Interactive Brokers Group, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2012-09-24 | 14.150 | 14.230 | 14.080 | 14.140 | 3.050 | 834,000 |
| 2012-09-21 | 14.290 | 14.320 | 14.160 | 14.180 | 3.058 | 3,418,000 |
| 2012-09-20 | 14.260 | 14.290 | 14.190 | 14.220 | 3.067 | 982,400 |
| 2012-09-19 | 14.300 | 14.370 | 14.210 | 14.350 | 3.095 | 931,200 |
| 2012-09-18 | 14.240 | 14.390 | 14.190 | 14.340 | 3.093 | 1,056,400 |
| 2012-09-17 | 14.490 | 14.490 | 14.290 | 14.300 | 3.084 | 1,006,400 |
| 2012-09-14 | 14.340 | 14.580 | 14.240 | 14.470 | 3.121 | 1,372,400 |
| 2012-09-13 | 14.280 | 14.370 | 14.130 | 14.340 | 3.093 | 1,274,800 |
| 2012-09-12 | 14.320 | 14.390 | 14.250 | 14.310 | 3.086 | 776,400 |
| 2012-09-11 | 14.190 | 14.380 | 14.190 | 14.330 | 3.091 | 654,800 |
| 2012-09-10 | 14.220 | 14.440 | 14.190 | 14.220 | 3.067 | 1,016,400 |
| 2012-09-07 | 14.090 | 14.260 | 13.970 | 14.260 | 3.076 | 623,200 |
| 2012-09-06 | 13.870 | 14.050 | 13.770 | 14.040 | 3.028 | 877,200 |
| 2012-09-05 | 13.850 | 13.930 | 13.720 | 13.770 | 2.970 | 706,000 |
| 2012-09-04 | 13.830 | 13.900 | 13.690 | 13.890 | 2.996 | 935,200 |
| 2012-08-31 | 13.780 | 13.910 | 13.680 | 13.820 | 2.981 | 651,600 |
| 2012-08-30 | 13.750 | 13.780 | 13.660 | 13.730 | 2.961 | 1,053,600 |
| 2012-08-29 | 13.750 | 13.800 | 13.660 | 13.740 | 2.963 | 1,373,200 |
| 2012-08-28 | 13.770 | 13.880 | 13.750 | 13.800 | 2.955 | 633,600 |
| 2012-08-27 | 13.820 | 13.960 | 13.760 | 13.780 | 2.950 | 701,200 |
| 2012-08-24 | 13.700 | 13.910 | 13.700 | 13.830 | 2.961 | 480,000 |
| 2012-08-23 | 13.630 | 13.790 | 13.550 | 13.740 | 2.942 | 977,600 |
| 2012-08-22 | 13.800 | 13.810 | 13.530 | 13.660 | 2.925 | 3,298,400 |
| 2012-08-21 | 13.750 | 13.850 | 13.720 | 13.750 | 2.944 | 938,800 |
| 2012-08-20 | 13.650 | 13.760 | 13.590 | 13.730 | 2.940 | 1,063,200 |
| 2012-08-17 | 13.650 | 13.660 | 13.560 | 13.640 | 2.921 | 1,490,000 |
| 2012-08-16 | 13.290 | 13.620 | 13.290 | 13.600 | 2.912 | 1,279,200 |
| 2012-08-15 | 13.490 | 13.670 | 13.490 | 13.590 | 2.910 | 855,200 |
| 2012-08-14 | 13.720 | 13.780 | 13.490 | 13.540 | 2.899 | 835,200 |
| 2012-08-13 | 13.670 | 13.740 | 13.580 | 13.720 | 2.938 | 384,800 |
| 2012-08-10 | 13.750 | 13.790 | 13.660 | 13.710 | 2.935 | 710,800 |
| 2012-08-09 | 13.920 | 13.920 | 13.730 | 13.760 | 2.946 | 800,400 |
| 2012-08-08 | 13.880 | 13.950 | 13.810 | 13.900 | 2.976 | 965,200 |
| 2012-08-07 | 13.840 | 13.940 | 13.770 | 13.880 | 2.972 | 1,394,800 |
| 2012-08-06 | 13.690 | 13.820 | 13.600 | 13.810 | 2.957 | 960,800 |
| 2012-08-03 | 13.580 | 13.750 | 13.470 | 13.690 | 2.931 | 1,237,600 |
| 2012-08-02 | 13.760 | 13.830 | 13.200 | 13.410 | 2.871 | 3,025,600 |
| 2012-08-01 | 13.970 | 13.990 | 13.550 | 13.690 | 2.931 | 1,892,800 |
| 2012-07-31 | 13.960 | 14.010 | 13.850 | 13.850 | 2.965 | 1,950,800 |
| 2012-07-30 | 14.090 | 14.150 | 13.930 | 13.960 | 2.989 | 1,254,400 |
| 2012-07-27 | 14.060 | 14.200 | 14.030 | 14.140 | 3.028 | 1,361,200 |
| 2012-07-26 | 13.900 | 14.110 | 13.820 | 14.030 | 3.004 | 1,244,800 |
| 2012-07-25 | 13.560 | 13.890 | 13.560 | 13.840 | 2.963 | 1,886,800 |
| 2012-07-24 | 13.590 | 13.700 | 13.410 | 13.590 | 2.910 | 2,678,800 |
| 2012-07-23 | 13.260 | 13.650 | 13.260 | 13.610 | 2.914 | 2,161,200 |
| 2012-07-20 | 13.400 | 13.470 | 13.190 | 13.380 | 2.865 | 1,580,400 |
| 2012-07-19 | 13.400 | 13.580 | 13.250 | 13.550 | 2.901 | 3,216,400 |
| 2012-07-18 | 13.620 | 13.640 | 13.010 | 13.430 | 2.876 | 6,459,600 |
| 2012-07-17 | 14.550 | 14.600 | 14.020 | 14.020 | 3.002 | 1,874,800 |
| 2012-07-16 | 14.480 | 14.530 | 14.340 | 14.480 | 3.100 | 1,261,200 |
| 2012-07-13 | 14.260 | 14.630 | 14.260 | 14.480 | 3.100 | 879,600 |
| 2012-07-12 | 14.170 | 14.330 | 14.090 | 14.280 | 3.058 | 784,800 |
| 2012-07-11 | 14.070 | 14.290 | 14.050 | 14.270 | 3.055 | 1,063,600 |
| 2012-07-10 | 14.280 | 14.370 | 13.970 | 14.110 | 3.021 | 2,472,000 |
| 2012-07-09 | 14.570 | 14.690 | 14.510 | 14.660 | 3.139 | 849,200 |
| 2012-07-06 | 14.610 | 14.650 | 14.450 | 14.600 | 3.126 | 1,585,200 |
| 2012-07-05 | 14.700 | 14.760 | 14.550 | 14.720 | 3.152 | 1,116,400 |
| 2012-07-03 | 14.540 | 14.770 | 14.500 | 14.730 | 3.154 | 699,600 |
| 2012-07-02 | 14.730 | 14.770 | 14.500 | 14.590 | 3.124 | 1,232,400 |
| 2012-06-29 | 14.870 | 14.870 | 14.620 | 14.720 | 3.152 | 978,000 |
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.