NYSE : AON
Aon plc — Price history
Financials · Insurance Brokers · Ireland
Last price 321.67 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 68.24B
Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports
Price history
Aon plc (AON) closed at 321.67 USD on 2026-10-30. Daily open, high, low, close and volume for recent sessions:
| Date | Open | High | Low | Close | Volume | Change |
|---|---|---|---|---|---|---|
| 2026-10-30 | 326.62 | 329.43 | 321.5 | 321.67 | 1,821,106 | +0.01% |
| 2026-10-29 | 317.59 | 323.57 | 313.94 | 321.64 | 1,998,823 | +1.88% |
| 2026-10-28 | 314 | 318.72 | 307.29 | 315.72 | 2,658,578 | +4.37% |
| 2026-10-27 | 297.27 | 303.71 | 295.516 | 302.5 | 2,891,078 | +0.15% |
| 2026-10-26 | 302.61 | 303.49 | 299.13 | 302.06 | 1,530,009 | -0.48% |
| 2026-10-23 | 305.01 | 307.67 | 301.755 | 303.52 | 1,108,596 | -1.07% |
| 2026-10-22 | 296.01 | 306.95 | 296.01 | 306.8 | 1,636,535 | +4.23% |
| 2026-10-21 | 296.58 | 297 | 293.32 | 294.35 | 1,009,715 | -0.80% |
| 2026-10-20 | 292.59 | 298.55 | 290 | 296.71 | 1,477,586 | +2.41% |
| 2026-10-19 | 289.03 | 291.91 | 287.18 | 289.74 | 1,521,731 | -0.96% |
| 2026-10-16 | 288.79 | 292.73 | 287.74 | 292.55 | 1,823,194 | +2.00% |
| 2026-10-15 | 279.85 | 288.47 | 279.85 | 286.8 | 2,317,417 | +4.16% |
| 2026-10-14 | 275.63 | 277.25 | 272.043 | 275.35 | 1,638,431 | +0.23% |
| 2026-10-13 | 275.99 | 277.62 | 272.39 | 274.71 | 1,452,768 | -0.03% |
| 2026-10-12 | 274.87 | 276.01 | 273.24 | 274.78 | 1,566,920 | +0.48% |
| 2026-10-09 | 276.63 | 277.49 | 272.83 | 273.47 | 1,799,554 | -1.32% |
| 2026-10-08 | 271.29 | 277.9 | 270.03 | 277.12 | 1,971,547 | +2.46% |
| 2026-10-07 | 275.07 | 275.31 | 269.72 | 270.47 | 1,540,999 | -1.28% |
| 2026-10-06 | 270.83 | 274.71 | 270.1 | 273.99 | 1,377,841 | +0.71% |
| 2026-10-05 | 267.59 | 272.37 | 266.33 | 272.05 | 1,322,353 | +0.96% |
| 2026-10-02 | 274.96 | 276.39 | 268.9 | 269.45 | 1,590,317 | -2.36% |
| 2026-10-01 | 277.48 | 279.49 | 274.81 | 275.95 | 1,962,666 | -0.30% |
| 2026-09-30 | 275.78 | 278.19 | 273.8 | 276.77 | 2,280,683 | +0.32% |
| 2026-09-29 | 269.91 | 276.97 | 269.02 | 275.9 | 1,969,298 | +1.40% |
| 2026-09-28 | 277.5 | 278.395 | 270 | 272.1 | 1,833,310 | -2.12% |
| 2026-09-25 | 277 | 280.98 | 276.52 | 277.99 | 1,604,018 | +0.69% |
| 2026-09-24 | 281.6 | 283.03 | 275.38 | 276.09 | 2,667,310 | -1.96% |
| 2026-09-23 | 284.67 | 286.8 | 281.18 | 281.6 | 1,694,705 | -1.57% |
| 2026-09-22 | 291.06 | 293.55 | 282.7 | 286.1 | 2,537,327 | -1.62% |
| 2026-09-21 | 297.01 | 297.87 | 290.7 | 290.82 | 1,932,616 | -1.63% |
| 2026-09-18 | 294.25 | 297.73 | 293 | 295.64 | 3,024,574 | -0.14% |
| 2026-09-17 | 299.54 | 302.122 | 295.78 | 296.05 | 3,203,612 | -1.50% |
| 2026-09-16 | 303.4 | 304.06 | 298.48 | 300.57 | 3,156,400 | -1.35% |
| 2026-09-15 | 311.6 | 311.975 | 304.59 | 304.67 | 1,786,498 | -2.21% |
| 2026-09-14 | 308.08 | 312.39 | 305.92 | 311.54 | 2,811,895 | +2.92% |
| 2026-09-11 | 310.85 | 311.885 | 302.44 | 302.69 | 2,048,889 | -1.65% |
