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Accuray Incorporated ARAY 0.25 0.01 2.92%

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

ARAY / Comparative study

3 signals / 504 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.00
23.4
Mean
23.42
Window
+839.8%
ATM IV z 0.59
3.87
Mean
2.52
Window
+562.7%
IV Percentile z -0.28
56
Mean
63.61
Window
+124.0%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.86 0.75
ATM IV 0.86 1.00 0.70
IV Percent... 0.75 0.70 1.00
Source observations

Data inspector

1-50 of 504
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 0.25 23.4 3.87 56
2026-09-10 0.24 33.14 5.48 78
2026-09-09 0.25 29.63 4.9 72.8
2026-09-08 0.26 26.17 4.33 64
2026-09-07 0.26 25.51 4.22 61.85
2026-09-04 0.27 31.12 5.15 75.6
2026-09-03 0.27 17.64 2.92 44.8
2026-09-02 0.26 18.8 3.11 47.2
2026-09-01 0.25 23.34 3.86 57.43
2026-08-31 0.26 44.76 7.4 91.94
2026-08-28 0.27 40.12 6.63 87.15
2026-08-27 0.26 40.85 6.76 88.76
2026-08-26 0.26 39.48 6.53 86.75
2026-08-25 0.27 38.78 6.41 86.75
2026-08-24 0.27 35.85 5.93 83.87
2026-08-21 0.28 34.01 5.62 83.13
2026-08-20 0.29 32.58 5.39 80.32
2026-08-19 0.29 30.12 4.98 77.51
2026-08-18 0.32 28.86 4.77 75.1
2026-08-17 0.33 25.09 4.15 64.92
2026-08-14 0.28 28.43 4.7 74.3
2026-08-13 0.28 28.55 4.72 74.3
2026-08-12 0.28 27.62 4.57 73.49
2026-08-11 0.29 26.32 4.35 68.67
2026-08-10 0.29 25.68 4.25 67.34
2026-08-07 0.28 25.16 4.16 65.86
2026-08-06 0.28 25.75 4.26 67.87
2026-08-05 0.27 25.83 4.27 68.27
2026-08-04 0.31 23.84 3.94 65.06
2026-08-03 0.27 27.35 4.52 72.98
2026-07-31 0.27 40.3 6.66 87.55
2026-07-30 0.28 29.13 4.82 74.7
2026-07-29 0.23 41.53 6.87 89.16
2026-07-28 0.24 37.26 6.16 86.75
2026-07-27 0.23 40.66 6.72 88.71
2026-07-24 0.24 41.46 6.86 89.16
2026-07-23 0.24 42.69 7.06 90.36
2026-07-22 0.24 33.27 5.5 83.53
2026-07-21 0.25 23.41 3.87 67.87
2026-07-20 0.25 23.08 3.82 67.34
2026-07-17 0.26 39.88 6.59 89.16
2026-07-16 0.27 1.16 0.19 2.81
2026-07-15 0.27 21.58 3.57 65.86
2026-07-14 0.26 17.38 2.87 55.42
2026-07-13 0.27 38.06 6.29 88.71
2026-07-10 0.24 19.88 3.29 61.85
2026-07-09 0.26 49.29 8.15 95.98
2026-07-08 0.25 33.63 5.56 85.14
2026-07-07 0.25 33.18 5.49 84.74
2026-07-02 0.25 36.44 6.03 88.4