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Donaldson Company DCI 86.07 -0.37 -0.43%

DCI Historical Options Analysis

Explore DCI (Donaldson Company) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.

Previous-day view · Mon Sep 21 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

DCI / Comparative study

3 signals / 507 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.08
27.07
Mean
25.84
Window
+762.1%
ATM IV z -0.03
0.28
Mean
0.29
Window
+58.7%
IV Percentile z -0.19
52.53
Mean
57.62
Window
+173.6%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.84 0.71
ATM IV 0.84 1.00 0.84
IV Percent... 0.71 0.84 1.00
Source observations

Data inspector

1-50 of 507
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 86.07 27.07 0.28 52.53
2026-09-18 86.44 25.24 0.28 44.57
2026-09-17 86.05 37.25 0.34 83.33
2026-09-16 86.33 35.45 0.33 79.07
2026-09-15 87.06 30.88 0.3 65.12
2026-09-14 87.93 20.1 0.25 22.57
2026-09-11 89.25 27.62 0.29 55.43
2026-09-10 88.18 23.66 0.27 36.43
2026-09-09 89.81 28.76 0.29 58.14
2026-09-08 90.99 27.41 0.29 55.04
2026-09-07 91.03 23.37 0.27 35.41
2026-09-04 91.03 21.38 0.26 27.13
2026-09-03 90.6 22.27 0.26 31.4
2026-09-02 89.91 28.09 0.29 56.2
2026-09-01 89.76 23.08 0.26 34.63
2026-08-31 90.89 16.6 0.23 20.31
2026-08-28 91.89 21.68 0.26 29.18
2026-08-27 92.41 36.34 0.33 80.93
2026-08-26 95.24 24.66 0.27 42.02
2026-08-25 93.26 60.68 0.45 98.83
2026-08-24 92.43 46.71 0.38 94.53
2026-08-21 93.25 42.43 0.36 89.88
2026-08-20 92.44 45.44 0.38 94.55
2026-08-19 92.8 44.96 0.38 93.39
2026-08-18 93.97 43.67 0.37 92.61
2026-08-17 94.68 49.13 0.4 96.48
2026-08-14 95.95 36.31 0.33 83.66
2026-08-13 95.71 30.62 0.3 66.54
2026-08-12 96.27 41.34 0.36 89.88
2026-08-11 96.91 38.94 0.34 87.55
2026-08-10 96.74 39.07 0.35 89.06
2026-08-07 98.61 32.02 0.31 71.6
2026-08-06 98.34 28.71 0.29 61.87
2026-08-05 97.25 35.1 0.33 81.71
2026-08-04 98.14 28.37 0.29 61.87
2026-08-03 96.02 27.46 0.29 60.55
2026-07-31 94.24 35.01 0.32 80.93
2026-07-30 92.66 32.13 0.31 73.15
2026-07-29 92.5 34.53 0.32 79.38
2026-07-28 95.36 28.5 0.29 63.42
2026-07-27 93.19 31.74 0.31 73.05
2026-07-24 92.79 21.25 0.25 35.02
2026-07-23 91.14 33.51 0.32 75.88
2026-07-22 90.96 24.5 0.27 48.64
2026-07-21 90.18 31.18 0.31 71.6
2026-07-20 89.64 30.51 0.3 70.31
2026-07-17 90.4 26.56 0.28 59.14
2026-07-16 91.11 29.12 0.29 65.37
2026-07-15 89.27 27.24 0.29 63.81
2026-07-14 89.73 30 0.3 68.48