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Five Star Bancorp FSBC

US equityMarket cap rank #3213
$42.11 −$0.24 (-0.57%)
Market open · Oct 8, 10:50 am ET · After hours $42.35 0.00%
Open$42.14
Prev close$42.35
Day range$42.11 – $42.32
Volume12.3K
Market cap$1.03B
P/E (TTM)12.5
Dividend yield2.14%

Average implied volatility across the listed chain right now: 76%. 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.

Open interest by strike

25303540455055606570CallsPuts

Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.

Implied volatility by strike

-13%40%93%145%254570CallsPuts

The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $40.00 $3.09 $0.80/$4.90 0 0 57%
16 Oct 2026 $45.00 $0.59 $0.00/$4.70 0 0 60%
16 Oct 2026 $35.00 $7.46 $5.50/$9.80 0 0 106%
16 Oct 2026 $50.00 $0.05 $0.00/$4.90 0 0 60%
16 Oct 2026 $30.00 $12.39 $11.10/$13.50 0 0 82%
16 Oct 2026 $55.00 $0.00 $0.00/$4.90 0 0 60%
16 Oct 2026 $25.00 $17.39 $16.10/$18.50 0 0 132%
16 Oct 2026 $60.00 $0.00 $0.00/$4.90 0 0 62%
16 Oct 2026 $65.00 $0.00 $0.00/$4.90 0 0 75%
16 Oct 2026 $70.00 $0.00 $0.00/$1.95 0 0 87%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $40.00 $0.69 $0.00/$0.75 0 0 64%
16 Oct 2026 $45.00 $3.19 $1.20/$4.90 0 0 49%
16 Oct 2026 $35.00 $0.06 $0.00/$0.75 0 0 71%
16 Oct 2026 $50.00 $7.67 $5.50/$9.30 0 0 0%
16 Oct 2026 $30.00 $0.00 $0.00/$0.20 0 0 78%
16 Oct 2026 $55.00 $12.65 $11.50/$13.90 0 0 0%
16 Oct 2026 $25.00 $0.00 $0.00/$0.75 0 0 93%
16 Oct 2026 $60.00 $17.65 $16.50/$18.90 0 0 0%
16 Oct 2026 $65.00 $22.65 $21.20/$24.20 0 0 0%
16 Oct 2026 $70.00 $27.65 $26.20/$29.20 0 0 0%

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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