AON
Aon-A (AON)
NYSE
$315.64+$13.13 (+4.34%)
Price as of Oct 28, 2026 4:37 PM EDT
  • $64.2B
    Market Cap
  • -7.47%
    1-Year Change
  • Insurance Brokers
    Industry
  • 1 Month
    +8.82%
    Low Price$269.45
    High Price$306.80
  • 3 Months
    -17.43%
    Low Price$269.45
    High Price$365.74
  • 1 Year
    -7.47%
    Low Price$269.45
    High Price$380.39
Date
Open
High
Low
Close
Change (%)
Volume
10/27/2026
297.27
303.71
295.52
302.50
+0.15%
2,941,084
10/26/2026
302.61
303.49
299.13
302.06
-0.48%
1,530,010
10/23/2026
305.01
307.67
301.76
303.52
-1.07%
1,108,597
10/22/2026
296.01
306.95
296.01
306.80
+4.23%
1,636,537
10/21/2026
296.58
297.00
293.32
294.35
-0.80%
1,009,716
10/20/2026
292.59
298.55
290.00
296.71
+2.41%
1,477,587
10/19/2026
289.03
291.91
287.18
289.74
-0.96%
1,521,732
10/16/2026
288.79
292.73
287.74
292.55
+2.00%
1,840,957
10/15/2026
279.85
288.47
279.85
286.80
+4.16%
2,331,034
10/14/2026
275.63
277.25
272.04
275.35
+0.23%
1,699,752
10/13/2026
275.99
277.62
272.39
274.71
-0.03%
1,453,730
10/12/2026
274.87
276.01
273.24
274.78
+0.48%
1,673,347
10/09/2026
276.63
277.49
272.83
273.47
-1.32%
1,911,621
10/08/2026
271.29
277.90
270.03
277.12
+2.46%
1,976,733
10/07/2026
275.07
275.31
269.72
270.47
-1.28%
1,541,421
10/06/2026
270.83
274.71
270.10
273.99
+0.71%
1,382,263
10/05/2026
267.59
272.37
266.33
272.05
+0.96%
1,366,036
10/02/2026
274.96
276.39
268.90
269.45
-2.36%
1,608,968
10/01/2026
277.48
279.49
274.81
275.95
-0.30%
2,009,655
09/30/2026
275.78
278.19
273.80
276.77
+0.32%
2,300,141
09/29/2026
269.91
276.97
269.02
275.90
+1.40%
1,987,948
09/28/2026
277.50
278.40
270.00
272.10
-2.12%
1,852,187
09/25/2026
277.00
280.98
276.52
277.99
+0.69%
1,642,565
09/24/2026
281.60
283.03
275.38
276.09
-1.96%
2,713,291
09/23/2026
284.67
286.80
281.18
281.60
-1.57%
1,794,911
09/22/2026
291.06
293.55
282.70
286.10
-1.62%
2,544,587
09/21/2026
297.01
297.87
290.70
290.82
-1.63%
1,936,409
09/18/2026
294.25
297.73
293.00
295.64
-0.14%
3,187,663
09/17/2026
299.54
302.12
295.78
296.05
-1.50%
3,273,226
09/16/2026
303.40
304.06
298.48
300.57
-1.35%
3,194,574
09/15/2026
311.60
311.98
304.59
304.67
-2.21%
1,799,179
09/14/2026
308.08
312.39
305.92
311.54
+2.92%
2,879,319
09/11/2026
310.85
311.89
302.44
302.69
-1.65%
2,326,256
09/10/2026
304.97
310.04
304.20
307.77
+1.01%
2,449,272
09/09/2026
313.45
315.67
303.59
304.69
-3.51%
2,266,676
09/08/2026
316.78
321.57
314.95
315.79
-2.26%
1,926,595
09/04/2026
328.18
328.84
321.49
323.09
-1.20%
1,467,974
09/03/2026
332.00
336.45
325.68
327.00
-1.17%
1,465,068
09/02/2026
327.70
331.60
324.79
330.88
+1.40%
2,189,342
09/01/2026
321.42
328.52
312.92
326.30
+1.49%
2,423,281
08/31/2026
340.00
343.26
320.21
321.52
-9.53%
2,434,132
08/28/2026
350.96
358.71
349.76
355.40
+1.67%
669,145
08/27/2026
350.51
352.88
348.03
349.56
-1.25%
688,509
08/26/2026
354.63
356.46
353.19
353.98
-0.24%
594,170
08/25/2026
357.00
360.30
354.14
354.83
-1.19%
616,318
08/24/2026
358.52
361.73
