Golub Capital BDC Inc. (GBDC)
NASDAQ: GBDC
· Real-Time Price · USD
13.79
0.04 (0.29%)
At close: Sep 26, 2025, 3:59 PM
13.78
-0.07%
After-hours: Sep 26, 2025, 05:27 PM EDT
GBDC Option Overview
Overview for all option chains of GBDC. As of September 28, 2025, GBDC options have an IV of 145.72% and an IV rank of 103.14%. The volume is 160 contracts, which is 271.19% of average daily volume of 59 contracts. The volume put-call ratio is 0.07, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
145.72%IV Rank
100%Historical Volatility
18.41%IV Low
77.84% on May 28, 2025IV High
143.66% on Sep 16, 2025Open Interest (OI)
Today's Open Interest
3,137Put-Call Ratio
0.15Put Open Interest
405Call Open Interest
2,732Open Interest Avg (30-day)
2,852Today vs Open Interest Avg (30-day)
109.99%Option Volume
Today's Volume
160Put-Call Ratio
0.07Put Volume
10Call Volume
150Volume Avg (30-day)
59Today vs Volume Avg (30-day)
271.19%Option Chain Statistics
This table provides a comprehensive overview of all GBDC options grouped by their expiration dates.
Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
Oct 17, 2025 | 0 | 0 | 0 | 112 | 22 | 0.2 | 145.72% | 12.5 |
Nov 21, 2025 | 0 | 0 | 0 | 1,341 | 171 | 0.13 | 92.11% | 15 |
Jan 16, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 18.18% | 95 |
Feb 20, 2026 | 148 | 10 | 0.07 | 1,271 | 206 | 0.16 | 66.65% | 15 |
May 15, 2026 | 2 | 0 | 0 | 8 | 6 | 0.75 | 68.38% | 15 |