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Prothena Corporation plc Ordinary Shares PRTA 7.97 0.08 1.01%

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Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

PRTA / Comparative study

3 signals / 495 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.92
33.98
Mean
17.17
Window
+13.5%
ATM IV z 0.17
1.04
Mean
0.95
Window
-20.1%
IV Percentile z 1.36
91.9
Mean
50.62
Window
+11.3%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.97 0.74
ATM IV 0.97 1.00 0.71
IV Percent... 0.74 0.71 1.00
Source observations

Data inspector

1-50 of 495
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-06 7.97 33.98 1.04 91.9
2026-11-05 7.89 30.28 0.97 89.88
2026-11-04 8.39 22.01 0.83 78.91
2026-11-03 8.21 24.29 0.87 82.81
2026-11-02 8.29 20.65 0.8 75.29
2026-10-30 8.47 20.22 0.79 72.27
2026-10-29 8.88 16.72 0.73 60.55
2026-10-28 9.1 11.25 0.63 34.38
2026-10-27 8.81 18.67 0.77 66.8
2026-10-26 8.4 19.95 0.79 70.2
2026-10-23 8.2 29.64 0.96 87.5
2026-10-22 8.25 20.23 0.79 71.09
2026-10-21 8.03 38.59 1.12 93.36
2026-10-20 8.5 7.44 0.57 18.75
2026-10-19 8.48 9.46 0.6 27.06
2026-10-15 8.5 5.65 0.53 12.45
2026-10-14 8.37 6.93 0.56 15.95
2026-10-13 8.36 17.23 0.74 62.65
2026-10-12 8.43 57.95 1.47 97.66
2026-10-09 8.84 4.67 0.52 7.78
2026-10-08 8.61 4.7 0.52 8.56
2026-10-07 8.48 0.75 0.45 0.78
2026-10-06 8.02 16.53 0.73 59.53
2026-10-05 8.27 21.25 0.81 73.83
2026-10-02 8.36 25.19 0.88 81.32
2026-10-01 8.54 16.78 0.73 60.7
2026-09-30 8.38 43.69 1.21 93.77
2026-09-29 8.78 13.41 0.67 45.91
2026-09-28 8.72 13.05 0.67 45.31
2026-09-25 8.29 27.84 0.93 85.21
2026-09-24 8.32 15.41 0.71 54.69
2026-09-23 8.68 14.54 0.69 49.61
2026-09-22 8.99 19.63 0.78 69.92
2026-09-21 8.51 16.63 0.73 61.18
2026-09-18 8.58 16.38 0.73 60.55
2026-09-17 8.46 45.39 1.25 94.14
2026-09-16 8.24 94.59 2.13 99.61
2026-09-15 8.33 49.38 1.32 96.09
2026-09-14 8.86 17.83 0.75 66.67
2026-09-11 8.93 55.48 1.43 97.66
2026-09-10 9.02 18.34 0.76 68.36
2026-09-09 9.3 27.15 0.92 85.94
2026-09-08 9.54 8.28 0.58 23.83
2026-09-04 9.82 3.2 0.49 3.91
2026-09-03 9.6 9.45 0.6 28.52
2026-09-02 9.69 20.31 0.8 73.44
2026-09-01 9.61 28.12 0.94 87.06
2026-08-31 9.35 4.07 0.51 5.51
2026-08-28 9.33 0.97 0.45 0.78
2026-08-27 9.09 9.8 0.61 30.59