Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-05-31 | 84.030 | 84.750 | 83.910 | 84.200 | 76.676 | 852,700 |
| 2019-05-30 | 84.270 | 84.680 | 84.010 | 84.480 | 76.931 | 861,200 |
| 2019-05-29 | 83.820 | 84.090 | 83.260 | 84.040 | 76.530 | 526,200 |
| 2019-05-28 | 84.310 | 84.840 | 83.850 | 83.910 | 76.412 | 1,121,400 |
| 2019-05-24 | 84.510 | 84.580 | 83.920 | 84.280 | 76.749 | 527,000 |
| 2019-05-23 | 84.290 | 84.500 | 83.530 | 84.150 | 76.630 | 769,700 |
| 2019-05-22 | 83.910 | 84.810 | 83.520 | 84.790 | 77.213 | 845,500 |
| 2019-05-21 | 83.620 | 84.150 | 83.620 | 83.850 | 76.357 | 689,500 |
| 2019-05-20 | 83.230 | 83.600 | 82.890 | 83.290 | 75.847 | 1,146,800 |
| 2019-05-17 | 83.130 | 84.100 | 83.000 | 83.350 | 75.902 | 780,200 |
| 2019-05-16 | 83.010 | 84.110 | 82.980 | 83.790 | 76.303 | 847,200 |
| 2019-05-15 | 82.110 | 83.250 | 82.070 | 82.710 | 75.319 | 664,200 |
| 2019-05-14 | 81.860 | 83.070 | 81.860 | 82.480 | 75.110 | 877,700 |
| 2019-05-13 | 82.570 | 83.340 | 81.560 | 81.950 | 74.627 | 892,900 |
| 2019-05-10 | 81.940 | 83.550 | 81.580 | 83.470 | 76.011 | 620,500 |
| 2019-05-09 | 82.190 | 82.590 | 81.390 | 82.220 | 74.873 | 869,500 |
| 2019-05-08 | 81.970 | 83.010 | 81.880 | 82.690 | 75.301 | 924,200 |
| 2019-05-07 | 83.090 | 83.460 | 81.820 | 82.260 | 74.909 | 638,600 |
| 2019-05-06 | 82.220 | 84.120 | 82.220 | 83.560 | 76.093 | 670,500 |
| 2019-05-03 | 83.050 | 83.470 | 82.480 | 83.130 | 75.702 | 586,200 |
| 2019-05-02 | 82.380 | 82.960 | 81.890 | 82.890 | 75.483 | 755,400 |
| 2019-05-01 | 83.470 | 83.500 | 82.120 | 82.320 | 74.964 | 972,100 |
| 2019-04-30 | 82.800 | 83.670 | 82.400 | 83.620 | 76.148 | 1,139,200 |
| 2019-04-29 | 83.330 | 83.900 | 82.860 | 82.950 | 75.538 | 1,021,600 |
| 2019-04-26 | 83.000 | 84.140 | 81.900 | 83.150 | 75.720 | 1,369,700 |
| 2019-04-25 | 81.620 | 82.990 | 81.270 | 82.790 | 75.392 | 918,000 |
| 2019-04-24 | 81.540 | 82.660 | 81.420 | 82.060 | 74.727 | 872,300 |
| 2019-04-23 | 80.370 | 81.640 | 80.290 | 81.580 | 74.290 | 1,141,400 |
| 2019-04-22 | 80.080 | 80.200 | 79.680 | 80.180 | 73.015 | 751,800 |
| 2019-04-18 | 80.150 | 80.570 | 79.770 | 80.420 | 73.234 | 1,030,300 |
| 2019-04-17 | 81.050 | 81.050 | 79.250 | 80.260 | 73.088 | 1,133,900 |
| 2019-04-16 | 80.750 | 81.070 | 80.630 | 80.900 | 73.671 | 670,000 |
| 2019-04-15 | 80.500 | 80.730 | 80.120 | 80.610 | 73.407 | 681,100 |
| 2019-04-12 | 80.150 | 80.740 | 80.010 | 80.520 | 73.325 | 909,000 |
| 2019-04-11 | 78.630 | 79.800 | 78.630 | 79.670 | 72.551 | 1,329,900 |
| 2019-04-10 | 78.070 | 78.620 | 77.980 | 78.600 | 71.576 | 872,300 |
| 2019-04-09 | 77.770 | 78.040 | 77.580 | 77.980 | 71.012 | 1,812,500 |
| 2019-04-08 | 78.280 | 78.320 | 77.830 | 77.960 | 70.994 | 847,800 |
| 2019-04-05 | 78.630 | 78.800 | 78.090 | 78.300 | 71.303 | 1,124,300 |
| 2019-04-04 | 78.560 | 78.780 | 78.120 | 78.670 | 71.640 | 687,300 |
| 2019-04-03 | 78.970 | 78.970 | 78.170 | 78.370 | 71.367 | 794,800 |
| 2019-04-02 | 79.150 | 79.310 | 78.570 | 78.570 | 71.549 | 649,000 |
| 2019-04-01 | 78.750 | 79.110 | 78.360 | 79.030 | 71.968 | 1,019,400 |
| 2019-03-29 | 77.560 | 78.170 | 77.350 | 78.100 | 71.121 | 1,856,000 |
| 2019-03-28 | 78.220 | 78.540 | 76.650 | 77.130 | 70.238 | 1,976,200 |
| 2019-03-27 | 78.570 | 78.870 | 77.860 | 78.220 | 71.230 | 939,300 |
| 2019-03-26 | 79.050 | 79.320 | 78.460 | 78.690 | 71.658 | 876,100 |
| 2019-03-25 | 79.050 | 79.140 | 78.440 | 78.600 | 71.576 | 657,500 |
| 2019-03-22 | 78.410 | 79.180 | 78.320 | 78.880 | 71.831 | 992,300 |
| 2019-03-21 | 77.500 | 79.070 | 77.500 | 78.900 | 71.850 | 795,300 |
| 2019-03-20 | 78.940 | 79.470 | 77.790 | 77.820 | 70.866 | 1,131,700 |
| 2019-03-19 | 79.570 | 79.820 | 78.980 | 79.230 | 72.150 | 1,045,400 |
| 2019-03-18 | 80.100 | 80.430 | 79.360 | 79.530 | 72.423 | 1,617,700 |
| 2019-03-15 | 79.450 | 80.330 | 79.320 | 80.280 | 73.106 | 4,188,400 |
| 2019-03-14 | 79.040 | 79.600 | 78.850 | 79.590 | 72.478 | 852,800 |
| 2019-03-13 | 79.320 | 79.610 | 78.950 | 79.060 | 71.995 | 866,300 |
| 2019-03-12 | 79.330 | 79.540 | 78.940 | 79.070 | 72.004 | 1,096,500 |
| 2019-03-11 | 78.200 | 79.040 | 77.880 | 79.040 | 71.977 | 1,442,200 |
| 2019-03-08 | 77.790 | 77.970 | 77.220 | 77.910 | 70.948 | 812,800 |
| 2019-03-07 | 78.800 | 78.800 | 77.760 | 78.240 | 71.249 | 1,189,300 |
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.