GBDC Option Overview

15 calls and 1 puts traded on Nov 9, 2026, 16 contracts in total. Over the past 30 days, volume averaged 117 contracts per day. The GBDC option volume chart shows volume by strike and expiration date.

Golub Capital BDC IV rank is 14, so its 30-day implied volatility of 33.0% is near the bottom of its one-year range. Over the past year it ranged from 11.9% on Aug 21, 2026 to 167.1% on Jul 17, 2026. See the GBDC implied volatility history for a longer view.

The Golub Capital BDC put/call volume ratio was 0.07 on Nov 9, 2026, which signals bullish sentiment. The GBDC open interest chart shows calls and puts at each strike.

As of the Nov 9, 2026 close, max pain for Golub Capital BDC options about one week from expiration was $12.50, 1.6% below the $12.70 close. The GBDC max pain chart shows it for every expiration date.

Based on 7-day implied volatility of 38.3%, options price a move of about ±$0.67 (±5.3%) over the next week, a range of roughly $12.03 to $13.37 from the Nov 9, 2026 close. The GBDC expected move chart shows it for every expiration date.

Golub Capital BDC Inc. is an externally managed, closed-end, non-diversified management investment company.