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Heartflow HTFL 49.88 4.39 9.65%

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

HTFL / Comparative study

3 signals / 98 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.43
51.44
Mean
41.49
Window
+135.0%
ATM IV z -0.90
0.7
Mean
0.84
Window
-22.6%
IV Percentile z -0.63
20.62
Mean
40.99
Window
-79.4%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.58 0.75
ATM IV 0.58 1.00 0.86
IV Percent... 0.75 0.86 1.00
Source observations

Data inspector

1-50 of 98
  • 1 / 2
Date Close IV Rank ATM IV IV Percentile
2026-09-11 49.88 51.44 0.7 20.62
2026-09-10 45.49 51.35 0.7 19.79
2026-09-09 46.67 52.42 0.71 22.11
2026-09-08 47.75 51.63 0.71 21.28
2026-09-07 48.91 53.51 0.73 22.58
2026-09-04 48.91 51.12 0.7 19.57
2026-09-03 49.71 50.64 0.7 16.48
2026-09-02 50 55.8 0.75 24.44
2026-09-01 50.43 50.05 0.69 15.73
2026-08-31 50.39 48.64 0.67 14.77
2026-08-28 47.78 42.82 0.61 2.3
2026-08-27 48.1 45.3 0.64 6.98
2026-08-26 48.94 48.03 0.67 9.41
2026-08-25 49.89 45.64 0.64 8.33
2026-08-24 50.2 48.61 0.67 9.64
2026-08-21 49.75 44.05 0.63 4.88
2026-08-20 46.8 43.39 0.62 3.7
2026-08-19 45.53 51.56 0.71 10
2026-08-18 45.23 45.38 0.64 5.06
2026-08-17 41.94 51.04 0.7 7.69
2026-08-14 42.08 48.57 0.67 5.19
2026-08-13 31.01 0 0.16 0
2026-08-12 29.85 38.28 0.83 24
2026-08-11 29.54 47.09 0.89 45.95
2026-08-10 29.35 49.43 0.9 54.79
2026-08-07 28.82 16.81 0.7 4.17
2026-08-06 27.19 53.35 0.93 61.97
2026-08-05 27.17 52.02 0.92 60
2026-08-04 27.28 49.14 0.9 53.62
2026-08-03 26.76 86.91 1.14 97.06
2026-07-31 25.23 64.13 0.99 86.57
2026-07-30 25.83 66.44 1.01 87.88
2026-07-29 25.04 48.36 0.9 50.77
2026-07-28 25.59 59.99 0.97 81.25
2026-07-27 25.37 55.94 0.94 68.25
2026-07-24 24.12 63.91 0.99 85.48
2026-07-23 24.61 74.3 1.06 93.44
2026-07-22 24.23 67.1 1.01 90
2026-07-21 25.44 61.54 0.98 88.14
2026-07-20 24.56 54.06 0.93 70.69
2026-07-17 24.88 57.33 0.95 80.7
2026-07-16 25.97 59.95 0.97 85.71
2026-07-15 27.25 61 0.97 87.27
2026-07-14 25.49 43.86 0.87 51.85
2026-07-13 26.16 46.93 0.89 56.6
2026-07-10 26.72 51.54 0.91 71.15
2026-07-09 27.72 42.89 0.86 52.94
2026-07-08 26.15 64 0.99 88
2026-07-07 27.29 53.18 0.93 73.47
2026-07-02 27.96 100 1.22 100