Quanex Building Products (NX) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

Closed at $19.32, +6.10% vs the prior close of $18.21.
Volume 336.50K shares, 0.8x its 50-day average.
No new SEC filings since the prior session.
No new insider buys or sales reported since the prior session.

NX jumps 6.1% to $19.32. Closed at $19.32, +6.10% vs the prior close of $18.21. Day range $18.42–$19.36, opened at $18.44.

Last close$19.32+6.10%

Day range18.42–19.36

Open18.44

Volume336.50K

52-week range11.04–23.33

Avg volume (20d)418.55K

NX daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — NX jumps 6.1% to $19.32

Closed at $19.32, +6.10% vs the prior close of $18.21. Day range $18.42–$19.36, opened at $18.44.
Volume was 336.50K shares, 0.8x its 50-day average of 418.43K.
Price is -3.6% vs its 50-day average ($20.04) and +2.2% vs its 200-day average ($18.90).
52-week range $11.04–$23.33; today's close sits at 67% of that range, 17.2% below the 52-week high.

Oct 14, 2026 — NX slides 3.4% to $18.21, a 1-month low

Closed at $18.21, -3.40% vs the prior close of $18.85. Day range $18.02–$19.05, opened at $19.05.
Volume was 407.10K shares, 1.0x its 50-day average of 418.81K.
Price is -9.3% vs its 50-day average ($20.07) and -3.6% vs its 200-day average ($18.88).
52-week range $11.04–$23.33; today's close sits at 58% of that range, 21.9% below the 52-week high.

Oct 13, 2026 — NX rises 2.5% to $18.85

Closed at $18.85, +2.50% vs the prior close of $18.39. Day range $18.31–$18.88, opened at $18.55.
Volume was 376.80K shares, 0.9x its 50-day average of 420.53K.
Price is -6.3% vs its 50-day average ($20.12) and -0.1% vs its 200-day average ($18.87).
52-week range $11.04–$23.33; today's close sits at 64% of that range, 19.2% below the 52-week high.

Oct 12, 2026 — NX rises 0.5% to $18.39

Closed at $18.39, +0.55% vs the prior close of $18.29. Day range $17.88–$18.61, opened at $18.06.
Volume was 595.50K shares, 1.4x its 50-day average of 413.43K.
Price is -8.6% vs its 50-day average ($20.13) and -2.4% vs its 200-day average ($18.85).
52-week range $11.04–$23.33; today's close sits at 60% of that range, 21.2% below the 52-week high.

Oct 9, 2026 — NX dips 1.3% to $18.29, a 1-month low

Closed at $18.29, -1.35% vs the prior close of $18.54. Day range $18.14–$18.52, opened at $18.50.
Volume was 264.30K shares, 0.6x its 50-day average of 414.21K.
Price is -9.1% vs its 50-day average ($20.12) and -2.9% vs its 200-day average ($18.84).
52-week range $11.04–$23.33; today's close sits at 59% of that range, 21.6% below the 52-week high.

Oct 8, 2026 — NX rises 0.8% to $18.54

Closed at $18.54, +0.82% vs the prior close of $18.39. Day range $17.91–$18.63, opened at $18.14.
Volume was 577.00K shares, 1.4x its 50-day average of 411.55K.
Price is -7.8% vs its 50-day average ($20.11) and -1.5% vs its 200-day average ($18.82).
52-week range $11.04–$23.33; today's close sits at 61% of that range, 20.5% below the 52-week high.

Oct 7, 2026 — NX dips 2.4% to $18.39, a 1-month low, 4 down days in a row

Closed at $18.39, -2.44% vs the prior close of $18.85. Day range $17.96–$18.44, opened at $18.38.
Volume was 295.30K shares, 0.7x its 50-day average of 412.49K.
Price is -8.5% vs its 50-day average ($20.09) and -2.2% vs its 200-day average ($18.80).
52-week range $11.04–$23.33; today's close sits at 60% of that range, 21.2% below the 52-week high.
That makes 4 straight losses.

Oct 6, 2026 — NX dips 0.3% to $18.85, a 1-month low, 3 down days in a row

Closed at $18.85, -0.32% vs the prior close of $18.91. Day range $18.72–$19.24, opened at $19.08.
Volume was 444.30K shares, 1.1x its 50-day average of 409.09K.
Price is -6.3% vs its 50-day average ($20.12) and +0.3% vs its 200-day average ($18.79).
52-week range $11.04–$23.33; today's close sits at 64% of that range, 19.2% below the 52-week high.
That makes 3 straight losses.

Oct 5, 2026 — NX dips 0.5% to $18.91

Closed at $18.91, -0.47% vs the prior close of $19.00. Day range $18.12–$19.60, opened at $18.98.
Volume was 512.40K shares, 1.3x its 50-day average of 403.70K.
Price is -6.0% vs its 50-day average ($20.11) and +0.7% vs its 200-day average ($18.78).
52-week range $11.04–$23.33; today's close sits at 64% of that range, 18.9% below the 52-week high.

Oct 2, 2026 — NX dips 1.0% to $19.00

Closed at $19.00, -1.04% vs the prior close of $19.20. Day range $19.00–$19.99, opened at $19.77.
Volume was 459.90K shares, 1.1x its 50-day average of 400.03K.
Price is -5.5% vs its 50-day average ($20.11) and +1.2% vs its 200-day average ($18.77).
52-week range $11.04–$23.33; today's close sits at 65% of that range, 18.6% below the 52-week high.

NX latest news & SEC filings

Every SEC filing by or about NX in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 7, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001890906-26-000072

Sep 4, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jul 31, 2026:

Revenue: $501.85M (prior year $495.27M) (+1.3% vs Jul 31, 2025)
Net income: $26.50M (prior year -$276.01M) (swung to profit vs Jul 31, 2025)
Diluted EPS: $0.58 (prior year -$6.04) (swung to profit vs Jul 31, 2025)

Source: SEC EDGAR filing 0001423221-26-000048

Sep 3, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Item 2.02 — Reported results of operations (earnings release).

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001171843-26-005882

Aug 31, 2026 · 4 — Insider trade report (Form 4)