Golub Capital BDC Inc. (GBDC)
NASDAQ: GBDC
· Real-Time Price · USD
14.80
-0.09 (-0.60%)
At close: Aug 14, 2025, 3:59 PM
14.80
0.00%
Pre-market: Aug 15, 2025, 07:00 AM EDT
GBDC Option Overview
Overview for all option chains of GBDC. As of August 15, 2025, GBDC options have an IV of 500% and an IV rank of 349.37%. The volume is 38 contracts, which is 47.5% of average daily volume of 80 contracts. The volume put-call ratio is 0.27, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
349.37%Historical Volatility
13.7%IV Low
79.84% on Feb 05, 2025IV High
200.1% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
4,874Put-Call Ratio
0.27Put Open Interest
1,047Call Open Interest
3,827Open Interest Avg (30-day)
4,536Today vs Open Interest Avg (30-day)
107.45%Option Volume
Today's Volume
38Put-Call Ratio
0.27Put Volume
8Call Volume
30Volume Avg (30-day)
80Today vs Volume Avg (30-day)
47.5%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 |
| Aug 15, 2025 | 19 | 3 | 0.16 | 1,537 | 714 | 0.46 | 500% | 15 |
| Sep 19, 2025 | 11 | 5 | 0.45 | 48 | 106 | 2.21 | 146.01% | 15 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 125.66% | 2.5 |
| Nov 21, 2025 | 0 | 0 | 0 | 1,199 | 212 | 0.18 | 92.18% | 15 |
| Jan 16, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 18.18% | 95 |
| Feb 20, 2026 | 0 | 0 | 0 | 1,043 | 15 | 0.01 | 63.73% | 12.5 |