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Southside Bancshares SBSI

US equityMarket cap rank #3310Banks - Regional
$30.10 −$0.09 (-0.30%)
Pre-market · Oct 8, 9:00 am ET · After hours $30.10 0.00%
Open$29.81
Prev close$30.19
Day range$29.59 – $30.23
Volume178.1K
Market cap$897.22M
P/E (TTM)11.8
Dividend yield4.78%

Average implied volatility across the listed chain right now: 97%. 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

1820232530354045CallsPuts

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

17%88%158%229%182545CallsPuts

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 $30.00 $0.98 $0.00/$4.90 0 0 50%
16 Oct 2026 $35.00 $0.00 $0.00/$4.30 0 2 35%
16 Oct 2026 $25.00 $5.20 $3.00/$7.50 0 0 87%
16 Oct 2026 $22.50 $7.69 $5.50/$10.00 0 0 125%
16 Oct 2026 $40.00 $0.00 $0.00/$4.30 0 0 52%
16 Oct 2026 $20.00 $10.19 $8.00/$12.50 0 0 165%
16 Oct 2026 $17.50 $12.69 $10.50/$15.00 0 0 211%
16 Oct 2026 $45.00 $0.00 $0.00/$4.30 0 0 71%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $30.00 $0.80 $0.00/$4.70 0 1 47%
16 Oct 2026 $35.00 $4.82 $3.00/$7.30 0 0 87%
16 Oct 2026 $25.00 $0.02 $0.00/$4.30 0 0 60%
16 Oct 2026 $22.50 $0.00 $0.00/$4.30 0 0 69%
16 Oct 2026 $40.00 $9.81 $8.70/$11.70 0 0 142%
16 Oct 2026 $20.00 $0.00 $0.00/$0.20 0 0 74%
16 Oct 2026 $17.50 $0.00 $0.00/$4.30 0 0 97%
16 Oct 2026 $45.00 $14.81 $13.90/$16.40 0 0 176%

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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