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Canadian National Railway CNI 119.49 -2.28 -1.87%

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

CNI / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.09
38.45
Mean
36.35
Window
-0.3%
ATM IV z 0.77
0.26
Mean
0.23
Window
+29.0%
IV Percentile z 0.76
82.47
Mean
60.65
Window
+20.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.69 0.88
ATM IV 0.69 1.00 0.75
IV Percent... 0.88 0.75 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-16 119.49 38.45 0.26 82.47
2026-09-15 121.77 15.73 0.2 14.74
2026-09-14 122.09 13.02 0.19 11.6
2026-09-11 122.25 16.98 0.2 16.33
2026-09-10 121.16 29.36 0.23 56.18
2026-09-09 121.84 10.51 0.18 6.77
2026-09-08 122.76 18.88 0.21 21.12
2026-09-07 123.37 32.51 0.24 66.8
2026-09-04 123.37 29.12 0.23 54.98
2026-09-03 123.17 0 0.16 0
2026-09-02 121.45 3.37 0.18 1.2
2026-09-01 120.42 12.05 0.2 13.6
2026-08-31 124.75 15.49 0.21 21.29
2026-08-28 126.01 7.59 0.19 7.6
2026-08-27 126.48 7.1 0.19 6.8
2026-08-26 127.54 12.74 0.2 15.2
2026-08-25 127.12 8.6 0.19 8.8
2026-08-24 127.4 4.9 0.18 3.21
2026-08-21 129.84 11.21 0.2 12
2026-08-20 128.23 6.46 0.18 4.8
2026-08-19 127.64 9.88 0.19 10.4
2026-08-18 126.55 8.13 0.19 7.2
2026-08-17 126.59 3.64 0.18 1.61
2026-08-14 126.84 6.47 0.18 4.4
2026-08-13 127.7 14.94 0.21 16.8
2026-08-12 126.32 10.79 0.19 9.2
2026-08-11 126.28 15.1 0.21 16.4
2026-08-10 125.14 20.46 0.22 34.54
2026-08-07 126.6 13.23 0.2 12.4
2026-08-06 126.4 25.38 0.23 50.4
2026-08-05 127.54 30.1 0.24 67.2
2026-08-04 127.3 23.88 0.23 44
2026-08-03 125.81 25.86 0.23 52.21
2026-07-31 127.21 15.15 0.21 16
2026-07-30 127.13 18.57 0.21 28
2026-07-29 129.84 27.32 0.24 61.2
2026-07-28 129.52 28.22 0.24 63.6
2026-07-27 128.88 23.35 0.23 43.37
2026-07-24 129.48 26.64 0.23 58.4
2026-07-23 130.58 42.29 0.27 90.8
2026-07-22 127.91 32.83 0.25 75.6
2026-07-21 127.1 38.77 0.27 86.4
2026-07-20 126.69 39.71 0.27 87.95
2026-07-17 129.03 25.98 0.23 54.8
2026-07-16 128.22 30.73 0.25 70.4
2026-07-15 124 36.94 0.26 84.8
2026-07-14 124.79 32.52 0.25 74.4
2026-07-13 125.31 35.53 0.26 82.33
2026-07-10 124.4 27.06 0.24 63.2
2026-07-09 124.34 33.39 0.25 77.2