NX · Quanex Building Products CORP

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$17.96 -1.49 (-7.66%) At close · Jul 29

Market Cap

$824.87M

45.93M

Options Chain

15-min delayed Underlying $17.96 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 22 contracts

Put / call OI

0.75

Balanced positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$17.50

$0.46 below spot

ATM implied vol

66.9%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	732.9%	0.977	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 732.9% Delta 0.977 ≈98% ITM Gamma 0.002 Theta -0.04 Vega 0.003 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	475.4%	0.953	—		$0.05	-0.013	280.3%	2	2
Call · $5 In the money Last — Breakeven — Implied vol 475.4% Delta 0.953 ≈95% ITM Gamma 0.005 Theta -0.046 Vega 0.005 Open interest 0 Model this call Put · $5 Last $0.05 Breakeven $4.95 Implied vol 280.3% Delta -0.013 ≈1% ITM Gamma 0.003 Theta -0.01 Vega 0.001 Open interest 2 Model this put
0	—	328%	0.931	—		$0.05	—	—	2	1
Call · $7.5 In the money Last — Breakeven — Implied vol 328% Delta 0.931 ≈93% ITM Gamma 0.009 Theta -0.043 Vega 0.007 Open interest 0 Model this call Put · $7.5 Last $0.05 Breakeven $7.45 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	240.8%	0.899	—		—	—	—	—	0
Call · $10 In the money Last — Breakeven — Implied vol 240.8% Delta 0.899 ≈90% ITM Gamma 0.016 Theta -0.042 Vega 0.008 Open interest 0 Model this call Put · $10 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	174.8%	0.853	—		$0.10	-0.114	143.1%	2	0
Call · $12.5 In the money Last — Breakeven — Implied vol 174.8% Delta 0.853 ≈85% ITM Gamma 0.029 Theta -0.04 Vega 0.01 Open interest 0 Model this call Put · $12.5 Last $0.10 Breakeven $12.40 Implied vol 143.1% Delta -0.114 ≈11% ITM Gamma 0.03 Theta -0.027 Vega 0.01 Open interest 0 Model this put
0	—	89.3%	0.823	—		—	-0.176	89.1%	—	0
Call · $15 In the money Last — Breakeven — Implied vol 89.3% Delta 0.823 ≈82% ITM Gamma 0.066 Theta -0.024 Vega 0.011 Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol 89.1% Delta -0.176 ≈18% ITM Gamma 0.066 Theta -0.023 Vega 0.011 Open interest 0 Model this put
1	1	94.8%	0.591	$1.70		—	-0.372	38.9%	—	0
Call · $17.5 In the money Last $1.70 Breakeven $19.20 Implied vol 94.8% Delta 0.591 ≈59% ITM Gamma 0.092 Theta -0.037 Vega 0.017 Open interest 1 Model this call Put · $17.5 Last — Breakeven — Implied vol 38.9% Delta -0.372 ≈37% ITM Gamma 0.22 Theta -0.014 Vega 0.017 Open interest 0 Model this put
Underlying $17.96
2	2	71.4%	0.305	$0.99		—	-0.79	49.6%	—	0
Call · $20 Last $0.99 Breakeven $20.99 Implied vol 71.4% Delta 0.305 ≈31% ITM Gamma 0.11 Theta -0.025 Vega 0.016 Open interest 2 Model this call Put · $20 In the money Last — Breakeven — Implied vol 49.6% Delta -0.79 ≈79% ITM Gamma 0.133 Theta -0.013 Vega 0.013 Open interest 0 Model this put
1	1	93.7%	0.199	$0.19		—	—	—	—	0
Call · $22.5 Last $0.19 Breakeven $22.69 Implied vol 93.7% Delta 0.199 ≈20% ITM Gamma 0.067 Theta -0.026 Vega 0.013 Open interest 1 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $25 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1423221 CUSIP 747619104 13F (30d) 28 filings 28 filers Visit website Investor relations