Arthur J. Gallagher & Co. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2020-08-06 | 105.36 | 106.14 | 104.92 | 105.56 | 98.384 | 591,800 |
| 2020-08-05 | 105.55 | 106.06 | 105.02 | 105.50 | 98.328 | 936,600 |
| 2020-08-04 | 106.22 | 106.51 | 104.54 | 105.44 | 98.272 | 931,400 |
| 2020-08-03 | 106.51 | 107.82 | 105.75 | 106.09 | 98.878 | 861,700 |
| 2020-07-31 | 106.00 | 108.99 | 105.46 | 107.49 | 100.18 | 1,009,800 |
| 2020-07-30 | 103.23 | 105.15 | 102.99 | 104.57 | 97.461 | 815,000 |
| 2020-07-29 | 103.57 | 104.92 | 103.22 | 104.80 | 97.676 | 1,635,300 |
| 2020-07-28 | 103.81 | 104.04 | 102.59 | 103.76 | 96.706 | 1,018,600 |
| 2020-07-27 | 104.14 | 104.14 | 102.83 | 103.53 | 96.492 | 665,300 |
| 2020-07-24 | 104.26 | 104.47 | 103.56 | 103.93 | 96.865 | 552,800 |
| 2020-07-23 | 104.66 | 105.39 | 103.59 | 104.03 | 96.958 | 622,100 |
| 2020-07-22 | 104.06 | 104.70 | 103.25 | 104.45 | 97.349 | 672,900 |
| 2020-07-21 | 104.45 | 105.22 | 103.60 | 104.04 | 96.967 | 800,500 |
| 2020-07-20 | 103.14 | 104.45 | 103.14 | 104.13 | 97.051 | 636,000 |
| 2020-07-17 | 102.96 | 104.05 | 102.41 | 103.55 | 96.511 | 857,300 |
| 2020-07-16 | 101.23 | 102.96 | 100.64 | 102.55 | 95.579 | 820,400 |
| 2020-07-15 | 102.06 | 102.15 | 100.76 | 101.49 | 94.591 | 768,100 |
| 2020-07-14 | 98.280 | 101.17 | 98.280 | 101.07 | 94.199 | 868,500 |
| 2020-07-13 | 99.700 | 100.05 | 97.840 | 98.220 | 91.543 | 730,500 |
| 2020-07-10 | 97.780 | 99.240 | 97.330 | 99.140 | 92.400 | 593,800 |
| 2020-07-09 | 98.550 | 98.680 | 96.000 | 97.590 | 90.956 | 710,600 |
| 2020-07-08 | 98.000 | 98.620 | 97.410 | 98.370 | 91.683 | 727,900 |
| 2020-07-07 | 97.590 | 98.840 | 97.220 | 97.670 | 91.030 | 684,600 |
| 2020-07-06 | 99.000 | 99.000 | 96.550 | 96.880 | 90.294 | 809,200 |
| 2020-07-02 | 98.710 | 98.920 | 96.960 | 97.340 | 90.723 | 684,700 |
| 2020-07-01 | 97.870 | 98.290 | 96.910 | 97.350 | 90.732 | 714,700 |
| 2020-06-30 | 95.580 | 98.080 | 95.260 | 97.490 | 90.863 | 633,300 |
| 2020-06-29 | 97.500 | 97.500 | 94.970 | 95.670 | 89.166 | 721,100 |
| 2020-06-26 | 96.650 | 97.920 | 95.960 | 96.670 | 90.098 | 2,072,700 |
| 2020-06-25 | 94.750 | 97.490 | 93.870 | 97.280 | 90.667 | 871,000 |
| 2020-06-24 | 96.310 | 96.470 | 94.170 | 94.780 | 88.337 | 1,011,100 |
| 2020-06-23 | 97.790 | 98.380 | 96.920 | 97.520 | 90.891 | 771,400 |
| 2020-06-22 | 94.970 | 97.170 | 94.740 | 96.740 | 90.164 | 1,120,900 |
| 2020-06-19 | 100.91 | 101.00 | 94.740 | 94.740 | 88.300 | 2,929,200 |
| 2020-06-18 | 98.350 | 100.58 | 98.270 | 99.170 | 92.428 | 890,700 |
| 2020-06-17 | 96.140 | 99.360 | 95.870 | 98.350 | 91.664 | 1,207,800 |
| 2020-06-16 | 98.130 | 98.130 | 95.060 | 95.650 | 89.148 | 1,285,600 |
| 2020-06-15 | 93.020 | 96.080 | 92.490 | 95.130 | 88.663 | 2,044,000 |
| 2020-06-12 | 97.160 | 97.160 | 93.860 | 95.320 | 88.840 | 1,968,600 |
| 2020-06-11 | 98.560 | 98.560 | 94.100 | 94.470 | 88.048 | 2,108,000 |
| 2020-06-10 | 100.82 | 102.25 | 100.39 | 100.41 | 93.584 | 1,168,300 |
| 2020-06-09 | 101.00 | 102.05 | 99.510 | 101.15 | 94.274 | 1,229,000 |
| 2020-06-08 | 99.650 | 101.90 | 99.280 | 101.90 | 94.973 | 1,349,400 |
| 2020-06-05 | 100.84 | 101.54 | 99.010 | 100.45 | 93.621 | 1,379,400 |
| 2020-06-04 | 96.560 | 98.460 | 95.770 | 98.200 | 91.524 | 766,300 |
| 2020-06-03 | 96.360 | 98.100 | 96.140 | 97.950 | 90.872 | 792,500 |
| 2020-06-02 | 94.620 | 95.980 | 94.250 | 95.500 | 88.599 | 962,500 |
| 2020-06-01 | 94.380 | 95.020 | 93.580 | 94.460 | 87.634 | 946,900 |
| 2020-05-29 | 93.620 | 94.950 | 93.070 | 94.280 | 87.467 | 1,389,600 |
| 2020-05-28 | 95.000 | 95.000 | 93.290 | 94.000 | 87.207 | 1,131,200 |
| 2020-05-27 | 94.060 | 94.500 | 92.850 | 93.820 | 87.040 | 1,007,100 |
| 2020-05-26 | 92.690 | 93.440 | 91.620 | 92.380 | 85.704 | 1,229,800 |
| 2020-05-22 | 90.960 | 91.170 | 89.900 | 91.100 | 84.517 | 900,200 |
| 2020-05-21 | 90.140 | 91.220 | 89.670 | 91.000 | 84.424 | 938,900 |
| 2020-05-20 | 90.910 | 91.590 | 90.010 | 90.690 | 84.137 | 1,008,900 |
| 2020-05-19 | 89.790 | 91.160 | 89.790 | 90.220 | 83.701 | 1,019,300 |
| 2020-05-18 | 90.060 | 90.870 | 89.490 | 90.300 | 83.775 | 1,140,100 |
| 2020-05-15 | 85.560 | 87.490 | 85.060 | 87.230 | 80.927 | 2,523,000 |
| 2020-05-14 | 84.800 | 87.140 | 84.050 | 86.490 | 80.240 | 1,406,000 |
| 2020-05-13 | 86.150 | 86.810 | 83.770 | 85.830 | 79.628 | 1,577,900 |
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.