Stocks › GSBC
Great Southern Bancorp GSBC
US equityMarket cap rank #3315
$80.76 +$0.03 (+0.04%)
Market closed · Nov 6, 8:20 pm ET · Last extended-hours $80.76 0.00%
Open$80.36
Prev close$80.73
Day range$79.95 – $81.18
Volume59.3K
Market cap$868.31M
P/E (TTM)14.1
Dividend yield2.13%
Average implied volatility across the listed chain right now: 87%. 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
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
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $80.00 | $3.10 | $1.55/$2.85 | 0 | 1 | 29% |
| 20 Nov 2026 | $85.00 | $2.23 | $0.00/$4.90 | 0 | 1 | 64% |
| 20 Nov 2026 | $75.00 | $6.48 | $4.50/$9.00 | 0 | 0 | 50% |
| 20 Nov 2026 | $90.00 | $1.84 | $0.00/$4.90 | 0 | 0 | 81% |
| 20 Nov 2026 | $70.00 | $10.93 | $9.00/$13.50 | 0 | 0 | 59% |
| 20 Nov 2026 | $95.00 | $1.53 | $0.00/$4.90 | 0 | 0 | 94% |
| 20 Nov 2026 | $65.00 | $15.82 | $14.00/$18.50 | 0 | 0 | 82% |
| 20 Nov 2026 | $100.00 | $1.28 | $0.00/$4.90 | 0 | 0 | 105% |
| 20 Nov 2026 | $60.00 | $20.81 | $19.00/$23.50 | 0 | 0 | 106% |
| 20 Nov 2026 | $105.00 | $1.09 | $0.00/$4.90 | 0 | 0 | 115% |
| 20 Nov 2026 | $55.00 | $25.80 | $24.00/$28.50 | 0 | 0 | 131% |
| 20 Nov 2026 | $110.00 | $0.93 | $0.00/$4.90 | 0 | 0 | 123% |
| 20 Nov 2026 | $50.00 | $30.79 | $29.00/$33.50 | 0 | 0 | 158% |
| 20 Nov 2026 | $115.00 | $0.81 | $0.00/$4.90 | 0 | 0 | 131% |
| 20 Nov 2026 | $45.00 | $35.78 | $34.00/$38.50 | 0 | 0 | 188% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $80.00 | $2.27 | $0.70/$3.60 | 0 | 0 | 43% |
| 20 Nov 2026 | $85.00 | $6.40 | $2.55/$6.80 | 0 | 0 | 31% |
| 20 Nov 2026 | $75.00 | $0.65 | $0.00/$4.90 | 0 | 0 | 44% |
| 20 Nov 2026 | $90.00 | $11.00 | $7.40/$11.50 | 0 | 0 | 44% |
| 20 Nov 2026 | $70.00 | $0.11 | $0.00/$4.90 | 0 | 0 | 44% |
| 20 Nov 2026 | $95.00 | $15.69 | $12.30/$16.50 | 0 | 0 | 57% |
| 20 Nov 2026 | $65.00 | $0.01 | $0.00/$4.90 | 0 | 0 | 44% |
| 20 Nov 2026 | $100.00 | $20.44 | $17.00/$21.50 | 0 | 0 | 56% |
| 20 Nov 2026 | $60.00 | $0.00 | $0.00/$4.90 | 0 | 0 | 44% |
| 20 Nov 2026 | $105.00 | $25.25 | $22.30/$26.50 | 0 | 0 | 82% |
| 20 Nov 2026 | $55.00 | $0.00 | $0.00/$4.90 | 0 | 0 | 53% |
| 20 Nov 2026 | $110.00 | $30.09 | $27.30/$31.50 | 0 | 0 | 94% |
| 20 Nov 2026 | $50.00 | $0.00 | $0.00/$0.30 | 0 | 0 | 66% |
| 20 Nov 2026 | $115.00 | $34.96 | $32.30/$36.50 | 0 | 0 | 105% |
| 20 Nov 2026 | $45.00 | $0.00 | $0.00/$4.90 | 0 | 0 | 80% |
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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