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iShares 25+ Year Treasury STRIPS GOVZ 33.83 0.44 1.32%

GOVZ Historical Options Analysis

Explore GOVZ (iShares 25+ Year Treasury STRIPS) 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

GOVZ / Comparative study

3 signals / 507 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -1.00
0.98
Mean
25.8
Window
-91.0%
ATM IV z -0.33
0.3
Mean
0.64
Window
-10.4%
IV Percentile z -0.60
34.32
Mean
52.37
Window
-40.4%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.53 0.83
ATM IV 0.53 1.00 0.43
IV Percent... 0.83 0.43 1.00
Source observations

Data inspector

1-50 of 507
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 33.83 0.98 0.3 34.32
2026-09-18 33.39 1.11 0.31 37.13
2026-09-17 33.77 0.88 0.28 32.07
2026-09-16 33.19 1.16 0.32 38.4
2026-09-15 32.96 1.28 0.34 40.51
2026-09-14 33.15 1.12 0.32 38.14
2026-09-11 33 1.1 0.31 37.13
2026-09-10 32.85 1.17 0.32 38.82
2026-09-09 33.4 0.82 0.27 29.96
2026-09-08 33.78 0.59 0.24 22.36
2026-09-07 33.69 0.58 0.24 21.61
2026-09-04 33.74 0.54 0.24 18.99
2026-09-03 33.57 0.59 0.24 21.52
2026-09-02 33.48 0.6 0.25 21.94
2026-09-01 33.45 0.61 0.25 22.03
2026-08-31 33.77 1.32 0.34 40
2026-08-28 34 1.57 0.38 44.07
2026-08-27 34.16 0.9 0.29 31.36
2026-08-26 34.29 0.68 0.26 24.15
2026-08-25 34.32 0.68 0.26 23.31
2026-08-24 33.73 -- -- --
2026-08-21 33.33 0.32 0.21 10.13
2026-08-20 33.53 4.73 0.8 76.37
2026-08-19 34 1.86 0.41 44.73
2026-08-18 32.97 3.58 0.65 67.93
2026-08-17 32.74 8.91 1.36 94.49
2026-08-14 33.28 1.55 0.37 41.77
2026-08-13 33.68 0.81 0.27 26.58
2026-08-12 33.39 1.11 0.31 33.76
2026-08-11 33.53 0.84 0.28 27
2026-08-10 33.43 0.8 0.27 26.27
2026-08-07 33.88 0.02 0.17 0.42
2026-08-06 33.73 0.16 0.19 2.53
2026-08-05 34.11 0.27 0.2 7.17
2026-08-04 33.88 1.29 0.34 33.76
2026-08-03 33.53 1.52 0.37 38.14
2026-07-31 33.57 2.94 0.56 57.81
2026-07-30 33.93 0.95 0.29 27.85
2026-07-29 33.99 1.17 0.32 31.65
2026-07-28 35.16 0.68 0.26 21.94
2026-07-27 34.86 0.97 0.29 27.97
2026-07-24 34.46 1 0.3 28.69
2026-07-23 34.51 0.91 0.29 27.85
2026-07-22 34.59 1.38 0.35 35.44
2026-07-21 34.66 1.27 0.34 32.49
2026-07-20 34.78 4.02 0.7 66.1
2026-07-17 35.21 4.03 0.7 66.67
2026-07-16 34.96 3.85 0.68 66.67
2026-07-15 34.95 3.75 0.67 65.82
2026-07-14 34.95 3.69 0.66 65.82