Interactive Brokers Group, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2019-08-22 | 47.410 | 47.490 | 46.010 | 46.590 | 11.156 | 1,098,400 |
| 2019-08-21 | 46.730 | 47.280 | 46.410 | 46.760 | 11.196 | 1,238,800 |
| 2019-08-20 | 47.530 | 47.880 | 46.630 | 46.730 | 11.189 | 977,600 |
| 2019-08-19 | 47.880 | 47.880 | 46.850 | 47.630 | 11.405 | 1,379,600 |
| 2019-08-16 | 45.230 | 47.060 | 45.140 | 46.760 | 11.196 | 2,163,600 |
| 2019-08-15 | 45.210 | 46.430 | 44.690 | 45.530 | 10.902 | 1,578,800 |
| 2019-08-14 | 44.910 | 46.290 | 44.700 | 45.430 | 10.878 | 2,012,800 |
| 2019-08-13 | 45.470 | 47.340 | 45.470 | 46.490 | 11.132 | 1,505,600 |
| 2019-08-12 | 47.580 | 47.970 | 45.700 | 45.860 | 10.981 | 1,316,400 |
| 2019-08-09 | 47.670 | 48.450 | 45.830 | 47.620 | 11.402 | 3,454,000 |
| 2019-08-08 | 49.000 | 49.000 | 48.020 | 48.470 | 11.606 | 1,520,000 |
| 2019-08-07 | 48.020 | 49.000 | 47.500 | 48.000 | 11.493 | 2,044,800 |
| 2019-08-06 | 48.900 | 49.230 | 48.010 | 48.740 | 11.671 | 1,620,000 |
| 2019-08-05 | 49.080 | 50.100 | 48.610 | 48.880 | 11.704 | 2,224,000 |
| 2019-08-02 | 50.660 | 50.830 | 49.960 | 50.130 | 12.003 | 1,791,200 |
| 2019-08-01 | 51.260 | 51.810 | 50.080 | 50.950 | 12.200 | 2,388,400 |
| 2019-07-31 | 51.950 | 51.950 | 50.890 | 51.260 | 12.274 | 1,664,000 |
| 2019-07-30 | 50.240 | 51.210 | 50.000 | 50.980 | 12.207 | 922,400 |
| 2019-07-29 | 50.680 | 51.420 | 50.170 | 50.450 | 12.080 | 1,654,800 |
| 2019-07-26 | 50.020 | 50.990 | 49.530 | 50.680 | 12.135 | 1,445,200 |
| 2019-07-25 | 50.000 | 50.990 | 49.750 | 50.100 | 11.996 | 2,154,400 |
| 2019-07-24 | 49.680 | 50.140 | 49.460 | 49.870 | 11.941 | 1,116,400 |
| 2019-07-23 | 48.880 | 50.180 | 48.880 | 50.090 | 11.994 | 1,793,200 |
| 2019-07-22 | 49.870 | 49.930 | 49.260 | 49.310 | 11.807 | 2,704,400 |
| 2019-07-19 | 49.220 | 50.190 | 49.220 | 49.550 | 11.864 | 2,731,200 |
| 2019-07-18 | 47.330 | 50.460 | 47.250 | 50.000 | 11.972 | 4,370,400 |
| 2019-07-17 | 50.000 | 51.100 | 48.320 | 49.100 | 11.757 | 8,332,000 |
| 2019-07-16 | 51.000 | 52.080 | 50.320 | 50.320 | 12.049 | 2,698,800 |
| 2019-07-15 | 52.250 | 52.610 | 51.010 | 51.090 | 12.233 | 2,107,200 |
| 2019-07-12 | 52.850 | 53.040 | 51.730 | 52.220 | 12.504 | 2,077,600 |
| 2019-07-11 | 52.670 | 53.550 | 52.670 | 52.920 | 12.671 | 1,505,200 |
| 2019-07-10 | 53.300 | 53.890 | 52.470 | 52.600 | 12.595 | 2,158,400 |
| 2019-07-09 | 53.070 | 53.850 | 52.820 | 53.740 | 12.868 | 1,322,800 |
| 2019-07-08 | 54.950 | 55.390 | 52.860 | 52.940 | 12.676 | 2,200,800 |
| 2019-07-05 | 53.900 | 55.000 | 53.370 | 54.890 | 13.143 | 2,223,200 |
| 2019-07-03 | 53.480 | 54.050 | 52.530 | 53.760 | 12.873 | 1,547,600 |
| 2019-07-02 | 52.540 | 53.320 | 52.400 | 52.910 | 12.669 | 2,143,600 |
