Interactive Brokers Group, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
| 2014-11-17 | 27.430 | 27.680 | 27.200 | 27.320 | 6.255 | 2,051,200 |
| 2014-11-14 | 26.890 | 27.220 | 26.760 | 27.140 | 6.214 | 1,437,600 |
| 2014-11-13 | 27.050 | 27.060 | 26.720 | 26.920 | 6.163 | 1,149,200 |
| 2014-11-12 | 26.880 | 27.040 | 26.810 | 26.980 | 6.177 | 836,400 |
| 2014-11-11 | 26.990 | 27.060 | 26.810 | 26.930 | 6.166 | 776,800 |
| 2014-11-10 | 26.920 | 27.160 | 26.870 | 26.950 | 6.170 | 1,117,600 |
| 2014-11-07 | 27.700 | 27.760 | 26.730 | 26.890 | 6.157 | 1,236,000 |
| 2014-11-06 | 26.320 | 27.080 | 26.190 | 27.020 | 6.186 | 5,787,600 |
| 2014-11-05 | 26.520 | 26.750 | 26.160 | 26.240 | 6.008 | 2,121,600 |
| 2014-11-04 | 26.230 | 26.410 | 26.010 | 26.340 | 6.031 | 2,960,000 |
| 2014-11-03 | 25.840 | 26.370 | 25.710 | 26.240 | 6.008 | 4,397,600 |
| 2014-10-31 | 25.800 | 25.950 | 25.710 | 25.820 | 5.912 | 4,414,800 |
| 2014-10-30 | 25.720 | 25.780 | 25.520 | 25.670 | 5.877 | 1,888,800 |
| 2014-10-29 | 25.820 | 25.940 | 25.640 | 25.750 | 5.896 | 2,106,800 |
| 2014-10-28 | 25.540 | 25.920 | 25.500 | 25.820 | 5.912 | 1,787,600 |
| 2014-10-27 | 25.700 | 25.760 | 25.390 | 25.510 | 5.841 | 1,450,000 |
| 2014-10-24 | 25.610 | 25.960 | 25.570 | 25.900 | 5.930 | 2,410,000 |
| 2014-10-23 | 25.940 | 26.000 | 25.670 | 25.750 | 5.896 | 3,453,600 |
| 2014-10-22 | 25.760 | 26.580 | 25.730 | 25.870 | 5.923 | 3,640,400 |
| 2014-10-21 | 25.090 | 25.370 | 24.860 | 25.270 | 5.786 | 2,078,000 |
| 2014-10-20 | 24.560 | 24.940 | 24.560 | 24.930 | 5.708 | 1,801,200 |
| 2014-10-17 | 24.450 | 24.810 | 24.340 | 24.590 | 5.630 | 1,678,800 |
| 2014-10-16 | 23.370 | 24.390 | 23.370 | 24.270 | 5.557 | 2,044,000 |
| 2014-10-15 | 23.220 | 23.840 | 23.010 | 23.760 | 5.440 | 1,878,000 |
| 2014-10-14 | 23.740 | 23.940 | 23.500 | 23.590 | 5.401 | 1,687,600 |
| 2014-10-13 | 23.720 | 24.150 | 23.620 | 23.620 | 5.408 | 1,947,600 |
| 2014-10-10 | 24.530 | 24.710 | 23.730 | 23.790 | 5.447 | 2,701,600 |
| 2014-10-09 | 24.800 | 24.840 | 24.290 | 24.600 | 5.632 | 2,554,400 |
| 2014-10-08 | 24.780 | 24.960 | 24.340 | 24.830 | 5.685 | 1,854,000 |
| 2014-10-07 | 25.010 | 25.090 | 24.710 | 24.750 | 5.667 | 1,326,400 |
| 2014-10-06 | 25.550 | 25.620 | 25.150 | 25.150 | 5.758 | 1,588,800 |
| 2014-10-03 | 25.340 | 25.550 | 25.140 | 25.520 | 5.843 | 1,913,200 |
| 2014-10-02 | 25.040 | 25.210 | 24.870 | 25.090 | 5.744 | 1,583,600 |
| 2014-10-01 | 24.940 | 25.200 | 24.740 | 25.020 | 5.728 | 1,464,400 |
| 2014-09-30 | 25.080 | 25.180 | 24.810 | 24.950 | 5.712 | 1,018,000 |
| 2014-09-29 | 24.980 | 25.260 | 24.890 | 25.020 | 5.728 | 1,033,600 |
| 2014-09-26 | 24.990 | 25.250 | 24.820 | 25.240 | 5.779 | 1,251,200 |
| 2014-09-25 | 25.360 | 25.520 | 24.780 | 24.880 | 5.696 | 2,383,200 |
| 2014-09-24 | 25.500 | 25.680 | 25.280 | 25.450 | 5.827 | 2,169,600 |
| 2014-09-23 | 25.570 | 25.870 | 25.480 | 25.500 | 5.838 | 2,186,000 |
| 2014-09-22 | 25.650 | 25.750 | 25.230 | 25.550 | 5.850 | 2,476,400 |
| 2014-09-19 | 26.220 | 26.410 | 25.510 | 25.700 | 5.884 | 9,226,800 |
| 2014-09-18 | 25.980 | 26.640 | 25.980 | 26.210 | 6.001 | 2,355,600 |
| 2014-09-17 | 25.200 | 26.140 | 25.100 | 25.930 | 5.937 | 3,382,000 |
| 2014-09-16 | 25.010 | 25.390 | 25.010 | 25.160 | 5.760 | 1,448,800 |
| 2014-09-15 | 25.300 | 25.330 | 25.090 | 25.110 | 5.749 | 1,650,400 |
| 2014-09-12 | 24.650 | 25.370 | 24.650 | 25.290 | 5.790 | 2,192,800 |
| 2014-09-11 | 24.390 | 24.730 | 24.180 | 24.600 | 5.632 | 1,894,800 |
| 2014-09-10 | 23.870 | 24.400 | 23.640 | 24.400 | 5.586 | 1,259,200 |
| 2014-09-09 | 23.900 | 24.080 | 23.740 | 23.840 | 5.458 | 847,200 |
| 2014-09-08 | 23.750 | 24.070 | 23.540 | 23.930 | 5.479 | 1,415,600 |
| 2014-09-05 | 23.780 | 23.900 | 23.530 | 23.780 | 5.444 | 790,400 |
| 2014-09-04 | 23.910 | 24.150 | 23.780 | 23.790 | 5.447 | 726,000 |
| 2014-09-03 | 24.210 | 24.250 | 23.810 | 23.900 | 5.472 | 1,250,800 |
| 2014-09-02 | 23.540 | 24.170 | 23.430 | 24.050 | 5.506 | 2,134,000 |
| 2014-08-29 | 23.550 | 23.700 | 23.390 | 23.440 | 5.367 | 686,400 |
| 2014-08-28 | 23.560 | 23.570 | 23.320 | 23.530 | 5.387 | 705,600 |
| 2014-08-27 | 23.870 | 23.870 | 23.500 | 23.620 | 5.408 | 816,000 |
| 2014-08-26 | 23.950 | 24.090 | 23.820 | 23.890 | 5.447 | 952,400 |
| 2014-08-25 | 23.870 | 24.220 | 23.690 | 23.960 | 5.463 | 785,200 |
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.