GBDC Open Interest

Golub Capital BDC Inc (GBDC) had 7.64K open option contracts as of Nov 9, 2026: 1.73K calls and 5.92K puts. Open interest rose 28.5% over the past four weeks. The put/call open interest ratio is 3.43, which signals bearish sentiment.

Open Interest by Strike

Showing results for GBDC, 2026-11-20(m), calls & puts

       

Open Interest Stats

Showing results for GBDC, 2026-11-20(m), calls & puts

Call Open Interest Total
Put Open Interest Total
Open Interest Total
Put-Call Open Interest Ratio

Highest Open Interest Options

Showing results for GBDC, 2026-11-20(m), calls & puts

       

Open Interest Total by Expiry

Showing results for GBDC, 2026-11-20(m), calls & puts. View all expiries

       

Open Interest History

Showing daily totals for GBDC, all expirations, calls & puts. View full history

       

GBDC Open Interest FAQ

What is open interest?

Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.

How much open interest does GBDC have?

Golub Capital BDC had 7.64K open option contracts as of Nov 9, 2026. Over the past 30 days, open interest averaged 6.91K contracts.

Is GBDC open interest rising or falling?

Open interest rose 28.5% over the past four weeks. It was 5.95K contracts on Oct 12, 2026. See the GBDC open interest history for a longer view.

What is the GBDC put/call open interest ratio?

The Golub Capital BDC put/call open interest ratio was 3.43 as of Nov 9, 2026. Four weeks earlier it was 2.47.

What is Golub Capital BDC Inc?

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

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