Arthur J. Gallagher & Co.AJGNYSE
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| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 3/3/2026 | $228.05 | $230.75 | $221.48 | $225.23 | 2.29M |
| 3/2/2026 | $227.58 | $231.02 | $225.69 | $229.27 | 1.94M |
| 2/27/2026 | $228.41 | $228.81 | $223.51 | $228.20 | 2.96M |
| 2/26/2026 | $219.61 | $225.89 | $218.69 | $225.22 | 2.31M |
| 2/25/2026 | $216.70 | $218.31 | $213.58 | $218.13 | 2.26M |
| 2/24/2026 | $213.45 | $216.23 | $209.44 | $215.98 | 2.98M |
| 2/23/2026 | $214.55 | $218.34 | $213.01 | $214.33 | 2.38M |
| 2/20/2026 | $220.17 | $221.00 | $214.51 | $216.51 | 2.06M |
| 2/19/2026 | $213.80 | $218.67 | $213.05 | $218.37 | 2.71M |
| 2/18/2026 | $213.66 | $215.23 | $210.32 | $214.49 | 2.39M |
| 2/17/2026 | $212.26 | $216.04 | $206.93 | $214.00 | 4.65M |
| 2/13/2026 | $206.14 | $212.05 | $202.08 | $208.45 | 4.97M |
| 2/12/2026 | $205.18 | $207.87 | $195.00 | $204.79 | 6.24M |
| 2/11/2026 | $211.73 | $212.99 | $204.03 | $205.31 | 4.42M |
| 2/10/2026 | $220.50 | $224.61 | $210.01 | $212.58 | 5.00M |
| 2/9/2026 | $240.12 | $242.00 | $217.37 | $217.79 | 3.46M |
| 2/6/2026 | $244.26 | $245.21 | $239.33 | $241.58 | 1.39M |
| 2/5/2026 | $252.18 | $253.22 | $242.46 | $242.75 | 1.65M |
| 2/4/2026 | $247.47 | $254.48 | $245.73 | $249.55 | 3.29M |
| 2/3/2026 | $245.00 | $250.19 | $241.86 | $247.73 | 2.19M |
| 2/2/2026 | $250.42 | $255.18 | $244.34 | $245.27 | 1.89M |
| 1/30/2026 | $248.73 | $256.60 | $247.79 | $249.37 | 2.54M |
| 1/29/2026 | $244.42 | $248.46 | $241.71 | $245.84 | 2.25M |
| 1/28/2026 | $242.50 | $246.20 | $240.80 | $242.37 | 1.73M |
| 1/27/2026 | $250.06 | $250.38 | $236.53 | $242.33 | 3.49M |
| 1/26/2026 | $253.70 | $255.95 | $252.07 | $255.41 | 1.59M |
| 1/23/2026 | $248.58 | $253.72 | $248.58 | $253.21 | 1.50M |
| 1/22/2026 | $249.19 | $252.11 | $247.10 | $250.38 | 2.70M |
| 1/21/2026 | $255.73 | $257.67 | $244.98 | $250.08 | 2.71M |
| 1/20/2026 | $255.60 | $257.61 | $254.21 | $254.88 | 2.12M |
| 1/16/2026 | $255.23 | $258.59 | $253.39 | $258.52 | 2.13M |
| 1/15/2026 | $256.19 | $258.27 | $255.07 | $256.15 | 2.45M |
| 1/14/2026 | $256.79 | $260.29 | $255.83 | $256.98 | 2.61M |
| 1/13/2026 | $263.90 | $264.69 | $255.30 | $257.00 | 2.95M |
| 1/12/2026 | $265.13 | $266.87 | $262.40 | $264.84 | 1.82M |
| 1/9/2026 | $264.40 | $266.67 | $263.62 | $264.59 | 1.01M |
| 1/8/2026 | $259.43 | $266.61 | $258.00 | $264.54 | 1.41M |
| 1/7/2026 | $259.25 | $260.94 | $254.11 | $259.00 | 1.93M |
| 1/6/2026 | $262.17 | $264.64 | $259.42 | $262.77 | 1.35M |
| 1/5/2026 | $254.78 | $265.75 | $253.19 | $263.24 | 1.54M |
| 1/2/2026 | $257.11 | $258.57 | $254.34 | $256.00 | 1.25M |
| 12/31/2025 | $261.03 | $261.54 | $258.73 | $258.79 | 1.02M |
| 12/30/2025 | $263.04 | $263.79 | $261.75 | $261.92 | 1.02M |
| 12/29/2025 | $261.54 | $263.69 | $261.50 | $263.14 | 1.37M |
| 12/26/2025 | $260.76 | $261.91 | $259.32 | $261.48 | 844,600 |
| 12/24/2025 | $257.96 | $261.80 | $257.96 | $260.77 | 545,124 |
| 12/23/2025 | $258.00 | $259.00 | $256.48 | $258.70 | 1.15M |
| 12/22/2025 | $251.96 | $259.00 | $251.37 | $258.25 | 1.59M |
| 12/19/2025 | $252.88 | $256.71 | $252.14 | $253.39 | 3.97M |
| 12/18/2025 | $249.75 | $253.77 | $249.13 | $252.64 | 1.26M |
| 12/17/2025 | $252.00 | $254.78 | $250.26 | $250.90 | 1.67M |
| 12/16/2025 | $256.19 | $256.74 | $249.27 | $251.98 | 2.06M |
| 12/15/2025 | $254.21 | $257.37 | $253.07 | $256.19 | 2.33M |
| 12/12/2025 | $249.05 | $256.18 | $248.90 | $255.38 | 2.24M |
| 12/11/2025 | $242.16 | $247.76 | $240.83 | $247.62 | 2.43M |
| 12/10/2025 | $239.48 | $240.45 | $236.34 | $240.45 | 1.75M |
| 12/9/2025 | $238.68 | $240.75 | $237.88 | $239.91 | 1.07M |
| 12/8/2025 | $238.77 | $239.79 | $236.70 | $237.85 | 1.36M |
| 12/5/2025 | $244.69 | $245.00 | $238.65 | $239.71 | 1.77M |
| 12/4/2025 | $245.77 | $246.89 | $243.87 | $245.41 | 1.28M |