Interactive Brokers (IBKR) went public on May 4, 2007, when it opened at a split-adjusted price of $7.76.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
October 2025 | $67.86 | $73.35 | $64.15 | $68.75 | 95,049,305 |
September 2025 | $61.30 | $70.27 | $59.94 | $68.81 | 111,227,770 |
August 2025 | $63.62 | $67.98 | $59.98 | $62.24 | 197,724,084 |
July 2025 | $55.49 | $66.73 | $53.07 | $65.48 | 129,839,491 |
June 2025 | $52.17 | $55.55 | $49.09 | $55.34 | 104,657,530 |
May 2025 | $43.07 | $53.39 | $42.98 | $52.35 | 103,620,724 |
April 2025 | $41.23 | $44.27 | $32.73 | $42.84 | 206,866,560 |
March 2025 | $52.14 | $52.76 | $39.19 | $41.28 | 212,058,700 |
February 2025 | $52.40 | $58.89 | $49.52 | $50.96 | 168,278,000 |
January 2025 | $44.22 | $55.05 | $43.22 | $54.14 | 135,513,876 |
December 2024 | $47.72 | $48.16 | $42.60 | $43.99 | 90,010,276 |
November 2024 | $37.98 | $48.10 | $37.81 | $47.58 | 89,788,840 |
October 2024 | $34.55 | $38.48 | $33.73 | $37.94 | 89,732,852 |
September 2024 | $31.86 | $34.67 | $29.85 | $34.65 | 71,239,672 |
August 2024 | $29.78 | $32.07 | $25.73 | $32.05 | 75,002,904 |
July 2024 | $30.79 | $32.02 | $28.86 | $29.60 | 92,365,728 |
June 2024 | $31.35 | $31.62 | $29.32 | $30.43 | 58,200,396 |
May 2024 | $28.57 | $32.00 | $28.46 | $31.20 | 73,042,940 |
April 2024 | $27.67 | $29.22 | $26.45 | $28.51 | 87,555,372 |
March 2024 | $27.00 | $27.87 | $26.38 | $27.67 | 69,421,268 |
February 2024 | $21.90 | $27.06 | $21.86 | $26.93 | 92,284,684 |
January 2024 | $20.57 | $22.92 | $20.36 | $21.96 | 136,026,580 |
December 2023 | $19.36 | $21.03 | $19.19 | $20.51 | 98,718,012 |
November 2023 | $19.85 | $20.41 | $17.94 | $19.26 | 92,579,716 |
October 2023 | $21.44 | $22.27 | $19.45 | $19.79 | 89,308,368 |