| 2019-07-01 | 54.600 | 55.190 | 53.150 | 53.720 | 12.863 | 4,006,800 |
| 2019-06-28 | 53.310 | 54.990 | 53.180 | 54.200 | 12.978 | 5,052,000 |
| 2019-06-27 | 52.150 | 53.250 | 51.800 | 53.010 | 12.693 | 1,600,000 |
| 2019-06-26 | 52.320 | 53.170 | 52.320 | 52.350 | 12.535 | 1,691,600 |
| 2019-06-25 | 52.660 | 53.550 | 52.000 | 52.870 | 12.659 | 2,281,600 |
| 2019-06-24 | 53.900 | 54.120 | 52.200 | 52.480 | 12.566 | 2,300,800 |
| 2019-06-21 | 54.200 | 55.030 | 53.290 | 53.290 | 12.760 | 1,972,800 |
| 2019-06-20 | 54.660 | 55.570 | 54.280 | 54.770 | 13.114 | 1,674,800 |
| 2019-06-19 | 55.090 | 55.770 | 54.580 | 54.700 | 13.098 | 1,254,400 |
| 2019-06-18 | 55.030 | 55.580 | 54.840 | 55.190 | 13.215 | 918,000 |
| 2019-06-17 | 54.910 | 55.700 | 54.490 | 54.860 | 13.136 | 1,400,000 |
| 2019-06-14 | 54.550 | 55.180 | 53.620 | 55.110 | 13.196 | 1,731,200 |
| 2019-06-13 | 53.520 | 54.540 | 51.770 | 54.540 | 13.059 | 1,383,200 |
| 2019-06-12 | 54.590 | 55.000 | 52.990 | 53.260 | 12.753 | 2,491,600 |
| 2019-06-11 | 55.380 | 55.400 | 54.000 | 54.490 | 13.047 | 1,332,000 |
| 2019-06-10 | 55.000 | 55.720 | 54.200 | 54.610 | 13.076 | 2,912,000 |
| 2019-06-07 | 53.710 | 54.650 | 53.080 | 54.570 | 13.066 | 2,051,600 |
| 2019-06-06 | 53.290 | 54.310 | 52.100 | 54.220 | 12.983 | 1,722,400 |
| 2019-06-05 | 51.910 | 53.130 | 51.570 | 52.670 | 12.612 | 1,492,800 |
| 2019-06-04 | 51.020 | 52.540 | 50.500 | 52.530 | 12.578 | 1,934,800 |
| 2019-06-03 | 50.800 | 51.530 | 49.380 | 50.460 | 12.082 | 3,476,400 |
| 2019-05-31 | 51.500 | 52.190 | 50.160 | 50.800 | 12.164 | 2,865,600 |
| 2019-05-30 | 52.440 | 53.370 | 51.580 | 52.380 | 12.542 | 1,347,600 |
Stock splits
| Date | Split (new : old) |
|---|
| 2025-06-18 | 4:1 |
Dividends
| Ex-date | Amount |
|---|
| 2026-09-01 | 0.0880 USD |
| 2026-06-01 | 0.0880 USD |
| 2026-02-27 | 0.0800 USD |
| 2025-12-01 | 0.0800 USD |
| 2025-08-29 | 0.0800 USD |
| 2025-05-30 | 0.3200 USD |
| 2025-02-28 | 0.2500 USD |
| 2024-11-29 | 0.2500 USD |
| 2024-08-30 | 0.2500 USD |
| 2024-05-31 | 0.2500 USD |
| 2024-02-29 | 0.1000 USD |
| 2023-11-30 | 0.1000 USD |
| 2023-08-31 | 0.1000 USD |
| 2023-05-31 | 0.1000 USD |
| 2023-02-28 | 0.1000 USD |
| 2022-11-30 | 0.1000 USD |
| 2022-08-31 | 0.1000 USD |
| 2022-05-31 | 0.1000 USD |
| 2022-02-28 | 0.1000 USD |
| 2021-11-30 | 0.1000 USD |
| 2021-08-31 | 0.1000 USD |
| 2021-05-28 | 0.1000 USD |
| 2021-02-26 | 0.1000 USD |
| 2020-11-30 | 0.1000 USD |
| 2020-08-31 | 0.1000 USD |
| 2020-05-29 | 0.1000 USD |
| 2020-02-27 | 0.1000 USD |
| 2019-11-27 | 0.1000 USD |
| 2019-08-29 | 0.1000 USD |
| 2019-05-30 | 0.1000 USD |
| 2019-02-28 | 0.1000 USD |
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.