Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2020-05-13 | 86.150 | 86.810 | 83.770 | 85.830 | 79.628 | 1,577,900 |
| 2020-05-12 | 87.020 | 87.810 | 86.410 | 87.030 | 80.741 | 1,322,400 |
| 2020-05-11 | 85.720 | 87.980 | 84.900 | 86.860 | 80.583 | 804,700 |
| 2020-05-08 | 86.360 | 86.490 | 85.080 | 86.400 | 80.157 | 1,097,900 |
| 2020-05-07 | 81.480 | 85.940 | 81.480 | 85.380 | 79.210 | 1,508,900 |
| 2020-05-06 | 84.160 | 84.360 | 80.240 | 80.450 | 74.637 | 1,444,300 |
| 2020-05-05 | 80.520 | 83.640 | 80.100 | 83.130 | 77.123 | 1,845,100 |
| 2020-05-04 | 77.030 | 80.570 | 76.440 | 80.140 | 74.349 | 1,312,100 |
| 2020-05-01 | 78.500 | 80.450 | 76.260 | 77.510 | 71.909 | 1,848,600 |
| 2020-04-30 | 78.380 | 79.560 | 77.940 | 78.500 | 72.827 | 2,421,300 |
| 2020-04-29 | 78.890 | 80.600 | 77.480 | 79.670 | 73.913 | 2,055,300 |
| 2020-04-28 | 78.470 | 79.600 | 76.750 | 77.220 | 71.640 | 1,386,300 |
| 2020-04-27 | 75.870 | 77.760 | 75.740 | 77.380 | 71.788 | 1,048,800 |
| 2020-04-24 | 75.320 | 75.850 | 73.660 | 75.280 | 69.840 | 1,169,500 |
| 2020-04-23 | 77.750 | 78.020 | 74.510 | 74.820 | 69.413 | 1,045,300 |
| 2020-04-22 | 78.920 | 79.350 | 76.780 | 77.590 | 71.983 | 1,187,500 |
| 2020-04-21 | 78.720 | 79.930 | 77.030 | 77.540 | 71.937 | 1,211,800 |
| 2020-04-20 | 83.230 | 83.420 | 80.170 | 80.780 | 74.943 | 1,240,300 |
| 2020-04-17 | 83.290 | 84.060 | 81.650 | 83.600 | 77.559 | 1,602,500 |
| 2020-04-16 | 83.850 | 84.240 | 80.560 | 80.790 | 74.952 | 1,100,000 |
| 2020-04-15 | 84.500 | 86.480 | 82.880 | 83.650 | 77.605 | 1,593,700 |
| 2020-04-14 | 85.660 | 88.300 | 85.000 | 86.540 | 80.286 | 1,552,400 |
| 2020-04-13 | 85.480 | 86.220 | 82.750 | 83.570 | 77.531 | 983,200 |
| 2020-04-09 | 85.900 | 88.350 | 85.370 | 86.840 | 80.565 | 1,374,600 |
| 2020-04-08 | 83.030 | 85.620 | 81.760 | 85.040 | 78.895 | 1,187,700 |
| 2020-04-07 | 84.810 | 86.980 | 81.830 | 82.280 | 76.334 | 1,753,900 |
| 2020-04-06 | 79.690 | 83.000 | 77.460 | 82.210 | 76.269 | 1,483,200 |
| 2020-04-03 | 77.600 | 78.820 | 74.520 | 76.260 | 70.749 | 2,491,400 |
| 2020-04-02 | 76.180 | 79.060 | 75.570 | 78.760 | 73.069 | 1,651,600 |
| 2020-04-01 | 78.120 | 79.650 | 75.630 | 77.000 | 71.436 | 1,603,900 |
| 2020-03-31 | 82.230 | 83.480 | 80.970 | 81.510 | 75.620 | 1,693,100 |
| 2020-03-30 | 81.350 | 83.470 | 78.590 | 83.220 | 77.206 | 989,200 |
| 2020-03-27 | 77.880 | 83.100 | 77.680 | 80.170 | 74.377 | 1,122,100 |
| 2020-03-26 | 78.280 | 81.070 | 76.270 | 80.780 | 74.943 | 1,634,300 |
| 2020-03-25 | 76.150 | 81.470 | 75.290 | 77.210 | 71.631 | 2,309,300 |
| 2020-03-24 | 71.230 | 78.070 | 70.370 | 77.270 | 71.686 | 1,364,300 |
| 2020-03-23 | 71.570 | 71.990 | 66.040 | 68.240 | 63.309 | 1,672,400 |
