 10.05 16.27 0.86 34.88
2026-09-03 9.98 21.28 0.97 67.44
2026-09-02 10.22 26.28 1.07 76.74
2026-09-01 9.01 20.48 0.95 61.87
2026-08-31 9.54 14.49 0.83 28.91
2026-08-28 9.48 17.63 0.87 38.91
2026-08-27 9.67 16.45 0.85 32.68
2026-08-26 10.05 17.05 0.86 35.8
2026-08-25 9.88 16.53 0.85 33.46
2026-08-24 9.49 17.66 0.87 39.06
2026-08-21 9.17 15.02 0.82 28.02
2026-08-20 10.01 17.39 0.87 37.74
2026-08-19 10.37 29.59 1.12 88.33
2026-08-18 10.13 20.96 0.94 59.53
2026-08-17 10.75 17.93 0.88 41.41
2026-08-14 11.31 18.09 0.88 43.19
2026-08-13 10.35 18.76 0.89 47.47
2026-08-12 10.25 18.47 0.89 46.3
2026-08-11 10.82 15.49 0.83 33.85
2026-08-10 10.3 19.99 0.92 55.47
2026-08-07 9.92 18.9 0.87 42.02
2026-08-06 10.91 18.57 0.86 40.47
2026-08-05 12.87 36.31 1.24 96.11
2026-08-04 13.3 32.15 1.15 91.83
2026-08-03 13.23 36.79 1.25 98.05
2026-07-31 13.5 37.3 1.26 98.83
2026-07-30 13.24 39.75 1.31 99.61
2026-07-29 12.69 36.7 1.25 98.83
2026-07-28 12.95 36.54 1.24 98.44
2026-07-27 12.22 32.9 1.17 95.7
2026-07-24 11.87 35.13 1.21 97.67
2026-07-23 12.9 36.67 1.25 98.83
2026-07-22 12.93 33.59 1.18 97.67
2026-07-21 12.7 33.98 1.19 98.05
2026-07-20 12.4 32.69 1.16 97.27
2026-07-17 10.97 32.94 1.17 97.67
2026-07-16 11.71 26.66 1.03 78.21
2026-07-15 12.52 32.13 1.15 96.5
2026-07-14 12.25 32.66 1.16 97.67
2026-07-13 12.93 29.46 1.09 85.16
2026-07-10 12.61 27.9 1.05 80.54
2026-07-09 12.64 28.65 1.06 82.1