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Equifax EFX 169.0 0.96 0.57%

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

EFX / Comparative study

3 signals / 509 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.16
42.48
Mean
45.7
Window
-25.0%
ATM IV z 0.56
0.39
Mean
0.35
Window
+25.3%
IV Percentile z -0.40
53.1
Mean
64.11
Window
-23.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.79 0.86
ATM IV 0.79 1.00 0.84
IV Percent... 0.86 0.84 1.00
Source observations

Data inspector

1-50 of 509
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 169 42.48 0.39 53.1
2026-09-10 168.04 49.71 0.41 70.54
2026-09-09 168.09 48.28 0.41 67.05
2026-09-08 171.62 49.91 0.41 70.93
2026-09-07 177.05 43.23 0.39 56.81
2026-09-04 177.05 40.99 0.38 49.22
2026-09-03 189.09 40.53 0.38 48.84
2026-09-02 185.48 39.63 0.38 46.51
2026-09-01 186.2 44.56 0.4 59.14
2026-08-31 189.16 41.95 0.39 53.13
2026-08-28 194.35 29.46 0.35 25.29
2026-08-27 190.36 37.32 0.37 41.25
2026-08-26 190.56 34.95 0.36 35.8
2026-08-25 191.89 37.6 0.37 42.02
2026-08-24 194.63 30.79 0.35 28.52
2026-08-21 192.62 36.22 0.37 38.13
2026-08-20 192.41 41.98 0.39 52.53
2026-08-19 192.1 34.42 0.36 34.63
2026-08-18 181.84 34.31 0.36 34.63
2026-08-17 176.8 36.82 0.37 39.45
2026-08-14 180.85 39.03 0.38 44.75
2026-08-13 185.58 40.18 0.38 49.03
2026-08-12 180.46 41.79 0.39 51.75
2026-08-11 181.96 44.07 0.39 58.75
2026-08-10 181.04 42.25 0.39 54.3
2026-08-07 182.56 47.13 0.4 64.59
2026-08-06 175.79 47.32 0.4 64.98
2026-08-05 177.37 45.51 0.4 62.65
2026-08-04 177.12 49.7 0.41 70.82
2026-08-03 174.11 58.17 0.44 85.55
2026-07-31 172.62 47.68 0.4 66.93
2026-07-30 176.13 55.09 0.43 81.32
2026-07-29 187.05 49.48 0.41 70.82
2026-07-28 187.02 51.83 0.42 76.26
2026-07-27 177.31 60.88 0.45 87.89
2026-07-24 172.54 54.46 0.43 80.93
2026-07-23 166.72 60.6 0.45 87.94
2026-07-22 170.45 50.67 0.41 75.49
2026-07-21 173 54.38 0.43 81.32
2026-07-20 180.08 81.48 0.51 98.44
2026-07-17 177.08 82.12 0.51 98.83
2026-07-16 179.62 72.69 0.48 94.55
2026-07-15 171.61 73.8 0.49 95.72
2026-07-14 166.93 100 0.57 100
2026-07-13 172.61 75.92 0.49 97.66
2026-07-10 166.44 73.78 0.48 96.11
2026-07-09 166.66 75.26 0.49 96.89
2026-07-08 167.09 74.23 0.49 96.89
2026-07-07 174.58 75.83 0.49 97.67
2026-07-02 172.07 63.83 0.45 93.02