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Southwest Gas Holdings SWX 84.65 -1.2 -1.4%

SWX Historical Options Analysis

Explore SWX (Southwest Gas Holdings) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.

Previous-day view · Mon Sep 21 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

SWX / Comparative study

3 signals / 500 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.00
19.11
Mean
19.09
Window
+36.7%
ATM IV z -0.15
0.3
Mean
0.35
Window
+34.1%
IV Percentile z 1.42
83.6
Mean
44.05
Window
+620.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.64 0.67
ATM IV 0.64 1.00 0.55
IV Percent... 0.67 0.55 1.00
Source observations

Data inspector

1-50 of 500
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-09-21 84.65 19.11 0.3 83.6
2026-09-18 85.85 17.19 0.28 76.49
2026-09-17 86.51 18.9 0.3 83.27
2026-09-16 86.74 16.62 0.28 75.3
2026-09-15 86.82 10.83 0.22 40.64
2026-09-14 86.4 8.04 0.19 16.8
2026-09-11 86.11 7.65 0.18 11.95
2026-09-10 86.9 20.3 0.31 85.66
2026-09-09 87.86 11.7 0.22 42.63
2026-09-08 88.88 13.5 0.24 56.18
2026-09-07 88.06 10.96 0.21 37.6
2026-09-04 88.06 13.02 0.21 33.86
2026-09-03 88.69 14.52 0.22 43.43
2026-09-02 89.14 15.35 0.23 48.61
2026-09-01 89.35 19.64 0.28 74.8
2026-08-31 88.33 14.79 0.23 45.78
2026-08-28 89.1 12.69 0.2 25.2
2026-08-27 89.42 8.62 0.16 8
2026-08-26 90.61 7.42 0.15 6.4
2026-08-25 89.08 10.29 0.18 12
2026-08-24 89.57 20.69 0.29 77.91
2026-08-21 88.87 22.67 0.31 84
2026-08-20 91.3 15.03 0.23 45.6
2026-08-19 91.75 15.8 0.24 50.4
2026-08-18 91.71 20.73 0.29 78
2026-08-17 91.26 28.4 0.37 93.17
2026-08-14 92.6 8.74 0.16 8
2026-08-13 92.09 9.72 0.17 9.6
2026-08-12 92.17 9.74 0.17 9.6
2026-08-11 91.51 24.37 0.33 88
2026-08-10 90.56 22.83 0.31 83.94
2026-08-07 92.09 12.54 0.2 23.6
2026-08-06 92.4 11.14 0.19 16.8
2026-08-05 90.67 11.12 0.19 16.4
2026-08-04 89.05 18.99 0.27 67.6
2026-08-03 89.77 25.52 0.34 89.16
2026-07-31 89.4 36.92 0.46 94.4
2026-07-30 90.3 24.12 0.32 86.8
2026-07-29 91.8 29.52 0.38 92
2026-07-28 92.64 19.24 0.27 70
2026-07-27 92.01 18.31 0.26 65.06
2026-07-24 93.07 11.45 0.19 17.2
2026-07-23 93.01 19.03 0.27 67.6
2026-07-22 92.86 15.85 0.24 48.8
2026-07-21 92.22 20.2 0.28 74.4
2026-07-20 91.73 21.13 0.29 79.12
2026-07-17 92.06 16.21 0.24 52.8
2026-07-16 92.95 10.89 0.18 15.6
2026-07-15 91.25 19.04 0.27 66.4
2026-07-14 92.38 15.26 0.23 44.8