The highest closing price for Aon (AON) last month was $366.13, on October 7. It was down 4.1% for the month. The latest price is $344.14.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
October 31 2025 | $335.69 | $347.85 | $334.07 | $339.94 | 2,460,200 |
October 30 2025 | $327.35 | $329.99 | $325.80 | $327.47 | 2,212,400 |
October 29 2025 | $327.21 | $328.47 | $323.57 | $325.36 | 1,532,200 |
October 28 2025 | $334.48 | $334.48 | $328.28 | $329.24 | 1,212,800 |
October 27 2025 | $336.26 | $337.87 | $334.51 | $336.13 | 1,438,700 |
October 24 2025 | $339.76 | $341.58 | $336.60 | $336.99 | 842,000 |
October 23 2025 | $342.25 | $342.65 | $337.51 | $340.60 | 1,238,200 |
October 22 2025 | $342.57 | $343.54 | $339.77 | $342.35 | 1,189,500 |
October 21 2025 | $343.05 | $345.61 | $341.43 | $342.68 | 981,500 |
October 20 2025 | $346.46 | $346.46 | $340.65 | $343.36 | 935,100 |
October 17 2025 | $343.32 | $347.55 | $343.31 | $345.84 | 2,057,500 |
October 16 2025 | $348.16 | $348.28 | $337.18 | $342.37 | 1,820,400 |
October 15 2025 | $356.71 | $359.18 | $353.16 | $355.02 | 1,094,300 |
October 14 2025 | $353.01 | $360.03 | $351.63 | $359.72 | 845,600 |
October 13 2025 | $356.33 | $358.77 | $351.10 | $352.59 | 728,700 |
October 10 2025 | $361.47 | $362.50 | $358.39 | $359.36 | 628,100 |
October 09 2025 | $364.80 | $366.45 | $359.13 | $359.63 | 692,500 |
October 08 2025 | $365.69 | $369.50 | $364.14 | $364.58 | 1,114,400 |
October 07 2025 | $365.45 | $368.87 | $363.53 | $366.13 | 852,900 |
October 06 2025 | $363.27 | $366.20 | $361.33 | $364.90 | 1,109,200 |
October 03 2025 | $359.16 | $365.18 | $358.70 | $363.01 | 666,900 |
October 02 2025 | $356.69 | $361.44 | $353.83 | $359.94 | 621,300 |
October 01 2025 | $354.37 | $359.35 | $352.54 | $359.34 | 1,444,900 |
Daily pricing data for Aon dates back to 6/2/1980, and may be incomplete.
