Clean Harbors (CLH) went public on November 24, 1987, when it opened at a split-adjusted price of $4.56.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 2026 | $316.27 | $321.03 | $310.51 | $315.70 | 2,104,048 |
August 2026 | $313.16 | $328.68 | $303.46 | $315.25 | 9,095,000 |
July 2026 | $296.82 | $335.94 | $286.17 | $312.88 | 10,671,000 |
June 2026 | $281.10 | $305.46 | $274.40 | $298.75 | 10,506,500 |
May 2026 | $314.07 | $314.31 | $279.23 | $281.03 | 13,285,500 |
April 2026 | $287.55 | $316.98 | $286.21 | $312.68 | 9,433,700 |
March 2026 | $291.25 | $298.12 | $275.00 | $286.73 | 11,400,209 |
February 2026 | $259.91 | $294.94 | $256.44 | $293.20 | 11,302,766 |
January 2026 | $234.18 | $268.22 | $233.73 | $259.91 | 8,742,930 |
December 2025 | $226.56 | $243.52 | $226.56 | $234.48 | 9,557,690 |
November 2025 | $210.72 | $229.25 | $201.34 | $227.56 | 11,286,188 |
October 2025 | $230.73 | $248.07 | $207.89 | $210.51 | 15,826,200 |
September 2025 | $240.58 | $247.19 | $229.49 | $232.22 | 7,929,438 |
August 2025 | $234.32 | $251.43 | $231.44 | $242.21 | 7,224,900 |
July 2025 | $229.85 | $239.34 | $218.46 | $235.81 | 8,977,800 |
June 2025 | $225.56 | $233.37 | $220.96 | $231.18 | 6,600,979 |
May 2025 | $218.01 | $235.43 | $216.08 | $226.79 | 6,237,900 |
April 2025 | $196.66 | $214.57 | $178.29 | $213.94 | 11,650,200 |
March 2025 | $214.10 | $215.86 | $186.54 | $197.10 | 10,197,772 |
February 2025 | $228.47 | $238.24 | $209.28 | $213.55 | 10,854,752 |
January 2025 | $231.35 | $247.51 | $226.41 | $233.00 | 6,628,643 |
December 2024 | $260.51 | $260.66 | $226.01 | $230.14 | 6,195,283 |
November 2024 | $232.99 | $265.72 | $232.31 | $260.09 | 6,523,990 |
October 2024 | $241.38 | $267.11 | $220.10 | $231.26 | 6,480,085 |
September 2024 | $244.21 | $251.65 | $231.22 | $241.71 | 4,183,490 |