| 2026-09-10 | 304.97 | 310.04 | 304.2 | 307.77 | 2,361,710 | +1.01% |
| 2026-09-09 | 313.45 | 315.67 | 303.59 | 304.69 | 2,251,486 | -3.51% |
| 2026-09-08 | 316.78 | 321.57 | 314.95 | 315.79 | 1,888,158 | -2.26% |
| 2026-09-04 | 328.18 | 328.84 | 321.49 | 323.09 | 1,452,678 | -1.20% |
| 2026-09-03 | 332 | 336.45 | 325.678 | 327 | 1,426,096 | -1.17% |
| 2026-09-02 | 327.7 | 331.6 | 324.793 | 330.88 | 2,048,205 | +1.40% |
| 2026-09-01 | 321.415 | 328.52 | 312.92 | 326.3 | 2,417,596 | +1.49% |
| 2026-08-31 | 340 | 343.26 | 320.21 | 321.52 | 2,393,876 | -9.53% |
| 2026-08-28 | 350.96 | 358.712 | 349.76 | 355.4 | 532,507 | +1.67% |
| 2026-08-27 | 350.51 | 352.88 | 348.03 | 349.56 | 643,367 | -1.25% |
| 2026-08-26 | 354.63 | 356.455 | 353.19 | 353.98 | 558,605 | -0.24% |
| 2026-08-25 | 357 | 360.3 | 354.14 | 354.83 | 615,303 | -1.19% |
| 2026-08-24 | 358.52 | 361.725 | 356.495 | 359.1 | 624,179 | +1.12% |
| 2026-08-21 | 352.39 | 356.86 | 350.565 | 355.11 | 736,631 | +0.90% |
| 2026-08-20 | 348.9 | 356.12 | 346.32 | 351.93 | 702,568 | +1.00% |
| 2026-08-19 | 344.23 | 352.84 | 341.75 | 348.43 | 595,671 | +1.52% |
| 2026-08-18 | 343.2 | 350.13 | 343.03 | 343.2 | 914,411 | -1.16% |
| 2026-08-17 | 354 | 355.27 | 346.5 | 347.22 | 688,751 | -2.42% |
| 2026-08-14 | 357.08 | 359.98 | 353.78 | 355.83 | 691,194 | -0.35% |
| 2026-08-13 | 354.33 | 358.55 | 349.33 | 357.08 | 779,169 | +1.34% |
| 2026-08-12 | 354 | 355.91 | 349.99 | 352.36 | 581,659 | -1.15% |
| 2026-08-11 | 354 | 359.1 | 354 | 356.46 | 395,001 | -0.14% |
| 2026-08-10 | 357.705 | 359.53 | 354.995 | 356.97 | 627,257 | -0.37% |
| 2026-08-07 | 357.51 | 360.6 | 354.61 | 358.3 | 669,250 | -0.68% |
| 2026-08-06 | 362.95 | 364.99 | 356.84 | 360.75 | 767,346 | +0.22% |
| 2026-08-05 | 356.96 | 360.595 | 355.22 | 359.97 | 644,477 | +0.93% |
| 2026-08-04 | 353.37 | 357.09 | 350.23 | 356.65 | 1,113,707 | -0.27% |
| 2026-08-03 | 362.04 | 366.32 | 356.121 | 357.63 | 1,603,395 | -0.58% |
| 2026-07-31 | 363.075 | 365.02 | 359.78 | 360.55 | 1,315,956 | -1.64% |
| 2026-07-30 | 367.19 | 370.49 | 358.49 | 366.57 | 4,227,739 | -2.81% |
| 2026-07-29 | 367.64 | 379.5 | 362.255 | 377.16 | 2,010,626 | -1.08% |
| 2026-07-28 | 370 | 382.34 | 367.17 | 381.26 | 1,508,086 | +3.84% |
| 2026-07-27 | 362.03 | 369.75 | 359.8 | 367.17 | 1,590,514 | +1.51% |
| 2026-07-24 | 355.93 | 362.605 | 355.65 | 361.7 | 784,967 | +1.66% |
| 2026-07-23 | 352.59 | 355.79 | 350.83 | 355.78 | 1,178,107 | +0.98% |
| 2026-07-22 | 359.65 | 359.97 | 350.96 | 352.33 | 1,813,204 | -1.97% |
| 2026-07-21 | 359.08 | 362.995 | 354.8 | 359.4 | 1,371,174 | -0.93% |
| 2026-07-20 | 364.87 | 366 | 361.11 | 362.78 | 1,074,054 | -1.21% |
| 2026-07-17 | 370 | 375.915 | 365.63 | 367.21 | 1,445,576 | -0.39% |
| 2026-07-16 | 358.23 | 368.64 | 356.56 | 368.63 | 1,017,911 | +3.80% |
| 2026-07-15 | 357.52 | 360.29 | 350.455 | 355.15 | 1,193,567 | -1.04% |
| 2026-07-14 | 364.29 | 365.78 | 358.4 | 358.89 | 1,168,289 | -2.30% |