| 2020-03-20 | 68.730 | 73.910 | 66.900 | 71.580 | 66.407 | 2,402,000 |
| 2020-03-19 | 71.670 | 72.130 | 67.400 | 68.550 | 63.596 | 2,039,700 |
| 2020-03-18 | 80.100 | 81.430 | 65.090 | 72.440 | 67.205 | 1,722,400 |
| 2020-03-17 | 82.710 | 87.580 | 79.750 | 85.460 | 79.284 | 1,999,100 |
| 2020-03-16 | 75.120 | 85.730 | 75.000 | 79.850 | 74.080 | 1,607,000 |
| 2020-03-13 | 90.430 | 91.020 | 83.140 | 90.060 | 83.552 | 1,826,200 |
| 2020-03-12 | 88.880 | 92.550 | 79.780 | 86.170 | 79.943 | 1,636,600 |
| 2020-03-11 | 95.000 | 96.610 | 93.320 | 94.980 | 88.117 | 1,474,800 |
| 2020-03-10 | 96.810 | 98.350 | 93.030 | 97.560 | 90.510 | 1,762,800 |
| 2020-03-09 | 94.040 | 95.610 | 90.630 | 94.140 | 87.337 | 1,554,600 |
| 2020-03-06 | 98.610 | 101.26 | 97.100 | 100.84 | 93.553 | 860,700 |
| 2020-03-05 | 103.63 | 104.16 | 100.78 | 102.11 | 94.731 | 1,070,200 |
| 2020-03-04 | 102.67 | 106.30 | 102.17 | 106.21 | 98.118 | 1,324,200 |
| 2020-03-03 | 103.22 | 104.36 | 99.560 | 100.69 | 93.018 | 1,063,300 |
| 2020-03-02 | 97.820 | 103.59 | 97.820 | 103.51 | 95.623 | 1,815,500 |
| 2020-02-28 | 96.920 | 98.000 | 93.910 | 97.490 | 90.062 | 2,218,700 |
| 2020-02-27 | 102.70 | 103.35 | 99.030 | 99.080 | 91.531 | 1,357,500 |
| 2020-02-26 | 104.39 | 105.53 | 103.40 | 103.84 | 95.928 | 2,081,000 |
| 2020-02-25 | 106.59 | 106.60 | 103.63 | 103.87 | 95.956 | 1,006,000 |
| 2020-02-24 | 106.81 | 107.76 | 105.82 | 106.21 | 98.118 | 799,200 |
| 2020-02-21 | 107.89 | 108.20 | 106.74 | 107.83 | 99.614 | 800,500 |
| 2020-02-20 | 108.51 | 108.51 | 106.64 | 108.17 | 99.928 | 689,400 |
| 2020-02-19 | 108.74 | 109.14 | 108.16 | 108.78 | 100.49 | 565,500 |
Stock splits
| Date | Split (new : old) |
|---|
| 2001-01-19 | 2:1 |
| 2000-03-16 | 2:1 |
Dividends
| Ex-date | Amount |
|---|
| 2026-09-08 | 0.7000 USD |
| 2026-06-05 | 0.7000 USD |
| 2026-03-06 | 0.7000 USD |
| 2025-12-05 | 0.6500 USD |
| 2025-09-05 | 0.6500 USD |
| 2025-06-06 | 0.6500 USD |
| 2025-03-07 | 0.6500 USD |
| 2024-12-06 | 0.6000 USD |
| 2024-09-06 | 0.6000 USD |
| 2024-06-07 | 0.6000 USD |
| 2024-02-29 | 0.6000 USD |
| 2023-11-30 | 0.5500 USD |
| 2023-08-31 | 0.5500 USD |
| 2023-06-01 | 0.5500 USD |
| 2023-03-02 | 0.5500 USD |
| 2022-12-01 | 0.5100 USD |
| 2022-09-01 | 0.5100 USD |
| 2022-06-02 | 0.5100 USD |
| 2022-03-03 | 0.5100 USD |
| 2021-12-02 | 0.4800 USD |
| 2021-09-02 | 0.4800 USD |
| 2021-06-03 | 0.4800 USD |
| 2021-03-04 | 0.4800 USD |
| 2020-12-03 | 0.4500 USD |
| 2020-09-03 | 0.4500 USD |
| 2020-06-04 | 0.4500 USD |
| 2020-03-05 | 0.4500 USD |
| 2019-12-05 | 0.4300 USD |
| 2019-09-05 | 0.4300 USD |
| 2019-06-06 | 0.4300 USD |
| 2019-02-28 | 0.4300 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.