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Staar Surgical Co STAA 26.72 -0.45 -1.66%

Previous-day view · Thu Nov 5 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

STAA / Comparative study

3 signals / 495 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.42
34.88
Mean
42.16
Window
-16.3%
ATM IV z -0.66
0.52
Mean
0.63
Window
-15.4%
IV Percentile z -1.08
19.84
Mean
50.89
Window
-68.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.89 0.82
ATM IV 0.89 1.00 0.89
IV Percent... 0.82 0.89 1.00
Source observations

Data inspector

1-50 of 495
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-05 26.72 34.88 0.52 19.84
2026-11-04 27.17 40.6 0.66 59.77
2026-11-03 25.17 37.38 0.61 48.44
2026-11-02 24.94 42.2 0.68 64.31
2026-10-30 24.54 52.1 0.81 89.45
2026-10-29 25.24 43.77 0.7 77.34
2026-10-28 24.61 43.52 0.7 76.56
2026-10-27 24.16 42.83 0.69 67.19
2026-10-26 23.23 49.22 0.77 86.67
2026-10-23 22.61 35.93 0.59 42.58
2026-10-22 22.49 42.97 0.69 67.58
2026-10-21 21.61 47.05 0.74 82.81
2026-10-20 22.32 38.84 0.63 54.3
2026-10-19 21.88 41.15 0.67 63.14
2026-10-15 22.26 38.28 0.63 52.53
2026-10-14 21.84 33.02 0.56 33.46
2026-10-13 21.5 35.88 0.59 42.02
2026-10-12 22.01 33.97 0.57 36.33
2026-10-09 21.67 43.65 0.7 75.1
2026-10-08 22.38 40.91 0.66 61.48
2026-10-07 22.36 36.38 0.6 42.41
2026-10-06 22.15 35.85 0.59 41.63
2026-10-05 22.57 32.31 0.55 31.64
2026-10-02 22.47 34.59 0.58 38.52
2026-10-01 22.38 37.04 0.61 46.69
2026-09-30 22.61 27.96 0.49 14.4
2026-09-29 22.43 25.81 0.46 7.39
2026-09-28 20.87 27.25 0.48 10.16
2026-09-25 20.51 24.11 0.43 5.84
2026-09-24 19.08 20.09 0.38 2.34
2026-09-23 19.8 16.65 0.33 0.39
2026-09-22 20.65 27.53 0.48 11.33
2026-09-21 20.32 31.79 0.54 29.41
2026-09-18 20.82 26.71 0.47 9.38
2026-09-17 21.24 26.4 0.47 9.38
2026-09-16 22.41 39.17 0.64 54.3
2026-09-15 22.45 27.86 0.49 12.5
2026-09-14 23.07 28.13 0.49 14.12
2026-09-11 22.66 32.67 0.55 32.03
2026-09-10 23.42 27.56 0.48 12.89
2026-09-09 23.62 20.09 0.38 4.3
2026-09-08 24.16 23.64 0.43 7.42
2026-09-04 23.47 21.11 0.39 5.08
2026-09-03 23.57 28.32 0.49 15.63
2026-09-02 23.11 32.78 0.55 32.42
2026-09-01 23.52 33.04 0.56 32.94
2026-08-31 22.59 20 0.38 4.72
2026-08-28 22.11 23.43 0.43 7.45
2026-08-27 22.39 23.84 0.43 7.84
2026-08-26 22.86 21.33 0.4 6.67