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Brazil Potash Corp GRO 2.4 -0.03 -1.23%

GRO Historical Options Analysis

Explore GRO (Brazil Potash Corp) 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

GRO / Comparative study

3 signals / 79 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.86
2.79
Mean
24.22
Window
-94.5%
ATM IV z -0.99
0.71
Mean
2.03
Window
-37.8%
IV Percentile z -1.18
7.69
Mean
41.39
Window
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Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.96 0.89
ATM IV 0.96 1.00 0.91
IV Percent... 0.89 0.91 1.00
Source observations

Data inspector

1-50 of 79
  • 1 / 2
Date Close IV Rank ATM IV IV Percentile
2026-09-21 2.4 2.79 0.71 7.69
2026-09-18 2.43 5.7 0.88 22.08
2026-09-17 2.4 3.54 0.75 10.53
2026-09-16 2.32 2.27 0.68 4
2026-09-15 2.34 2.22 0.67 2.7
2026-09-14 2.4 17.02 1.57 47.95
2026-09-11 2.41 16.18 1.52 47.22
2026-09-10 2.43 3.1 0.73 7.04
2026-09-09 2.42 45.24 3.28 84.29
2026-09-08 2.54 5.34 0.86 14.49
2026-09-07 2.56 2.65 0.7 4.41
2026-09-04 2.49 2.36 0.68 2.99
2026-09-03 2.46 32.38 2.5 60.61
2026-09-02 2.52 33.28 2.55 61.54
2026-09-01 2.62 28.67 2.27 48.44
2026-08-31 2.6 8.26 1.04 31.75
2026-08-28 2.44 8.36 1.04 32.26
2026-08-27 2.57 4.38 0.8 6.56
2026-08-26 2.48 5.53 0.87 11.67
2026-08-25 2.49 2.21 0.67 1.69
2026-08-24 2.54 0 0.54 0
2026-08-21 2.47 0.82 0.77 1.75
2026-08-20 2.49 0 0.72 0
2026-08-19 2.26 32.14 2.67 61.82
2026-08-18 2.12 37.18 2.96 72.22
2026-08-17 2.15 34.91 2.83 66.04
2026-08-14 2.21 30.42 2.57 59.62
2026-08-13 2.16 31.32 2.62 62.75
2026-08-12 2.15 31.09 2.61 62
2026-08-11 2.23 27.89 2.42 57.14
2026-08-10 2.26 27.71 2.41 56.25
2026-08-07 2.18 27.39 2.39 55.32
2026-08-06 2.13 28.9 2.48 58.7
2026-08-05 2.16 27.33 2.39 55.56
2026-08-04 2.13 27.93 2.42 56.82
2026-08-03 2.14 27.06 2.37 55.81
2026-07-31 2.04 12.1 1.51 50
2026-07-30 2.05 25.38 2.28 53.66
2026-07-29 2.08 8.05 1.27 42.5
2026-07-28 2.03 10.64 1.42 48.72
2026-07-27 2.05 9.54 1.36 44.74
2026-07-24 2.15 2.95 0.98 29.73
2026-07-23 2.2 4.65 1.08 38.89
2026-07-22 2.33 0.33 0.83 2.86
2026-07-21 2.19 3.17 0.99 29.41
2026-07-20 2.13 3.55 1.01 30.3
2026-07-17 2.18 2.45 0.95 25
2026-07-16 2.21 2.44 0.95 22.58
2026-07-15 2.26 2.47 0.95 23.33
2026-07-14 2.25 9.84 1.38 31.03