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First Trust NYSE Arca Biotechnology FBT 271.23 6.21 2.34%

Previous-day view · Thu Sep 17 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

FBT / Comparative study

3 signals / 510 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.43
9.18
Mean
15.48
Window
+18.5%
ATM IV z 0.04
0.24
Mean
0.24
Window
+33.3%
IV Percentile z 0.35
66.8
Mean
57.44
Window
+49.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.68 0.54
ATM IV 0.68 1.00 0.56
IV Percent... 0.54 0.56 1.00
Source observations

Data inspector

1-50 of 510
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-17 271.23 9.18 0.24 66.8
2026-09-16 265.02 6.42 0.22 36.29
2026-09-15 262.99 4.73 0.21 20.08
2026-09-14 264.26 7.2 0.23 44.96
2026-09-11 261.85 3.37 0.2 13.13
2026-09-10 262.28 3.7 0.2 13.9
2026-09-09 265.56 6.85 0.23 42.47
2026-09-08 265.78 6.52 0.22 38.22
2026-09-07 270.93 7.49 0.23 49.61
2026-09-04 270.93 6.15 0.22 33.59
2026-09-03 273.79 6.96 0.23 43.63
2026-09-02 273.47 8.43 0.24 55.98
2026-09-01 267.84 5.4 0.21 24.42
2026-08-31 267.15 8.73 0.24 59.14
2026-08-28 266.95 8.23 0.23 55.04
2026-08-27 273.91 6.53 0.22 36.05
2026-08-26 272.07 6.69 0.22 37.98
2026-08-25 272.38 7.48 0.23 45.35
2026-08-24 268.96 9.87 0.25 71.6
2026-08-21 270.95 9.82 0.23 48.84
2026-08-20 268.13 12.79 0.26 79.46
2026-08-19 271.87 6.21 0.2 16.67
2026-08-18 260.74 5.93 0.2 16.28
2026-08-17 259.63 5.15 0.19 7
2026-08-14 255.42 3.85 0.18 3.1
2026-08-13 256.07 10.39 0.24 55.43
2026-08-12 258.95 7.87 0.21 30.62
2026-08-11 258.65 10.73 0.24 58.14
2026-08-10 258.53 8.64 0.22 36.96
2026-08-07 255.93 7.09 0.21 24.03
2026-08-06 248.24 9.52 0.23 46.9
2026-08-05 249 11.12 0.24 60.85
2026-08-04 247.12 7.96 0.21 32.17
2026-08-03 245.5 7.87 0.21 31.91
2026-07-31 245.06 11.94 0.25 72.48
2026-07-30 252.66 7.86 0.21 31.78
2026-07-29 250.47 14.8 0.27 88.37
2026-07-28 251.31 9.24 0.23 44.57
2026-07-27 246.74 14.25 0.27 87.16
2026-07-24 247.39 9.2 0.23 43.8
2026-07-23 248.82 5.04 0.19 7.36
2026-07-22 245.18 11.89 0.25 70.93
2026-07-21 248.59 7.31 0.21 25.58
2026-07-20 245.3 8.57 0.22 36.58
2026-07-17 248.48 8.7 0.22 38.76
2026-07-16 249.28 8.68 0.22 38.76
2026-07-15 247.63 8.98 0.22 40.7
2026-07-14 246 11.39 0.24 62.79
2026-07-13 247.54 9.84 0.23 50.19
2026-07-10 249.59 10.87 0.24 58.91