STMicroelectronics (STM) 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 $46.60, -0.64% vs the prior close of $46.90.
Volume 14.16M shares, 1.7x its 50-day average.
No new SEC filings since the prior session.
No new insider buys or sales reported since the prior session.

STM dips 0.6% to $46.60, a 3-month low, 7 down days in a row. Closed at $46.60, -0.64% vs the prior close of $46.90. Day range $44.28–$46.77, opened at $44.54.

Last close$46.60-0.64%

Day range44.28–46.77

Open44.54

Volume14.16M

52-week range21.11–81.42

Avg volume (20d)9.68M

STM 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 — STM dips 0.6% to $46.60, a 3-month low, 7 down days in a row

Closed at $46.60, -0.64% vs the prior close of $46.90. Day range $44.28–$46.77, opened at $44.54.
Volume was 14.16M shares, 1.7x its 50-day average of 8.26M.
Price is -10.2% vs its 50-day average ($51.87) and -5.1% vs its 200-day average ($49.09).
52-week range $21.11–$81.42; today's close sits at 42% of that range, 42.8% below the 52-week high.
That makes 7 straight losses.

Oct 14, 2026 — STM slides 5.4% to $46.90, a 3-month low, 6 down days in a row

Closed at $46.90, -5.39% vs the prior close of $49.57. Day range $46.40–$48.88, opened at $48.52.
Volume was 14.13M shares, 1.7x its 50-day average of 8.21M.
Price is -9.8% vs its 50-day average ($51.99) and -4.3% vs its 200-day average ($48.99).
52-week range $21.11–$81.42; today's close sits at 43% of that range, 42.4% below the 52-week high.
That makes 6 straight losses.

Oct 13, 2026 — STM dips 1.8% to $49.57, 5 down days in a row

Closed at $49.57, -1.80% vs the prior close of $50.48. Day range $48.58–$49.83, opened at $48.91.
Volume was 7.35M shares, 0.9x its 50-day average of 8.24M.
Price is -4.9% vs its 50-day average ($52.14) and +1.4% vs its 200-day average ($48.88).
52-week range $21.11–$81.42; today's close sits at 47% of that range, 39.1% below the 52-week high.
That makes 5 straight losses.
SEC filings that day: 6-K, 6-K.

Oct 12, 2026 — STM slides 3.0% to $50.48, 4 down days in a row

Closed at $50.48, -3.03% vs the prior close of $52.06. Day range $50.47–$51.63, opened at $51.63.
Volume was 5.12M shares, 0.6x its 50-day average of 8.35M.
Price is -3.3% vs its 50-day average ($52.19) and +3.5% vs its 200-day average ($48.77).
52-week range $21.11–$81.42; today's close sits at 49% of that range, 38.0% below the 52-week high.
That makes 4 straight losses.

Oct 9, 2026 — STM dips 1.2% to $52.06, 3 down days in a row

Closed at $52.06, -1.23% vs the prior close of $52.71. Day range $51.73–$53.54, opened at $53.14.
Volume was 6.66M shares, 0.8x its 50-day average of 8.45M.
Price is -0.3% vs its 50-day average ($52.23) and +7.0% vs its 200-day average ($48.64).
52-week range $21.11–$81.42; today's close sits at 51% of that range, 36.1% below the 52-week high.
That makes 3 straight losses.

Oct 8, 2026 — STM slides 6.2% to $52.71

Closed at $52.71, -6.18% vs the prior close of $56.18. Day range $52.14–$54.93, opened at $54.64.
Volume was 10.01M shares, 1.2x its 50-day average of 8.52M.
Price is +0.9% vs its 50-day average ($52.25) and +8.7% vs its 200-day average ($48.51).
52-week range $21.11–$81.42; today's close sits at 52% of that range, 35.3% below the 52-week high.

Oct 7, 2026 — STM slides 4.3% to $56.18

Closed at $56.18, -4.33% vs the prior close of $58.72. Day range $55.24–$56.65, opened at $55.24.
Volume was 9.59M shares, 1.1x its 50-day average of 8.65M.
Price is +7.7% vs its 50-day average ($52.16) and +16.1% vs its 200-day average ($48.38).
52-week range $21.11–$81.42; today's close sits at 58% of that range, 31.0% below the 52-week high.

Oct 6, 2026 — STM rises 1.8% to $58.72, a 1-month high, 8 up days in a row

Closed at $58.72, +1.80% vs the prior close of $57.68. Day range $57.67–$59.29, opened at $57.96.
Volume was 9.19M shares, 1.0x its 50-day average of 8.76M.
Price is +12.8% vs its 50-day average ($52.04) and +21.8% vs its 200-day average ($48.23).
52-week range $21.11–$81.42; today's close sits at 62% of that range, 27.9% below the 52-week high.
That makes 8 straight gains.

Oct 5, 2026 — STM rises 0.7% to $57.68, a 1-month high, 7 up days in a row

Closed at $57.68, +0.73% vs the prior close of $57.26. Day range $56.11–$57.71, opened at $56.60.
Volume was 8.88M shares, 1.0x its 50-day average of 8.92M.
Price is +11.1% vs its 50-day average ($51.94) and +20.0% vs its 200-day average ($48.06).
52-week range $21.11–$81.42; today's close sits at 61% of that range, 29.2% below the 52-week high.
That makes 7 straight gains.
SEC filings that day: 6-K.

Oct 2, 2026 — STM jumps 7.0% to $57.26, a 1-month high, 6 up days in a row

Closed at $57.26, +7.03% vs the prior close of $53.50. Day range $55.26–$57.43, opened at $55.35.
Volume was 16.34M shares, 1.8x its 50-day average of 9.24M.
Price is +10.5% vs its 50-day average ($51.81) and +19.5% vs its 200-day average ($47.90).
52-week range $21.11–$81.42; today's close sits at 60% of that range, 29.7% below the 52-week high.
That makes 6 straight gains.

STM latest news & SEC filings

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

Oct 13, 2026 · Form 6-K — Report from a foreign company (6-K)