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Fastly FSLY 23.19 0.48 2.11%

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

FSLY / Comparative study

3 signals / 510 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.37
23.67
Mean
30.38
Window
+105.5%
ATM IV z 0.05
0.84
Mean
0.83
Window
+40.5%
IV Percentile z -0.62
39.77
Mean
57.47
Window
-8.0%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.85 0.87
ATM IV 0.85 1.00 0.87
IV Percent... 0.87 0.87 1.00
Source observations

Data inspector

1-50 of 510
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 23.19 23.67 0.84 39.77
2026-09-10 22.71 26.68 0.9 51.74
2026-09-09 22.71 27.26 0.91 53.67
2026-09-08 21.49 26.07 0.88 50.19
2026-09-07 20.57 21.95 0.81 31.78
2026-09-04 20.59 21.13 0.79 28.57
2026-09-03 21.12 19.88 0.77 26.25
2026-09-02 20.43 20.08 0.77 27.41
2026-09-01 20.77 21.89 0.8 31.78
2026-08-31 22.79 22.02 0.81 31.91
2026-08-28 23.04 18.98 0.75 25.19
2026-08-27 24.64 18.34 0.74 24.03
2026-08-26 23.29 18.2 0.73 24.03
2026-08-25 23 17.71 0.72 23.64
2026-08-24 22.94 20.04 0.77 27.63
2026-08-21 24.95 18.57 0.74 25.19
2026-08-20 22.71 19.65 0.76 27.13
2026-08-19 23.66 19.61 0.76 26.74
2026-08-18 26.59 17.39 0.72 25.19
2026-08-17 29.04 19.64 0.76 26.85
2026-08-14 29.93 18.03 0.73 25.97
2026-08-13 30.02 21.19 0.79 29.46
2026-08-12 28.53 21.55 0.8 31.78
2026-08-11 28.78 22.62 0.82 33.33
2026-08-10 27.75 22.78 0.82 35.02
2026-08-07 22.96 18.69 0.74 28.29
2026-08-06 22.68 22.63 0.82 34.11
2026-08-05 26.03 33.99 1.03 69.77
2026-08-04 24.95 34.6 1.05 70.93
2026-08-03 23.03 40.54 1.16 85.99
2026-07-31 22.66 48.35 1.31 94.96
2026-07-30 21.55 45.88 1.26 91.86
2026-07-29 20.69 44.91 1.24 91.47
2026-07-28 20.8 42.97 1.2 89.92
2026-07-27 20.04 43.2 1.21 90.27
2026-07-24 20.24 39.16 1.13 83.33
2026-07-23 19.43 41.53 1.18 89.92
2026-07-22 20.46 39.92 1.15 87.21
2026-07-21 20.73 40.33 1.15 87.98
2026-07-20 20.47 40.76 1.16 88.72
2026-07-17 20.72 39.32 1.14 85.66
2026-07-16 20.32 37.77 1.11 83.72
2026-07-15 20 39.96 1.15 88.37
2026-07-14 20.9 39.57 1.14 87.98
2026-07-13 20.03 40.53 1.16 88.72
2026-07-10 19.59 35.17 1.06 78.68
2026-07-09 20.33 36.08 1.07 80.62
2026-07-08 19.74 36.58 1.08 83.72
2026-07-07 18.59 34.02 1.03 77.91
2026-07-02 18.13 23.47 0.83 45.17