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Cardiff Oncology CRDF 1.31 -0.06 -4.18%

CRDF Historical Options Analysis

Explore CRDF (Cardiff Oncology) 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

CRDF / Comparative study

3 signals / 508 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.85
6.94
Mean
26.94
Window
-37.1%
ATM IV z -1.04
0.86
Mean
1.78
Window
-41.9%
IV Percentile z -1.44
6.2
Mean
53.05
Window
-81.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.83 0.81
ATM IV 0.83 1.00 0.79
IV Percent... 0.81 0.79 1.00
Source observations

Data inspector

1-50 of 508
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 1.31 6.94 0.86 6.2
2026-09-18 1.37 8.66 0.96 10.42
2026-09-17 1.3 11.79 1.13 19.69
2026-09-16 1.35 10.75 1.07 15.83
2026-09-15 1.34 10.44 1.06 14.29
2026-09-14 1.31 11.25 1.1 16.28
2026-09-11 1.21 43.13 2.87 85.33
2026-09-10 1.21 30.31 2.16 77.99
2026-09-09 1.05 18.97 1.53 44.02
2026-09-08 1.1 14.36 1.27 28.96
2026-09-07 1.09 14.57 1.29 29.46
2026-09-04 1.09 14.22 1.27 29.34
2026-09-03 1.08 13.46 1.22 26.25
2026-09-02 1.06 14.62 1.29 30.5
2026-09-01 1.03 20.09 1.59 47.29
2026-08-31 0.99 48.18 3.15 90.66
2026-08-28 0.94 50.11 3.26 91.86
2026-08-27 0.99 44.52 2.95 88.37
2026-08-26 0.98 49.42 3.22 91.47
2026-08-25 1.02 43.68 2.9 88.76
2026-08-24 1 44.69 2.96 89.49
2026-08-21 0.88 21.62 1.68 53.49
2026-08-20 0.91 74.46 4.61 95.74
2026-08-19 0.9 44.86 2.97 90.31
2026-08-18 0.89 45.12 2.98 90.7
2026-08-17 0.9 70.35 4.38 94.94
2026-08-14 0.96 61.09 3.87 94.96
2026-08-13 0.98 58.11 3.7 94.19
2026-08-12 0.99 56.92 3.64 94.19
2026-08-11 1.05 50.1 3.26 93.8
2026-08-10 1.03 20.96 1.64 54.86
2026-08-07 0.99 13.31 1.22 32.56
2026-08-06 0.96 14.12 1.26 36.05
2026-08-05 0.95 58.83 3.74 94.57
2026-08-04 0.93 60.78 3.85 94.96
2026-08-03 0.93 40.67 2.74 90.66
2026-07-31 0.86 97.27 5.88 99.22
2026-07-30 0.85 99.41 6 99.61
2026-07-29 0.81 100 6.03 100
2026-07-28 0.82 100 5.87 100
2026-07-27 0.84 100 5.66 100
2026-07-24 0.83 100 5.4 100
2026-07-23 0.84 100 5.24 100
2026-07-22 0.86 100 5.07 100
2026-07-21 0.84 100 5.01 100
2026-07-20 0.84 100 5.01 100
2026-07-17 0.88 100 4.68 100
2026-07-16 0.87 100 4.57 100
2026-07-15 0.89 100 4.51 100
2026-07-14 1.31 74.09 2.96 96.51