Allison Transmission (ALSN) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

ALSN rises 1.7% to $112.55. Closed at $112.55, +1.67% vs the prior close of $110.70. Day range $109.44–$112.74, opened at $110.75.

Last close$112.55+1.67%

Day range109.44–112.74

Open110.75

Volume509.90K

52-week range76.01–137.62

Avg volume (20d)842.25K

ALSN 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 — ALSN rises 1.7% to $112.55

Closed at $112.55, +1.67% vs the prior close of $110.70. Day range $109.44–$112.74, opened at $110.75.
Volume was 509.90K shares, 0.7x its 50-day average of 763.68K.
Price is -7.0% vs its 50-day average ($120.99) and -4.7% vs its 200-day average ($118.08).
52-week range $76.01–$137.62; today's close sits at 59% of that range, 18.2% below the 52-week high.

Oct 14, 2026 — ALSN dips 0.8% to $110.70

Closed at $110.70, -0.82% vs the prior close of $111.62. Day range $109.20–$111.89, opened at $110.55.
Volume was 506.20K shares, 0.6x its 50-day average of 794.22K.
Price is -8.6% vs its 50-day average ($121.10) and -6.2% vs its 200-day average ($118.01).
52-week range $76.01–$137.62; today's close sits at 56% of that range, 19.6% below the 52-week high.

Oct 13, 2026 — ALSN ends flat (+0.1%) to $111.62, 3 up days in a row

Closed at $111.62, +0.13% vs the prior close of $111.47. Day range $110.05–$113.54, opened at $112.90.
Volume was 426.30K shares, 0.5x its 50-day average of 811.48K — lighter than usual.
Price is -8.0% vs its 50-day average ($121.34) and -5.4% vs its 200-day average ($117.97).
52-week range $76.01–$137.62; today's close sits at 58% of that range, 18.9% below the 52-week high.
That makes 3 straight gains.

Oct 12, 2026 — ALSN rises 1.5% to $111.47

Closed at $111.47, +1.47% vs the prior close of $109.86. Day range $110.58–$114.36, opened at $110.58.
Volume was 720.60K shares, 0.9x its 50-day average of 810.93K.
Price is -8.2% vs its 50-day average ($121.44) and -5.5% vs its 200-day average ($117.91).
52-week range $76.01–$137.62; today's close sits at 58% of that range, 19.0% below the 52-week high.

Oct 9, 2026 — ALSN rises 0.7% to $109.86

Closed at $109.86, +0.69% vs the prior close of $109.11. Day range $108.32–$111.10, opened at $109.61.
Volume was 774.40K shares, 1.0x its 50-day average of 811.57K.
Price is -9.6% vs its 50-day average ($121.50) and -6.8% vs its 200-day average ($117.86).
52-week range $76.01–$137.62; today's close sits at 55% of that range, 20.2% below the 52-week high.

Oct 8, 2026 — ALSN dips 1.5% to $109.11, a 3-month low, 4 down days in a row

Closed at $109.11, -1.49% vs the prior close of $110.76. Day range $105.10–$109.71, opened at $108.77.
Volume was 990.70K shares, 1.2x its 50-day average of 816.73K.
Price is -10.3% vs its 50-day average ($121.61) and -7.4% vs its 200-day average ($117.81).
52-week range $76.01–$137.62; today's close sits at 54% of that range, 20.7% below the 52-week high.
That makes 4 straight losses.

Oct 7, 2026 — ALSN slides 3.5% to $110.76, a 3-month low, 3 down days in a row

Closed at $110.76, -3.48% vs the prior close of $114.75. Day range $109.37–$113.93, opened at $113.19.
Volume was 748.40K shares, 0.9x its 50-day average of 819.95K.
Price is -9.0% vs its 50-day average ($121.72) and -5.9% vs its 200-day average ($117.76).
52-week range $76.01–$137.62; today's close sits at 56% of that range, 19.5% below the 52-week high.
That makes 3 straight losses.

Oct 6, 2026 — ALSN dips 0.9% to $114.75

Closed at $114.75, -0.86% vs the prior close of $115.75. Day range $114.49–$117.56, opened at $116.61.
Volume was 683.30K shares, 0.8x its 50-day average of 828.13K.
Price is -5.9% vs its 50-day average ($121.93) and -2.5% vs its 200-day average ($117.70).
52-week range $76.01–$137.62; today's close sits at 63% of that range, 16.6% below the 52-week high.

Oct 5, 2026 — ALSN dips 1.9% to $115.75

Closed at $115.75, -1.88% vs the prior close of $117.97. Day range $114.38–$118.73, opened at $117.59.
Volume was 807.80K shares, 1.0x its 50-day average of 827.26K.
Price is -5.2% vs its 50-day average ($122.07) and -1.6% vs its 200-day average ($117.62).
52-week range $76.01–$137.62; today's close sits at 65% of that range, 15.9% below the 52-week high.

Oct 2, 2026 — ALSN rises 1.5% to $117.97, 3 up days in a row

Closed at $117.97, +1.45% vs the prior close of $116.28. Day range $116.89–$119.08, opened at $117.88.
Volume was 749.70K shares, 0.9x its 50-day average of 830.60K.
Price is -3.5% vs its 50-day average ($122.20) and +0.4% vs its 200-day average ($117.53).
52-week range $76.01–$137.62; today's close sits at 68% of that range, 14.3% below the 52-week high.
That makes 3 straight gains.

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

Sep 2, 2026 · 4 — Insider trade report (Form 4)