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Dropbox DBX 36.48 -1.13 -3.0%

Previous-day view · Fri Sep 18 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

DBX / Comparative study

3 signals / 502 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.71
10.76
Mean
24.58
Window
-29.4%
ATM IV z -0.08
0.36
Mean
0.36
Window
+31.9%
IV Percentile z -0.73
40.24
Mean
58.33
Window
-9.5%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.71 0.76
ATM IV 0.71 1.00 0.79
IV Percent... 0.76 0.79 1.00
Source observations

Data inspector

1-50 of 502
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-18 36.48 10.76 0.36 40.24
2026-09-17 37.61 12.77 0.38 52.59
2026-09-16 37.74 13.33 0.38 55.38
2026-09-15 37.63 10.67 0.36 40.64
2026-09-14 37.31 9.75 0.35 28.8
2026-09-11 35.56 13.2 0.38 55.38
2026-09-10 35.05 11.21 0.36 44.22
2026-09-09 34.59 10.89 0.36 42.63
2026-09-08 33.81 11.7 0.37 47.41
2026-09-07 35.22 8.44 0.33 23.6
2026-09-04 34.83 9.76 0.35 31.47
2026-09-03 35.7 9.98 0.35 33.86
2026-09-02 34.5 7.31 0.32 20.72
2026-09-01 34.26 11 0.36 43.2
2026-08-31 35.19 5.63 0.3 16.87
2026-08-28 35.7 8.75 0.34 27.2
2026-08-27 35.88 7.46 0.32 21.6
2026-08-26 34.8 13.69 0.39 56.8
2026-08-25 34.78 9.76 0.35 32.4
2026-08-24 34.88 15.96 0.41 66.27
2026-08-21 34.47 9.47 0.34 32
2026-08-20 34 12.83 0.38 54.4
2026-08-19 33.99 11.21 0.36 45.6
2026-08-18 33.87 11.85 0.37 49.6
2026-08-17 33.38 10.04 0.35 36.55
2026-08-14 34.42 9.89 0.35 36
2026-08-13 35.93 15.52 0.41 65.2
2026-08-12 33.63 11.63 0.36 48.4
2026-08-11 34.08 11.61 0.36 48.4
2026-08-10 34.59 13.75 0.39 57.83
2026-08-07 34.81 9.83 0.35 36.8
2026-08-06 34.54 20.18 0.45 81.2
2026-08-05 35 22.94 0.48 88.8
2026-08-04 34.51 24.44 0.5 92.4
2026-08-03 33.05 24.02 0.49 91.57
2026-07-31 32.56 32.13 0.58 96.4
2026-07-30 32.11 39.54 0.65 98
2026-07-29 33.33 23.87 0.49 92.4
2026-07-28 32.06 26.37 0.52 95.2
2026-07-27 30.54 21.31 0.46 87.15
2026-07-24 29.19 19.57 0.45 82
2026-07-23 28.43 37.34 0.63 98
2026-07-22 28.69 19.29 0.44 82
2026-07-21 29.42 18.71 0.44 80.8
2026-07-20 30.53 19.56 0.45 82.33
2026-07-17 30.62 20.72 0.46 86.8
2026-07-16 30.45 17.17 0.42 74.8
2026-07-15 30.35 18.09 0.43 78.8
2026-07-14 29.97 13.78 0.39 58.8
2026-07-13 29.58 16.81 0.42 73.09