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Hudson Technologies Inc HDSN 5.2 -0.13 -2.44%

Previous-day view · Tue Sep 15 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

HDSN / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.82
9.33
Mean
23.39
Window
-19.8%
ATM IV z -0.69
0.42
Mean
0.63
Window
+17.5%
IV Percentile z -1.83
5.16
Mean
56.61
Window
-63.1%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.71 0.74
ATM IV 0.71 1.00 0.70
IV Percent... 0.74 0.70 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-15 5.2 9.33 0.42 5.16
2026-09-14 5.33 10.58 0.48 13.94
2026-09-11 5.41 11.12 0.5 17.46
2026-09-10 5.35 10.14 0.46 11.51
2026-09-09 5.32 10.71 0.48 15.87
2026-09-08 5.35 10.05 0.45 11.51
2026-09-07 5.5 12.51 0.56 29.08
2026-09-04 5.35 11.33 0.51 19.05
2026-09-03 5.25 10.32 0.47 14.68
2026-09-02 5.12 9.11 0.41 7.94
2026-09-01 5.14 10.3 0.47 14.34
2026-08-31 5.34 11.51 0.52 20
2026-08-28 5.43 14.33 0.65 45.42
2026-08-27 5.48 13.23 0.6 34.26
2026-08-26 5.29 15.37 0.69 54.58
2026-08-25 5.47 12.96 0.58 34.66
2026-08-24 5.52 12.73 0.57 32
2026-08-21 5.63 11.99 0.54 26.29
2026-08-20 5.57 11.25 0.51 20.72
2026-08-19 5.86 9.35 0.42 11.55
2026-08-18 5.63 10.29 0.46 17.13
2026-08-17 6.15 9.61 0.43 12.8
2026-08-14 5.67 15.72 0.71 58.17
2026-08-13 5.67 15.15 0.68 52.59
2026-08-12 5.6 15.68 0.71 58.17
2026-08-11 5.53 19.93 0.9 74.5
2026-08-10 5.7 18.08 0.82 68.8
2026-08-07 5.59 24.97 1.13 85.26
2026-08-06 5.66 21.24 0.96 79.68
2026-08-05 6.22 17.63 0.79 68.53
2026-08-04 6.32 16.65 0.75 64.94
2026-08-03 6.23 28.8 1.3 94
2026-07-31 6.04 16.67 0.75 66.53
2026-07-30 5.8 18.88 0.85 71.71
2026-07-29 5.84 23.2 1.05 82.47
2026-07-28 6.16 16.62 0.75 65.74
2026-07-27 6.24 17.38 0.78 68.8
2026-07-24 6.34 16.66 0.75 66.53
2026-07-23 6.33 18.53 0.84 71.31
2026-07-22 6.19 13.74 0.62 43.03
2026-07-21 6 15.21 0.69 58.17
2026-07-20 6.11 14.16 0.64 49.2
2026-07-17 6.17 14.01 0.63 47.01
2026-07-16 6.31 17.22 0.78 69.32
2026-07-15 6.23 13.38 0.6 40.64
2026-07-14 6.23 14.33 0.65 51.79
2026-07-13 6.2 13.39 0.6 41.2
2026-07-10 6.45 11.38 0.51 26.29
2026-07-09 6.41 16.04 0.72 64.54
2026-07-08 6.44 14.52 0.66 54.98