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ACI Worldwide ACIW 52.09 0.12 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

ACIW / Comparative study

3 signals / 503 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.39
18.96
Mean
27.34
Window
+112.8%
ATM IV z -0.87
0.34
Mean
0.42
Window
-8.7%
IV Percentile z -1.27
11.51
Mean
48.73
Window
-68.1%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.78 0.87
ATM IV 0.78 1.00 0.87
IV Percent... 0.87 0.87 1.00
Source observations

Data inspector

1-50 of 503
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 52.09 18.96 0.34 11.51
2026-09-10 51.97 29.68 0.39 24.6
2026-09-09 51.96 18.51 0.34 11.9
2026-09-08 51.98 14.84 0.32 7.94
2026-09-07 52.95 25.23 0.37 19.92
2026-09-04 52.95 7.3 0.28 2.38
2026-09-03 52.91 21.2 0.35 14.68
2026-09-02 52.46 19.21 0.34 12.7
2026-09-01 51.23 25.51 0.37 20.72
2026-08-31 53.28 22.45 0.36 16.4
2026-08-28 53.83 16.83 0.33 12.35
2026-08-27 54.23 27.21 0.38 21.91
2026-08-26 53.04 45.22 0.47 65.34
2026-08-25 52.4 16.18 0.33 12.75
2026-08-24 52.41 28.33 0.39 23.6
2026-08-21 51.86 23.92 0.37 19.52
2026-08-20 51.57 24.54 0.37 21.12
2026-08-19 51.97 27.84 0.39 23.51
2026-08-18 52.17 12.01 0.31 9.96
2026-08-17 52.13 14.87 0.32 12
2026-08-14 53.44 25.43 0.37 22.31
2026-08-13 53.66 32.75 0.41 31.08
2026-08-12 52.75 41.92 0.46 47.81
2026-08-11 52.24 21.22 0.35 19.12
2026-08-10 52.85 38.43 0.44 40
2026-08-07 53.67 28.22 0.39 25.1
2026-08-06 55.22 43.2 0.46 51.79
2026-08-05 57.79 61.98 0.56 90.04
2026-08-04 57.2 62.62 0.56 90.44
2026-08-03 57.37 58.31 0.54 85.6
2026-07-31 57.33 49.95 0.5 75.3
2026-07-30 57.69 63.01 0.56 90.84
2026-07-29 60.18 74.43 0.62 96.02
2026-07-28 59.97 72.51 0.61 94.82
2026-07-27 57.88 58.57 0.54 87.2
2026-07-24 56.31 58.03 0.54 87.25
2026-07-23 54.53 50.4 0.5 77.69
2026-07-22 54.71 59.05 0.54 88.05
2026-07-21 56.69 45.41 0.47 70.12
2026-07-20 56.87 50.53 0.5 78.4
2026-07-17 58.07 63.49 0.56 92.43
2026-07-16 58.67 46.74 0.48 75.3
2026-07-15 57.04 41.55 0.45 52.99
2026-07-14 55.11 42.4 0.46 55.38
2026-07-13 56.43 38.55 0.44 47.6
2026-07-10 56.42 46.33 0.48 74.5
2026-07-09 56.4 39.97 0.45 51
2026-07-08 55.88 34.65 0.42 40.64
2026-07-07 55.62 43.92 0.47 68.92
2026-07-02 54.88 31.19 0.4 36.9