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Quanex Building Products NX

US equityMarket cap rank #3373Building Products & Equipment
$18.09 −$0.30 (-1.63%)
Market open · Oct 8, 10:00 am ET · After hours $18.39 0.00%
Open$17.96
Prev close$18.39
Day range$17.91 – $18.25
Volume13.2K
Market cap$829.00M
P/E (TTM)18.6
Dividend yield1.77%

Average implied volatility across the listed chain right now: 167%. 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

2.507.5013182330CallsPuts

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

-49%146%341%536%2.501530CallsPuts

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 $17.50 $1.53 $0.50/$2.50 0 2 90%
16 Oct 2026 $20.00 $0.21 $0.00/$0.75 0 31 65%
16 Oct 2026 $15.00 $3.90 $2.75/$5.30 0 0 184%
16 Oct 2026 $22.50 $0.01 $0.00/$0.75 0 1 59%
16 Oct 2026 $12.50 $6.40 $5.20/$7.00 0 0 195%
16 Oct 2026 $25.00 $0.00 $0.00/$0.75 0 1 63%
16 Oct 2026 $10.00 $8.90 $7.70/$9.80 0 0 328%
16 Oct 2026 $7.50 $11.40 $10.10/$12.60 0 0 488%
16 Oct 2026 $30.00 $0.00 $0.00/$0.75 0 5 88%
16 Oct 2026 $5.00 $13.89 $12.20/$14.70 0 0 435%
16 Oct 2026 $2.50 $16.39 $14.00/$17.60 0 0 0%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $17.50 $0.12 $0.00/$0.80 0 0 40%
16 Oct 2026 $20.00 $1.32 $0.60/$3.10 0 0 70%
16 Oct 2026 $15.00 $0.00 $0.00/$0.75 0 0 47%
16 Oct 2026 $22.50 $3.65 $3.60/$4.80 0 0 95%
16 Oct 2026 $12.50 $0.00 $0.00/$0.75 0 0 73%
16 Oct 2026 $25.00 $6.15 $6.00/$7.50 0 1 142%
16 Oct 2026 $10.00 $0.00 $0.00/$0.75 0 0 112%
16 Oct 2026 $7.50 $0.00 $0.00/$0.75 0 0 163%
16 Oct 2026 $30.00 $11.15 $10.50/$12.90 0 0 186%
16 Oct 2026 $5.00 $0.00 $0.00/$0.75 0 0 234%
16 Oct 2026 $2.50 $0.00 $0.00/$0.05 0 0 357%

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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