Braskem Sa (BAK) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

Updated Oct 16, 2026, 4:00 PM ET

What changed since yesterday

BAK slides 8.3% to $1.66, 3 down days in a row. Closed at $1.66, -8.29% vs the prior close of $1.81. Day range $1.64–$1.78, opened at $1.73.

Last close$1.66-8.29%

Day range1.64–1.78

Open1.73

Volume2.12M

52-week range1.40–5.39

Avg volume (20d)2.00M

BAK 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 — BAK slides 8.3% to $1.66, 3 down days in a row

Closed at $1.66, -8.29% vs the prior close of $1.81. Day range $1.64–$1.78, opened at $1.73.
Volume was 2.12M shares, 0.9x its 50-day average of 2.31M.
Price is -8.5% vs its 50-day average ($1.81) and -46.6% vs its 200-day average ($3.11).
52-week range $1.40–$5.39; today's close sits at 7% of that range, 69.2% below the 52-week high.
That makes 3 straight losses.

Oct 15, 2026 — BAK dips 1.6% to $1.81

Closed at $1.81, -1.63% vs the prior close of $1.84. Day range $1.74–$1.83, opened at $1.79.
Volume was 3.32M shares, 1.5x its 50-day average of 2.27M.
Price is -1.0% vs its 50-day average ($1.83) and -41.9% vs its 200-day average ($3.12).
52-week range $1.40–$5.39; today's close sits at 10% of that range, 66.5% below the 52-week high.

Oct 14, 2026 — BAK dips 1.6% to $1.84

Closed at $1.84, -1.60% vs the prior close of $1.87. Day range $1.76–$1.86, opened at $1.78.
Volume was 1.29M shares, 0.6x its 50-day average of 2.26M — lighter than usual.
Price is +0.2% vs its 50-day average ($1.84) and -41.0% vs its 200-day average ($3.12).
52-week range $1.40–$5.39; today's close sits at 11% of that range, 65.9% below the 52-week high.

Oct 13, 2026 — BAK jumps 5.1% to $1.87

Closed at $1.87, +5.06% vs the prior close of $1.78. Day range $1.65–$1.87, opened at $1.70.
Volume was 3.61M shares, 1.6x its 50-day average of 2.21M.
Price is +1.3% vs its 50-day average ($1.85) and -40.2% vs its 200-day average ($3.13).
52-week range $1.40–$5.39; today's close sits at 12% of that range, 65.3% below the 52-week high.
SEC filings that day: 6-K, 6-K.

Oct 12, 2026 — BAK dips 2.2% to $1.78

Closed at $1.78, -2.20% vs the prior close of $1.82. Day range $1.76–$1.84, opened at $1.83.
Volume was 640.40K shares, 0.3x its 50-day average of 2.24M — lighter than usual.
Price is -4.0% vs its 50-day average ($1.85) and -43.2% vs its 200-day average ($3.13).
52-week range $1.40–$5.39; today's close sits at 10% of that range, 67.0% below the 52-week high.

Oct 9, 2026 — BAK ends flat (+0.0%) to $1.82

Closed at $1.82, +0.00% vs the prior close of $1.82. Day range $1.71–$1.88, opened at $1.79.
Volume was 2.94M shares, 1.3x its 50-day average of 2.22M.
Price is -2.5% vs its 50-day average ($1.87) and -42.0% vs its 200-day average ($3.14).
52-week range $1.40–$5.39; today's close sits at 11% of that range, 66.3% below the 52-week high.

Oct 8, 2026 — BAK rises 2.8% to $1.82 on 2.8x normal volume

Closed at $1.82, +2.82% vs the prior close of $1.77. Day range $1.67–$1.88, opened at $1.68.
Volume was 6.09M shares, 2.8x its 50-day average of 2.17M — unusually heavy trading.
Price is -3.1% vs its 50-day average ($1.88) and -42.1% vs its 200-day average ($3.14).
52-week range $1.40–$5.39; today's close sits at 11% of that range, 66.3% below the 52-week high.
That makes 4 straight gains.

Oct 7, 2026 — BAK jumps 6.0% to $1.77, 3 up days in a row

Closed at $1.77, +5.99% vs the prior close of $1.67. Day range $1.64–$1.83, opened at $1.66.
Volume was 3.01M shares, 1.4x its 50-day average of 2.13M.
Price is -6.2% vs its 50-day average ($1.89) and -43.8% vs its 200-day average ($3.15).
52-week range $1.40–$5.39; today's close sits at 9% of that range, 67.2% below the 52-week high.
That makes 3 straight gains.

Oct 6, 2026 — BAK jumps 3.7% to $1.67

Closed at $1.67, +3.73% vs the prior close of $1.61. Day range $1.64–$1.71, opened at $1.65.
Volume was 870.90K shares, 0.4x its 50-day average of 2.15M — lighter than usual.
Price is -12.0% vs its 50-day average ($1.90) and -47.0% vs its 200-day average ($3.15).
52-week range $1.40–$5.39; today's close sits at 7% of that range, 69.0% below the 52-week high.

Oct 5, 2026 — BAK jumps 3.9% to $1.61

Closed at $1.61, +3.87% vs the prior close of $1.55. Day range $1.61–$1.76, opened at $1.75.
Volume was 1.48M shares, 0.7x its 50-day average of 2.15M.
Price is -15.9% vs its 50-day average ($1.91) and -49.0% vs its 200-day average ($3.16).
52-week range $1.40–$5.39; today's close sits at 5% of that range, 70.2% below the 52-week high.

Oct 2, 2026 — BAK ends flat (+0.0%) to $1.55

Closed at $1.55, +0.00% vs the prior close of $1.55. Day range $1.49–$1.58, opened at $1.57.
Volume was 1.05M shares, 0.5x its 50-day average of 2.16M — lighter than usual.
Price is -19.7% vs its 50-day average ($1.93) and -51.0% vs its 200-day average ($3.16).
52-week range $1.40–$5.39; today's close sits at 4% of that range, 71.3% below the 52-week high.

Every SEC filing by or about BAK 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)