Sigma Lithium (SGML) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

Updated Oct 16, 2026, 4:00 PM ET

What changed since yesterday

SGML dips 3.0% to $8.53. Closed at $8.53, -2.96% vs the prior close of $8.79. Day range $8.46–$8.99, opened at $8.70.

Last close$8.53-2.96%

Day range8.46–8.99

Open8.70

Volume1.46M

52-week range4.61–24.48

Avg volume (20d)2.26M

SGML daily analysis — what happened

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

Oct 16, 2026 — SGML dips 3.0% to $8.53

Closed at $8.53, -2.96% vs the prior close of $8.79. Day range $8.46–$8.99, opened at $8.70.
Volume was 1.46M shares, 0.7x its 50-day average of 2.11M.
Price is -18.8% vs its 50-day average ($10.50) and -35.4% vs its 200-day average ($13.21).
52-week range $4.61–$24.48; today's close sits at 20% of that range, 65.2% below the 52-week high.

Oct 15, 2026 — SGML jumps 3.5% to $8.79

Closed at $8.79, +3.53% vs the prior close of $8.49. Day range $8.29–$8.98, opened at $8.45.
Volume was 1.76M shares, 0.8x its 50-day average of 2.11M.
Price is -16.7% vs its 50-day average ($10.55) and -33.6% vs its 200-day average ($13.24).
52-week range $4.61–$24.48; today's close sits at 21% of that range, 64.1% below the 52-week high.

Oct 14, 2026 — SGML dips 2.4% to $8.49, 5 down days in a row

Closed at $8.49, -2.41% vs the prior close of $8.70. Day range $8.45–$9.09, opened at $8.56.
Volume was 2.18M shares, 1.0x its 50-day average of 2.10M.
Price is -19.8% vs its 50-day average ($10.58) and -36.0% vs its 200-day average ($13.26).
52-week range $4.61–$24.48; today's close sits at 20% of that range, 65.3% below the 52-week high.
That makes 5 straight losses.

Oct 13, 2026 — SGML dips 1.2% to $8.70, 4 down days in a row

Closed at $8.70, -1.25% vs the prior close of $8.81. Day range $8.50–$8.86, opened at $8.67.
Volume was 1.42M shares, 0.7x its 50-day average of 2.10M.
Price is -18.2% vs its 50-day average ($10.63) and -34.5% vs its 200-day average ($13.29).
52-week range $4.61–$24.48; today's close sits at 21% of that range, 64.5% below the 52-week high.
That makes 4 straight losses.

Oct 12, 2026 — SGML slides 5.8% to $8.81, 3 down days in a row

Closed at $8.81, -5.78% vs the prior close of $9.35. Day range $8.77–$9.10, opened at $9.10.
Volume was 1.72M shares, 0.8x its 50-day average of 2.09M.
Price is -17.4% vs its 50-day average ($10.67) and -33.8% vs its 200-day average ($13.31).
52-week range $4.61–$24.48; today's close sits at 21% of that range, 64.0% below the 52-week high.
That makes 3 straight losses.

Oct 9, 2026 — SGML dips 2.2% to $9.35

Closed at $9.35, -2.20% vs the prior close of $9.56. Day range $9.31–$9.75, opened at $9.65.
Volume was 1.53M shares, 0.7x its 50-day average of 2.09M.
Price is -12.5% vs its 50-day average ($10.69) and -29.9% vs its 200-day average ($13.34).
52-week range $4.61–$24.48; today's close sits at 24% of that range, 61.8% below the 52-week high.

Oct 8, 2026 — SGML slides 3.0% to $9.56

Closed at $9.56, -3.04% vs the prior close of $9.86. Day range $9.36–$9.73, opened at $9.67.
Volume was 1.54M shares, 0.7x its 50-day average of 2.10M.
Price is -10.7% vs its 50-day average ($10.70) and -28.4% vs its 200-day average ($13.36).
52-week range $4.61–$24.48; today's close sits at 25% of that range, 60.9% below the 52-week high.

Oct 7, 2026 — SGML rises 1.5% to $9.86, 4 up days in a row

Closed at $9.86, +1.54% vs the prior close of $9.71. Day range $9.68–$10.35, opened at $10.32.
Volume was 2.92M shares, 1.4x its 50-day average of 2.08M.
Price is -7.8% vs its 50-day average ($10.70) and -26.3% vs its 200-day average ($13.37).
52-week range $4.61–$24.48; today's close sits at 26% of that range, 59.7% below the 52-week high.
That makes 4 straight gains.

Oct 6, 2026 — SGML rises 1.6% to $9.71, 3 up days in a row

Closed at $9.71, +1.57% vs the prior close of $9.56. Day range $9.45–$9.76, opened at $9.52.
Volume was 2.07M shares, 1.0x its 50-day average of 2.07M.
Price is -9.2% vs its 50-day average ($10.69) and -27.4% vs its 200-day average ($13.38).
52-week range $4.61–$24.48; today's close sits at 26% of that range, 60.3% below the 52-week high.
That makes 3 straight gains.
SEC filings that day: 6-K.

Oct 5, 2026 — SGML jumps 5.2% to $9.56

Closed at $9.56, +5.17% vs the prior close of $9.09. Day range $8.90–$9.59, opened at $9.41.
Volume was 2.89M shares, 1.4x its 50-day average of 2.04M.
Price is -10.6% vs its 50-day average ($10.70) and -28.6% vs its 200-day average ($13.38).
52-week range $4.61–$24.48; today's close sits at 25% of that range, 60.9% below the 52-week high.

Oct 2, 2026 — SGML jumps 9.1% to $9.09 on 2.0x normal volume

Closed at $9.09, +9.06% vs the prior close of $8.34. Day range $8.42–$9.11, opened at $8.51.
Volume was 3.96M shares, 2.0x its 50-day average of 1.99M — unusually heavy trading.
Price is -15.0% vs its 50-day average ($10.70) and -32.1% vs its 200-day average ($13.39).
52-week range $4.61–$24.48; today's close sits at 23% of that range, 62.9% below the 52-week high.

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

Oct 7, 2026 · Form SCHEDULE 13G — Passive stake (13G)

Passive stake (13G) — an investor reported owning more than 5%

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.

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