Golub Capital BDC Inc. (GBDC)
NASDAQ: GBDC
· Real-Time Price · USD
13.83
0.09 (0.66%)
At close: Oct 03, 2025, 3:59 PM
13.84
0.07%
After-hours: Oct 03, 2025, 06:50 PM EDT
GBDC Option Overview
Overview for all option chains of GBDC. As of October 05, 2025, GBDC options have an IV of 177.87% and an IV rank of 151.98%. The volume is 611 contracts, which is 629.9% of average daily volume of 97 contracts. The volume put-call ratio is 4.55, indicating a bearish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
177.87%IV Rank
100%Historical Volatility
19.62%IV Low
77.84% on May 28, 2025IV High
143.66% on Sep 16, 2025Open Interest (OI)
Today's Open Interest
3,352Put-Call Ratio
0.15Put Open Interest
443Call Open Interest
2,909Open Interest Avg (30-day)
3,000Today vs Open Interest Avg (30-day)
111.73%Option Volume
Today's Volume
611Put-Call Ratio
4.55Put Volume
501Call Volume
110Volume Avg (30-day)
97Today vs Volume Avg (30-day)
629.9%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 | 2 | 500 | 250 | 112 | 55 | 0.49 | 177.87% | 15 |
Nov 21, 2025 | 62 | 0 | 0 | 1,307 | 165 | 0.13 | 108.34% | 15 |
Jan 16, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 18.18% | 95 |
Feb 20, 2026 | 23 | 0 | 0 | 1,411 | 216 | 0.15 | 64.27% | 15 |
May 15, 2026 | 23 | 1 | 0.04 | 79 | 7 | 0.09 | 62.48% | 12.5 |