| 2026-07-13 | 360.12 | 367.58 | 360.12 | 367.35 | 1,511,743 | +2.92% |
| 2026-07-10 | 357.55 | 360 | 353.79 | 356.94 | 998,592 | +0.39% |
| 2026-07-09 | 354.98 | 357.5 | 353.1 | 355.56 | 602,031 | -0.55% |
| 2026-07-08 | 360 | 361.13 | 357.005 | 357.51 | 641,695 | -0.64% |
| 2026-07-07 | 360 | 366.45 | 357.065 | 359.82 | 830,188 | +0.82% |
| 2026-07-06 | 356.71 | 357.18 | 351.382 | 356.91 | 1,217,995 | -0.15% |
| 2026-07-02 | 346.41 | 357.54 | 344.2 | 357.46 | 1,182,971 | +4.05% |
| 2026-07-01 | 327.83 | 347.27 | 327.83 | 343.56 | 1,913,702 | +3.58% |
| 2026-06-30 | 327.07 | 333.755 | 322.257 | 331.69 | 1,588,789 | +1.26% |
| 2026-06-29 | 324.97 | 330.43 | 323.41 | 327.57 | 1,387,364 | -0.34% |
| 2026-06-26 | 319.72 | 330.36 | 316.82 | 328.69 | 5,288,368 | +4.03% |
| 2026-06-25 | 324.49 | 328.455 | 315.78 | 315.95 | 1,744,244 | -2.93% |
| 2026-06-24 | 322.59 | 328.24 | 319.22 | 325.48 | 2,362,206 | +1.48% |
| 2026-06-23 | 318.29 | 323.57 | 316.69 | 320.74 | 2,626,904 | +2.27% |
| 2026-06-22 | 316.51 | 319.745 | 313.62 | 313.63 | 2,131,284 | -1.29% |
| 2026-06-18 | 327.86 | 328 | 317.48 | 317.74 | 2,382,854 | -2.74% |
| 2026-06-17 | 327.02 | 334.79 | 325 | 326.69 | 1,751,080 | -1.44% |
| 2026-06-16 | 330.8 | 333.15 | 329.13 | 331.45 | 1,751,362 | +0.59% |
| 2026-06-15 | 336.71 | 338.21 | 327.98 | 329.51 | 1,405,759 | -1.73% |
| 2026-06-12 | 335 | 338.2 | 330.81 | 335.31 | 1,377,924 | +0.04% |
| 2026-06-11 | 334.39 | 340.1 | 334.39 | 335.17 | 1,431,083 | -0.34% |
| 2026-06-10 | 334.48 | 340.76 | 331 | 336.33 | 1,749,501 | +1.43% |
| 2026-06-09 | 324.87 | 333.07 | 321.55 | 331.59 | 1,956,215 | +1.76% |
| 2026-06-08 | 325.49 | 328.83 | 323.782 | 325.85 | 1,470,276 | -0.82% |
| 2026-06-05 | 325 | 331.13 | 324.115 | 328.53 | 1,340,966 | +1.95% |
| 2026-06-04 | 321.17 | 327.9 | 318.809 | 322.24 | 1,579,758 | +2.10% |
| 2026-06-03 | 316.16 | 317.038 | 311.07 | 315.6 | 1,617,805 | -0.71% |
| 2026-06-02 | 317.58 | 319.35 | 312.34 | 317.86 | 1,051,567 | -0.80% |
| 2026-06-01 | 313.78 | 321.42 | 313.23 | 320.41 | 1,431,579 | +1.38% |
| 2026-05-29 | 317.77 | 317.83 | 314.54 | 316.06 | 2,856,922 | -0.70% |
| 2026-05-28 | 320.03 | 322.09 | 316.032 | 318.3 | 1,350,753 | -0.08% |
| 2026-05-27 | 321.09 | 325.6 | 317.485 | 318.54 | 1,073,666 | -0.23% |
| 2026-05-26 | 326.27 | 326.38 | 318.48 | 319.29 | 1,411,424 | -1.69% |
| 2026-05-22 | 323.28 | 325.4 | 320.65 | 324.78 | 928,978 | +0.17% |
| 2026-05-21 | 318.71 | 325.27 | 315 | 324.22 | 946,462 | +0.96% |
| 2026-05-20 | 323.6 | 323.6 | 316.904 | 321.15 | 1,479,325 | -0.78% |
| 2026-05-19 | 328.16 | 330.22 | 322.26 | 323.66 | 2,140,585 | -0.89% |
| 2026-05-18 | 317.51 | 328.48 | 317.51 | 326.57 | 1,455,601 | +2.95% |
| 2026-05-15 | 316.24 | 321.69 | 316.24 | 317.22 | 1,955,296 | +0.57% |
| 2026-05-14 | 311.61 | 317.26 | 311.61 | 315.41 | 1,844,874 | +1.45% |
| 2026-05-13 | 313.62 | 315.49 | 308.51 | 310.9 | 1,672,440 | -1.72% |
| 2026-05-12 | 313.89 | 317.59 | 310.63 | 316.35 | 1,622,713 | +1.37% |