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Dimensional U DFAS 79.41 0.3 0.38%

DFAS Historical Options Analysis

Explore DFAS (Dimensional U) 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

DFAS / Comparative study

3 signals / 501 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.65
4.75
Mean
17.8
Window
-25.9%
ATM IV z -0.71
0.18
Mean
0.45
Window
-33.9%
IV Percentile z -0.67
25.55
Mean
46.53
Window
+15.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.93 0.78
ATM IV 0.93 1.00 0.78
IV Percent... 0.78 0.78 1.00
Source observations

Data inspector

1-50 of 501
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 79.41 4.75 0.18 25.55
2026-09-18 79.11 4.13 0.16 10.96
2026-09-17 79.5 3.52 0.13 5.26
2026-09-16 79.29 4.55 0.17 20.61
2026-09-15 79.77 4.32 0.16 14.04
2026-09-14 80.16 6.26 0.23 45.81
2026-09-11 80.52 4.41 0.17 16.67
2026-09-10 80.01 4.23 0.16 12.28
2026-09-09 80.56 5.25 0.2 29.82
2026-09-08 81.51 4.12 0.15 10.09
2026-09-07 82.2 5.38 0.2 31.28
2026-09-04 82.2 4.79 0.18 22.81
2026-09-03 82.05 5.84 0.22 38.16
2026-09-02 81.56 4.33 0.16 13.6
2026-09-01 80.72 4.94 0.19 23.79
2026-08-31 81.63 5.02 0.19 24.78
2026-08-28 82.09 5.59 0.21 33.48
2026-08-27 82.8 4.4 0.17 14.98
2026-08-26 82.77 4.61 0.17 18.94
2026-08-25 82.57 4.34 0.16 14.1
2026-08-24 82.61 4.01 0.15 7.96
2026-08-21 83.02 4.62 0.17 18.94
2026-08-20 82.42 4.87 0.18 21.15
2026-08-19 83.28 4.34 0.16 13.66
2026-08-18 83.04 5.44 0.2 28.19
2026-08-17 84.14 5.64 0.21 31.86
2026-08-14 84.48 5.34 0.2 26.43
2026-08-13 84.17 4.73 0.18 19.82
2026-08-12 83.81 4.53 0.17 15.42
2026-08-11 83.5 5.78 0.22 32.6
2026-08-10 83.22 5.45 0.2 27.88
2026-08-07 83.49 6.25 0.23 36.56
2026-08-06 82.72 4.78 0.18 19.38
2026-08-05 83.19 6.2 0.23 35.24
2026-08-04 83.81 4.54 0.17 15.86
2026-08-03 82.3 4.95 0.19 20.35
2026-07-31 81.03 4.56 0.17 16.3
2026-07-30 81.17 4.29 0.16 12.33
2026-07-29 80.55 5.76 0.22 29.52
2026-07-28 81.65 3.91 0.15 6.61
2026-07-27 81.1 4.33 0.16 12.39
2026-07-24 80.74 4.26 0.16 11.45
2026-07-23 80.54 4.33 0.16 11.45
2026-07-22 81.04 5.57 0.21 25.11
2026-07-21 81.3 5.05 0.19 18.94
2026-07-20 80.5 5.34 0.2 21.68
2026-07-17 81.12 4.54 0.17 14.1
2026-07-16 81.69 4.02 0.15 8.37
2026-07-15 81.18 4.2 0.16 11.01
2026-07-14 80.86 4.55 0.17 13.22