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View Price for AON.
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Sep '18
Jan '19
May '19
 
285.00
270.00
255.00
240.00
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Historical Price Data

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Date Open High Low Close Volume
Sep 11, 2026 310.85 311.88 302.44 302.69 2.238M
Sep 10, 2026 304.97 310.04 304.20 307.77 2.449M
Sep 09, 2026 313.45 315.67 303.59 304.69 2.267M
Sep 08, 2026 316.78 321.57 314.95 315.79 1.927M
Sep 04, 2026 328.18 328.84 321.49 323.09 1.468M
Sep 03, 2026 332.00 336.45 325.68 327.00 1.465M
Sep 02, 2026 327.70 331.60 324.79 330.88 2.189M
Sep 01, 2026 321.42 328.52 312.92 326.30 2.423M
Aug 31, 2026 340.00 343.26 320.21 321.52 2.434M
Aug 28, 2026 350.96 358.71 349.76 355.40 669145.0
Aug 27, 2026 350.51 352.88 348.03 349.56 688509.0
Aug 26, 2026 354.63 356.46 353.19 353.98 594169.0
Aug 25, 2026 357.00 360.30 354.14 354.83 616317.0
Aug 24, 2026 358.52 361.72 356.50 359.10 627236.0
Aug 21, 2026 352.39 356.86 350.56 355.11 747031.0
Aug 20, 2026 348.90 356.12 346.32 351.93 733329.0
Aug 19, 2026 344.23 352.84 341.75 348.43 615901.0
Aug 18, 2026 343.20 350.13 343.03 343.20 921484.0
Aug 17, 2026 354.00 355.27 346.50 347.22 709507.0
Aug 14, 2026 357.08 359.98 353.78 355.83 704463.0
Aug 13, 2026 354.33 358.55 349.33 357.08 810129.0
Aug 12, 2026 354.00 355.91 349.99 352.36 625983.0
Aug 11, 2026 354.00 359.10 354.00 356.46 403314.0
Aug 10, 2026 357.70 359.53 355.00 356.97 705260.0
Aug 07, 2026 357.51 360.60 354.61 358.30 928749.0

Price Definition

The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).

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Price Range, Past 5 Years

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