356.50
359.10
+1.12%
627,237
08/21/2026
352.39
356.86
350.57
355.11
+0.90%
747,031
08/20/2026
348.90
356.12
346.32
351.93
+1.00%
733,330
08/19/2026
344.23
352.84
341.75
348.43
+1.52%
615,902
08/18/2026
343.20
350.13
343.03
343.20
-1.16%
921,485
08/17/2026
354.00
355.27
346.50
347.22
-2.42%
709,507
08/14/2026
357.08
359.98
353.78
355.83
-0.35%
704,464
08/13/2026
354.33
358.55
349.33
357.08
+1.34%
810,130
08/12/2026
354.00
355.91
349.99
352.36
-1.15%
628,493
08/11/2026
354.00
359.10
354.00
356.46
-0.14%
403,315
08/10/2026
357.71
359.53
355.00
356.97
-0.37%
705,261
08/07/2026
357.51
360.60
354.61
358.30
-0.68%
928,750
08/06/2026
362.95
364.99
356.84
360.75
+0.22%
1,140,040
08/05/2026
356.96
360.60
355.22
359.97
+0.93%
656,537
08/04/2026
353.37
357.09
350.23
356.65
-0.27%
1,433,515
08/03/2026
362.04
366.32
356.12
357.63
-0.58%
1,950,092
08/03/2026
$0.82 Dividend
07/31/2026
362.25
364.19
358.96
359.73
-1.64%
1,315,577
07/30/2026
366.35
369.65
357.67
365.74
-2.81%
4,227,661
07/29/2026
366.80
378.64
361.43
376.30
-1.08%
2,008,985
07/29/2026
$3.81 Earnings
07/28/2026
369.16
381.47
366.33
380.39
+3.84%
1,506,703
07/27/2026
361.21
368.91
358.98
366.33
+1.51%
1,590,496
07/24/2026
355.12
361.78
354.84
360.88
+1.66%
784,928
07/23/2026
351.79
354.98
350.03
354.97
+0.98%
1,178,108
07/22/2026
358.83
359.15
350.16
351.53
-1.97%
1,813,206
07/21/2026
358.26
362.17
353.99
358.58
-0.93%
1,371,175
07/20/2026
364.04
365.17
360.29
361.95
-1.21%
1,074,055
07/17/2026
369.16
375.06
364.80
366.37
-0.39%
1,445,578
07/16/2026
357.42
367.80
355.75
367.79
+3.80%
1,019,235
07/15/2026
356.71
359.47
349.66
354.34
-1.04%
1,193,568
07/14/2026
363.46
364.95
357.58
358.07
-2.30%
1,168,290
07/13/2026
359.30
366.74
359.30
366.51
+2.92%
1,511,745
07/10/2026
356.74
359.18
352.99
356.13
+0.39%
998,593
07/09/2026
354.17
356.69
352.30
354.75
-0.55%
602,030
07/08/2026
359.18
360.31
356.19
356.70
-0.64%
641,697
07/07/2026
359.18
365.62
356.25
359.00
+0.82%
830,189
07/06/2026
355.90
356.37
350.58
356.10
-0.15%
1,217,896
07/02/2026
345.62
356.73
343.42
356.65
+4.05%
1,182,852
07/01/2026
327.08
346.48
327.08
342.78
+3.58%
1,913,704
06/30/2026
326.33
333.00
321.52
330.94
+1.26%
1,588,715
06/29/2026
324.23
329.68
322.67
326.83
-0.34%
1,387,363
06/26/2026
318.99
329.61
316.10
327.94
+4.03%
5,288,370
06/25/2026
323.75
327.71
315.06
315.23
-2.93%
1,744,246
06/24/2026
321.86
327.49
318.49
324.74
+1.48%
2,362,208
06/23/2026
317.57
322.83
315.97
320.01
+2.27%
2,771,300
06/22/2026
315.79
319.02
312.91
312.92
-1.29%
2,131,285
06/18/2026
327.11
327.25
316.76
317.02
-2.74%
2,382,747
06/17/2026
326.28
334.03
324.26
325.95
-1.44%
1,750,952
06/16/2026
330.05
332.39
328.38
330.70
+0.59%
1,751,282
06/15/2026
335.94
337.44
327.23
328.76
-1.73%
1,405,761
06/12/2026
334.24
337.43
330.06
334.55
+0.04%
1,377,922
06/11/2026
333.63
339.33
333.63
334.41
-0.34%
1,430,207
06/10/2026
333.72
339.99
330.25
335.57
+1.43%
1,749,462
06/09/2026
324.13
332.31
320.82
330.84
+1.76%
1,955,870