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Northfield Bancorp NFBK 15.43 0.0 0.0%

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

NFBK / Comparative study

3 signals / 504 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 0.62
19.57
Mean
11
Window
-1.6%
ATM IV z -0.20
0.9
Mean
1.13
Window
-46.6%
IV Percentile z 1.31
83.47
Mean
42.54
Window
+1.8%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.93 0.74
ATM IV 0.93 1.00 0.75
IV Percent... 0.74 0.75 1.00
Source observations

Data inspector

1-50 of 504
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-11 15.43 19.57 0.9 83.47
2026-09-10 15.43 18.1 0.84 81.85
2026-09-09 15.43 16.87 0.8 78.23
2026-09-08 15.43 15.83 0.76 74.6
2026-09-07 15.43 14.93 0.72 72.87
2026-09-04 15.43 12.84 0.64 66.13
2026-09-03 15.43 2.76 0.25 11.29
2026-09-02 15.43 2.56 0.25 10.89
2026-09-01 15.43 2.37 0.24 9.72
2026-08-31 15.43 2.2 0.23 9.35
2026-08-28 15.43 1.76 0.21 8.5
2026-08-27 15.43 1.63 0.21 8.1
2026-08-26 15.43 1.51 0.2 7.69
2026-08-25 15.43 1.4 0.2 6.88
2026-08-24 15.43 1.29 0.2 6.5
2026-08-21 15.43 1.02 0.19 5.67
2026-08-20 15.43 0.93 0.18 5.26
2026-08-19 15.43 0.85 0.18 4.86
2026-08-18 15.43 0.78 0.18 4.45
2026-08-17 15.43 0.71 0.17 4.07
2026-08-14 15.43 0.51 0.17 3.64
2026-08-13 15.43 0.45 0.16 3.24
2026-08-12 15.43 0.39 0.16 2.83
2026-08-11 15.43 0.34 0.16 2.43
2026-08-10 15.43 0.28 0.16 2.03
2026-08-07 15.43 0.13 0.15 1.62
2026-08-06 15.43 0.09 0.15 1.21
2026-08-05 15.43 0.04 0.15 0.4
2026-08-04 15.43 0 0.15 0
2026-08-03 15.43 0 0.15 0
2026-07-31 15.43 5.95 0.42 25.51
2026-07-30 15.43 5.72 0.41 23.48
2026-07-29 15.43 5.43 0.4 21.86
2026-07-28 15.43 5.21 0.39 20.65
2026-07-27 15.43 5 0.39 19.11
2026-07-24 15.43 4.45 0.37 16.6
2026-07-23 15.43 4.29 0.36 14.57
2026-07-22 15.43 4.13 0.35 13.77
2026-07-21 15.43 3.98 0.35 12.55
2026-07-20 15.31 2.6 0.29 5.69
2026-07-17 14.86 3.62 0.33 9.31
2026-07-16 14.66 0.18 0.2 0.4
2026-07-15 14.75 2.57 0.29 4.86
2026-07-14 14.72 2.23 0.28 4.05
2026-07-13 14.62 1.83 0.27 2.85
2026-07-10 14.54 0 0.2 0
2026-07-09 14.72 2.91 0.33 7.29
2026-07-08 14.66 0 0.22 0
2026-07-07 14.84 0.46 0.26 1.21
2026-07-02 14.79 0.87 0.28 2.02