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Golub Capital BDC GBDC

US equityMarket cap rank #2424
$12.38 −$0.16 (-1.28%)
Pre-market · Oct 6, 8:00 am ET · After hours $12.38 0.00%
Open$12.58
Prev close$12.54
Day range$12.37 – $12.66
Volume1.92M
Market cap$3.21B
P/E (TTM)18.8
Dividend yield11.63%

Average implied volatility across the listed chain right now: 184%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $12.50 $0.22 $0.00/$0.65 0 228 32%
16 Oct 2026 $10.00 $2.56 $1.80/$3.90 0 4 177%
16 Oct 2026 $15.00 $0.00 $0.00/$0.10 0 0 49%
16 Oct 2026 $7.50 $5.05 $4.50/$6.40 0 0 338%
16 Oct 2026 $17.50 $0.00 $0.00/$1.65 0 0 59%
16 Oct 2026 $5.00 $7.55 $6.90/$8.90 0 0 522%
16 Oct 2026 $20.00 $0.00 $0.00/$1.65 0 0 80%
16 Oct 2026 $2.50 $10.04 $8.70/$11.40 0 0 640%
16 Oct 2026 $22.50 $0.00 $0.00/$1.65 0 0 97%
16 Oct 2026 $25.00 $0.00 $0.00/$1.65 0 0 113%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $12.50 $0.16 $0.00/$0.35 0 57 11%
16 Oct 2026 $10.00 $0.00 $0.00/$0.20 0 0 53%
16 Oct 2026 $15.00 $2.46 $1.10/$4.40 0 0 99%
16 Oct 2026 $7.50 $0.00 $0.00/$1.05 0 2 86%
16 Oct 2026 $17.50 $4.96 $4.30/$6.90 0 0 217%
16 Oct 2026 $5.00 $0.00 $0.00/$0.05 0 4 151%
16 Oct 2026 $20.00 $7.46 $6.60/$9.20 0 0 226%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 4 264%
16 Oct 2026 $22.50 $9.96 $8.60/$11.90 0 0 223%
16 Oct 2026 $25.00 $12.46 $11.10/$14.40 0 0 251%

Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.

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