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National Healthcare Corp NHC 208.57 -1.17 -0.56%

Previous-day view · Tue Nov 10 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

NHC / Comparative study

3 signals / 490 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.38
6
Mean
10.97
Window
-70.5%
ATM IV z -0.43
0.32
Mean
0.48
Window
-71.2%
IV Percentile z 0.02
52.05
Mean
51.53
Window
-46.9%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 1.00 0.69
ATM IV 1.00 1.00 0.69
IV Percent... 0.69 0.69 1.00
Source observations

Data inspector

1-50 of 490
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-10 208.57 6 0.32 52.05
2026-11-09 209.74 5.99 0.32 51.85
2026-11-06 208.85 8.26 0.39 82.38
2026-11-05 207.62 7.17 0.36 71.31
2026-11-04 212.4 7.08 0.36 69.96
2026-11-03 205.83 7.36 0.36 71.94
2026-11-02 202.09 8.59 0.4 87.7
2026-10-30 206.14 9.01 0.41 90.08
2026-10-29 212.16 8.48 0.4 86.45
2026-10-28 211.79 7.82 0.38 79.6
2026-10-27 211.81 8.5 0.4 86.8
2026-10-26 223.7 7.83 0.38 80.32
2026-10-23 236.01 8.24 0.39 82.8
2026-10-22 243.07 7.36 0.36 73.6
2026-10-21 235.6 7.67 0.37 78.8
2026-10-20 247.94 6.59 0.34 64.8
2026-10-19 239.24 6.98 0.35 70.28
2026-10-15 245.53 6.53 0.34 62.4
2026-10-14 234.48 6.72 0.34 66.4
2026-10-13 231.39 6.71 0.34 65.6
2026-10-12 229.88 6.23 0.33 57.03
2026-10-09 227.11 6.39 0.34 59.6
2026-10-08 225.17 6.71 0.34 65.6
2026-10-07 221.19 6.28 0.33 58.4
2026-10-06 228.27 6.55 0.34 62.8
2026-10-05 230.37 6.56 0.34 63.05
2026-10-02 227.66 6.53 0.34 63.2
2026-10-01 223.35 6.01 0.32 53.2
2026-09-30 219.51 4.14 0.27 22.4
2026-09-29 224.16 7.07 0.36 69.2
2026-09-28 225.97 6.24 0.33 57.03
2026-09-25 227.36 5.68 0.31 44.8
2026-09-24 221.6 5.72 0.32 45.78
2026-09-23 224.87 5.84 0.32 50.2
2026-09-22 222.86 5.71 0.32 45.78
2026-09-21 223.31 5.75 0.32 46.37
2026-09-18 222.11 5.75 0.32 46.59
2026-09-17 224.84 5.35 0.3 41.37
2026-09-16 225.36 5.95 0.32 50.6
2026-09-15 226.61 5.15 0.3 36.95
2026-09-14 227.76 5.21 0.3 37.1
2026-09-11 224.47 5.01 0.29 34.14
2026-09-10 224.92 5.33 0.3 39.76
2026-09-09 227.24 7.61 0.37 73.9
2026-09-08 220.97 7.42 0.37 71.49
2026-09-04 218.64 7.28 0.36 71.08
2026-09-03 221.64 6.06 0.33 52.61
2026-09-02 217.34 6.49 0.34 60.64
2026-09-01 218.97 7.58 0.37 73.79
2026-08-31 216.53 5.67 0.31 47.37