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Golub Capital BDC GBDC 12.6 0.06 0.48%

GBDC Historical Options Analysis

Explore GBDC (Golub Capital BDC) 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

GBDC / Comparative study

3 signals / 508 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z -0.51
2.41
Mean
10.29
Window
-37.7%
ATM IV z -0.61
0.16
Mean
0.33
Window
-22.1%
IV Percentile z -1.76
3.88
Mean
51.85
Window
-90.7%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.85 0.59
ATM IV 0.85 1.00 0.64
IV Percent... 0.59 0.64 1.00
Source observations

Data inspector

1-50 of 508
  • 1 / 11
Date Close IV Rank ATM IV IV Percentile
2026-09-21 12.6 2.41 0.16 3.88
2026-09-18 12.54 1.91 0.14 0.39
2026-09-17 12.73 2.58 0.16 3.86
2026-09-16 12.45 2.18 0.15 1.54
2026-09-15 12.43 0 0.07 0
2026-09-14 12.47 1.56 0.2 5.43
2026-09-11 12.79 2.58 0.23 14.29
2026-09-10 12.7 2.14 0.22 8.88
2026-09-09 12.83 7.5 0.4 72.59
2026-09-08 12.78 7.51 0.4 73.36
2026-09-07 13 8.33 0.43 75.97
2026-09-04 13 7.92 0.42 75.29
2026-09-03 12.97 19.11 0.81 93.44
2026-09-02 12.95 14.93 0.66 90.35
2026-09-01 12.89 3.37 0.26 25.58
2026-08-31 13.16 6.46 0.37 67.7
2026-08-28 13.03 2.33 0.22 12.02
2026-08-27 13.07 3.87 0.27 35.66
2026-08-26 13.11 4.39 0.29 46.51
2026-08-25 13.11 5.39 0.33 58.14
2026-08-24 13.24 8.94 0.45 77.82
2026-08-21 13.2 2.86 0.24 20.16
2026-08-20 13.21 4.35 0.29 46.9
2026-08-19 13.17 3.74 0.27 34.88
2026-08-18 13.07 3.09 0.25 24.03
2026-08-17 13.12 3.44 0.26 28.02
2026-08-14 13.26 4.03 0.28 40.31
2026-08-13 13.4 17.66 0.76 93.41
2026-08-12 13.09 4.08 0.28 42.25
2026-08-11 13.18 2.81 0.24 22.48
2026-08-10 13.13 3.59 0.26 32.3
2026-08-07 13.17 17.34 0.75 93.02
2026-08-06 13.06 2.78 0.24 22.87
2026-08-05 12.81 1.99 0.21 16.28
2026-08-04 13.08 2.87 0.24 23.64
2026-08-03 13.19 7.09 0.39 70.82
2026-07-31 12.83 3.98 0.28 41.09
2026-07-30 12.84 7.31 0.4 73.64
2026-07-29 12.8 5 0.31 55.43
2026-07-28 12.96 4.17 0.28 45.35
2026-07-27 12.88 4.65 0.3 52.92
2026-07-24 12.78 4.17 0.29 46.12
2026-07-23 12.78 3.39 0.26 32.56
2026-07-22 12.85 3.89 0.28 41.86
2026-07-21 13.01 3.98 0.27 39.53
2026-07-20 12.95 4.55 0.29 48.25
2026-07-17 13.06 3.85 0.27 37.21
2026-07-16 13.33 6.28 0.35 67.83
2026-07-15 13.24 4.96 0.31 54.65
2026-07-14 13.02 4.11 0.28 43.41