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Green Plains Inc GPRE

US equityMarket cap rank #3194Chemicals
$15.34 +$0.18 (+1.19%)
Market closed · Oct 8, 4:20 am ET · Last extended-hours $15.34 0.00%
Open$15.20
Prev close$15.16
Day range$15.02 – $15.38
Volume969.5K
Market cap$1.08B
P/E (TTM)9.2
Dividend yield–

Average implied volatility across the listed chain right now: 112%. 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

8.001114172023262930CallsPuts

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

-29%87%204%320%8.001930CallsPuts

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 $15.00 $0.58 $0.50/$0.90 0 380 55%
16 Oct 2026 $16.00 $0.15 $0.05/$0.40 0 1,006 51%
16 Oct 2026 $14.00 $1.40 $1.00/$1.65 0 94 0%
16 Oct 2026 $17.00 $0.05 $0.00/$0.10 9 657 50%
16 Oct 2026 $13.00 $2.25 $1.90/$2.65 0 8 0%
16 Oct 2026 $18.00 $0.05 $0.00/$0.25 10 219 69%
16 Oct 2026 $12.00 $3.21 $2.50/$3.90 0 0 0%
16 Oct 2026 $19.00 $0.07 $0.00/$0.35 0 63 94%
16 Oct 2026 $11.00 $4.20 $3.70/$4.90 0 0 0%
16 Oct 2026 $20.00 $0.05 $0.00/$0.35 0 8 101%
16 Oct 2026 $10.00 $5.20 $4.50/$5.80 0 0 0%
16 Oct 2026 $21.00 $0.02 $0.00/$0.35 0 0 101%
16 Oct 2026 $9.00 $6.20 $5.70/$6.80 0 0 0%
16 Oct 2026 $22.00 $0.01 $0.00/$0.35 0 0 102%
16 Oct 2026 $8.00 $7.20 $6.70/$7.80 0 0 0%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $15.00 $0.38 $0.05/$0.40 0 329 41%
16 Oct 2026 $16.00 $0.95 $0.60/$1.40 0 1 66%
16 Oct 2026 $14.00 $0.15 $0.00/$0.30 7 183 67%
16 Oct 2026 $17.00 $1.93 $1.40/$2.20 0 6 70%
16 Oct 2026 $13.00 $0.05 $0.00/$0.35 0 19 74%
16 Oct 2026 $18.00 $2.91 $2.20/$3.40 0 0 93%
16 Oct 2026 $12.00 $0.01 $0.00/$0.35 0 73 73%
16 Oct 2026 $19.00 $3.88 $3.20/$4.40 0 0 114%
16 Oct 2026 $11.00 $0.00 $0.00/$0.35 0 2 73%
16 Oct 2026 $20.00 $4.86 $4.20/$5.40 0 0 133%
16 Oct 2026 $10.00 $0.00 $0.00/$0.15 0 0 81%
16 Oct 2026 $21.00 $5.84 $5.20/$6.50 0 0 161%
16 Oct 2026 $9.00 $0.00 $0.00/$0.35 0 0 100%
16 Oct 2026 $22.00 $6.84 $6.20/$7.40 0 0 165%
16 Oct 2026 $8.00 $0.00 $0.00/$0.35 0 0 121%

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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