After hours
⌘K
Sign in Sign up

Penumbra PEN 317.73 -0.05 -0.02%

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

PEN / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 3.68
100
Mean
21.31
Window
+358.3%
ATM IV z 4.74
1.12
Mean
0.38
Window
+176.5%
IV Percentile z 1.75
100
Mean
40.78
Window
+83.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.88 0.88
ATM IV 0.88 1.00 0.79
IV Percent... 0.88 0.79 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 317.73 100 1.12 100
2026-09-10 317.78 100 1.11 100
2026-09-09 319.57 100 1.06 100
2026-09-08 319.26 100 1.03 100
2026-09-07 322.17 100 0.98 100
2026-09-04 322.17 98.7 0.95 99.6
2026-09-03 321.14 100 0.96 100
2026-09-02 322.8 99.95 0.93 99.6
2026-09-01 322.58 100 0.93 100
2026-08-31 323.1 99.66 0.92 99.6
2026-08-28 321.68 24.62 0.31 43.6
2026-08-27 321 25.13 0.31 44.4
2026-08-26 323.05 24.67 0.31 44
2026-08-25 324.37 20.39 0.27 40.4
2026-08-24 323.75 12.89 0.21 36.55
2026-08-21 325.18 39.48 0.43 80.4
2026-08-20 323.76 47.9 0.5 86.8
2026-08-19 326.84 6.14 0.16 12
2026-08-18 324.75 15.86 0.24 36.8
2026-08-17 327.17 26.7 0.33 46.59
2026-08-14 327.02 29.11 0.35 58
2026-08-13 326.75 30.9 0.36 65.6
2026-08-12 326.58 34.38 0.39 76
2026-08-11 326.28 28.86 0.34 57.2
2026-08-10 325.98 48.26 0.5 87.55
2026-08-07 324.66 98.41 0.91 99.6
2026-08-06 324.86 69.55 0.68 98.4
2026-08-05 323.21 89.29 0.84 99.2
2026-08-04 324.22 89.56 0.84 99.6
2026-08-03 323.02 83.66 0.79 99.6
2026-07-31 321.19 36.86 0.41 81.6
2026-07-30 319.83 38.14 0.42 83.2
2026-07-29 320.13 29.38 0.35 62.8
2026-07-28 319.99 9.27 0.18 26.8
2026-07-27 319.49 19.44 0.27 38.55
2026-07-24 318.73 7.47 0.17 18
2026-07-23 317.9 13.52 0.22 35.6
2026-07-22 316.5 21.55 0.28 38
2026-07-21 317.39 24.64 0.31 42.4
2026-07-20 318.01 23.33 0.3 39.76
2026-07-17 318.32 40.7 0.44 81.6
2026-07-16 319.6 33.58 0.38 74
2026-07-15 316.73 36.31 0.4 78
2026-07-14 316.26 34.35 0.39 75.2
2026-07-13 318.94 60.21 0.6 98.39
2026-07-10 318.1 42.57 0.46 82.4
2026-07-09 317.95 64.05 0.63 99.2
2026-07-08 317.28 54.19 0.55 97.2
2026-07-07 318.31 40.35 0.44 80.4
2026-07-02 318.57 55.41 0.56 97.61