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Aecom ACM 62.81 -1.35 -2.1%

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

ACM / Comparative study

3 signals / 507 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.25
54.98
Mean
49.74
Window
+20.7%
ATM IV z 0.94
0.37
Mean
0.3
Window
+48.8%
IV Percentile z -0.24
61.33
Mean
67.88
Window
-18.0%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.79 0.91
ATM IV 0.79 1.00 0.76
IV Percent... 0.91 0.76 1.00
Source observations

Data inspector

1-50 of 507
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-16 62.81 54.98 0.37 61.33
2026-09-15 64.16 51.62 0.36 54.69
2026-09-14 64.6 58.07 0.38 68.24
2026-09-11 63.53 52.26 0.36 56.25
2026-09-10 62.89 54.82 0.37 61.72
2026-09-09 64.02 55.14 0.37 62.11
2026-09-08 66.04 61.86 0.39 80.47
2026-09-07 66.58 59.46 0.38 73.33
2026-09-04 66.58 50.47 0.35 54.69
2026-09-03 66.83 49.93 0.35 53.91
2026-09-02 66.46 50.21 0.35 54.3
2026-09-01 66.23 48.19 0.34 50.2
2026-08-31 67.43 47.77 0.34 48.03
2026-08-28 69.17 49.8 0.34 48.63
2026-08-27 66.24 46.55 0.33 44.31
2026-08-26 65.11 45.54 0.33 43.14
2026-08-25 62.78 44.57 0.33 42.35
2026-08-24 64.99 36.98 0.3 31.5
2026-08-21 64.79 50.32 0.35 50.59
2026-08-20 65.18 54.24 0.36 59.22
2026-08-19 65.04 47.52 0.34 47.06
2026-08-18 61.72 40.96 0.31 41.18
2026-08-17 62.22 46.77 0.33 45.67
2026-08-14 63.11 48.69 0.34 48.63
2026-08-13 63.61 47.91 0.34 48.24
2026-08-12 61.04 54.93 0.36 61.57
2026-08-11 67.05 37.83 0.3 35.69
2026-08-10 73.3 71 0.42 90.94
2026-08-07 75.84 59.96 0.38 70.59
2026-08-06 74.93 64.9 0.4 84.31
2026-08-05 74.9 71.11 0.42 91.76
2026-08-04 75.75 68.14 0.41 89.41
2026-08-03 74.8 93.31 0.49 98.43
2026-07-31 72.39 85.51 0.47 98.04
2026-07-30 71.76 95.38 0.5 99.22
2026-07-29 73.57 80.56 0.45 96.86
2026-07-28 74.44 84.34 0.46 98.43
2026-07-27 70.96 81.92 0.45 97.64
2026-07-24 70.56 83.22 0.46 98.04
2026-07-23 67.65 69.81 0.41 92.55
2026-07-22 67.47 70.84 0.42 93.73
2026-07-21 68.94 71.75 0.42 95.29
2026-07-20 67.94 65.37 0.4 89.37
2026-07-17 68.29 63.55 0.39 87.06
2026-07-16 69.95 62.88 0.39 85.88
2026-07-15 68.88 61.16 0.38 80.39
2026-07-14 68.55 60.08 0.38 77.65
2026-07-13 68.68 56.83 0.37 70.87
2026-07-10 68.25 64.6 0.39 88.63
2026-07-09 68.05 62.86 0.39 86.27