Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-11-19 | 92.100 | 92.530 | 91.840 | 92.430 | 84.991 | 743,100 |
| 2019-11-18 | 91.550 | 92.200 | 91.400 | 91.780 | 84.393 | 571,200 |
| 2019-11-15 | 92.500 | 92.500 | 91.650 | 91.940 | 84.540 | 803,200 |
| 2019-11-14 | 91.970 | 92.380 | 91.670 | 92.300 | 84.871 | 706,300 |
| 2019-11-13 | 91.160 | 92.270 | 91.040 | 92.120 | 84.706 | 577,200 |
| 2019-11-12 | 91.640 | 91.830 | 91.150 | 91.490 | 84.127 | 735,400 |
| 2019-11-11 | 90.640 | 91.700 | 90.470 | 91.490 | 84.127 | 453,000 |
| 2019-11-08 | 90.840 | 91.440 | 90.570 | 91.150 | 83.814 | 569,200 |
| 2019-11-07 | 91.850 | 91.890 | 90.980 | 91.050 | 83.722 | 777,900 |
| 2019-11-06 | 89.980 | 91.730 | 89.790 | 91.640 | 84.264 | 730,600 |
| 2019-11-05 | 90.510 | 90.830 | 89.420 | 89.980 | 82.738 | 812,300 |
| 2019-11-04 | 92.010 | 92.090 | 90.200 | 90.620 | 83.327 | 881,600 |
| 2019-11-01 | 91.760 | 91.760 | 90.950 | 91.520 | 84.154 | 813,200 |
| 2019-10-31 | 91.150 | 91.810 | 90.520 | 91.220 | 83.878 | 796,300 |
| 2019-10-30 | 89.870 | 91.310 | 89.120 | 91.270 | 83.924 | 772,300 |
| 2019-10-29 | 89.700 | 90.060 | 89.120 | 89.940 | 82.701 | 968,900 |
| 2019-10-28 | 89.630 | 90.000 | 88.920 | 89.700 | 82.481 | 1,078,700 |
| 2019-10-25 | 91.340 | 92.000 | 88.790 | 89.450 | 82.251 | 1,211,500 |
| 2019-10-24 | 90.410 | 91.410 | 90.150 | 91.210 | 83.869 | 1,255,800 |
| 2019-10-23 | 89.460 | 90.290 | 89.460 | 90.150 | 82.894 | 801,600 |
| 2019-10-22 | 90.310 | 90.800 | 89.580 | 89.680 | 82.462 | 563,200 |
| 2019-10-21 | 89.770 | 90.360 | 89.750 | 90.330 | 83.060 | 818,500 |
| 2019-10-18 | 88.740 | 89.740 | 88.370 | 89.550 | 82.343 | 1,592,900 |
| 2019-10-17 | 89.120 | 89.620 | 88.600 | 89.230 | 82.048 | 701,400 |
| 2019-10-16 | 88.190 | 88.930 | 87.690 | 88.810 | 81.662 | 868,900 |
| 2019-10-15 | 88.520 | 88.990 | 88.340 | 88.520 | 81.396 | 813,900 |
| 2019-10-14 | 87.630 | 88.320 | 87.430 | 88.190 | 81.092 | 563,300 |
| 2019-10-11 | 88.230 | 88.690 | 87.950 | 87.980 | 80.899 | 1,014,700 |
| 2019-10-10 | 87.260 | 88.200 | 86.290 | 87.470 | 80.430 | 796,900 |
| 2019-10-09 | 87.600 | 87.830 | 86.520 | 87.320 | 80.292 | 749,800 |
| 2019-10-08 | 87.950 | 88.050 | 86.750 | 86.760 | 79.777 | 997,200 |
| 2019-10-07 | 88.550 | 89.230 | 87.810 | 88.560 | 81.432 | 739,100 |
| 2019-10-04 | 87.220 | 89.200 | 87.110 | 89.020 | 81.855 | 590,300 |
| 2019-10-03 | 86.260 | 87.170 | 85.480 | 87.110 | 80.099 | 507,400 |
| 2019-10-02 | 87.440 | 87.710 | 85.340 | 86.330 | 79.382 | 775,400 |
| 2019-10-01 | 89.990 | 90.010 | 87.860 | 87.940 | 80.862 | 738,500 |
| 2019-09-30 | 89.070 | 89.940 | 88.870 | 89.570 | 82.361 | 540,100 |
| 2019-09-27 | 90.440 | 90.440 | 88.190 | 88.810 | 81.662 | 446,700 |
| 2019-09-26 | 89.060 | 90.070 | 88.360 | 89.800 | 82.573 | 659,000 |
| 2019-09-25 | 88.790 | 89.260 | 88.500 | 88.940 | 81.782 | 691,900 |
| 2019-09-24 | 88.680 | 89.370 | 88.280 | 88.840 | 81.690 | 863,000 |
| 2019-09-23 | 88.160 | 88.950 | 88.160 | 88.390 | 81.276 | 596,500 |
| 2019-09-20 | 89.540 | 89.860 | 88.390 | 88.800 | 81.653 | 1,495,100 |
| 2019-09-19 | 89.960 | 90.450 | 89.390 | 89.470 | 82.269 | 740,100 |
| 2019-09-18 | 89.480 | 90.240 | 88.890 | 89.880 | 82.646 | 755,500 |
| 2019-09-17 | 87.890 | 89.820 | 87.890 | 89.640 | 82.425 | 1,297,100 |
| 2019-09-16 | 86.450 | 87.610 | 86.210 | 87.560 | 80.513 | 1,075,900 |
| 2019-09-13 | 87.850 | 88.120 | 86.530 | 86.980 | 79.980 | 1,111,300 |
| 2019-09-12 | 88.270 | 89.160 | 87.740 | 87.810 | 80.743 | 996,200 |
| 2019-09-11 | 88.100 | 88.370 | 87.050 | 87.950 | 80.871 | 914,800 |
| 2019-09-10 | 89.860 | 90.010 | 86.890 | 88.080 | 80.991 | 970,400 |
| 2019-09-09 | 90.950 | 90.950 | 89.550 | 89.870 | 82.637 | 666,700 |
| 2019-09-06 | 89.770 | 91.000 | 89.510 | 90.500 | 83.216 | 741,200 |
| 2019-09-05 | 90.540 | 90.930 | 89.410 | 89.730 | 82.508 | 574,600 |
| 2019-09-04 | 90.280 | 90.560 | 89.440 | 90.020 | 82.379 | 594,400 |
| 2019-09-03 | 90.020 | 90.300 | 89.210 | 89.660 | 82.050 | 860,900 |
| 2019-08-30 | 89.520 | 91.110 | 89.350 | 90.710 | 83.011 | 1,214,200 |
| 2019-08-29 | 88.490 | 89.260 | 88.050 | 88.780 | 81.245 | 1,009,900 |
| 2019-08-28 | 88.050 | 88.380 | 87.430 | 87.900 | 80.439 | 1,039,200 |
| 2019-08-27 | 88.680 | 89.310 | 88.010 | 88.040 | 80.568 | 1,174,000 |
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.