Aon plc (AON)
NYSE: AON · Real-Time Price · USD
341.35
-1.75 (-0.51%)
Oct 23, 2025, 4:00 PM EDT - Market closed

Aon plc Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 23, 2025343.00343.40338.25341.35341.35-0.51%1,238,241
Oct 22, 2025343.32344.29340.51343.10343.10-0.10%1,189,537
Oct 21, 2025343.80346.37342.18343.43343.43-0.20%981,539
Oct 20, 2025347.22347.22341.40344.11344.11-0.72%935,111
Oct 17, 2025344.07348.31344.06346.60346.601.01%2,057,521
Oct 16, 2025348.92349.04337.92343.12343.12-3.56%1,820,374
Oct 15, 2025357.49359.97353.93355.80355.80-1.31%1,094,688
Oct 14, 2025353.78360.82352.40360.51360.512.02%845,702
Oct 13, 2025357.11359.56351.87353.36353.36-1.89%728,750
Oct 10, 2025362.26363.29359.18360.15360.15-0.07%628,080
Oct 9, 2025365.60367.25359.92360.42360.42-1.36%692,525
Oct 8, 2025366.49370.31364.94365.38365.38-0.42%1,114,354
Oct 7, 2025366.25369.68364.33366.93366.930.34%852,908
Oct 6, 2025364.07367.00362.12365.70365.700.52%1,109,165
Oct 3, 2025359.95365.98359.49363.81363.810.85%666,880
Oct 2, 2025357.47362.23354.61360.73360.730.17%621,276
Oct 1, 2025355.15360.14353.31360.13360.131.00%1,444,867
Sep 30, 2025354.52357.01351.80356.58356.580.55%1,022,835
Sep 29, 2025355.01356.62352.56354.62354.62-0.41%1,059,568
Sep 26, 2025354.17358.99351.49356.08356.081.26%824,595
Sep 25, 2025355.46356.74349.15351.64351.64-0.59%1,291,128
Sep 24, 2025352.84356.28352.50353.74353.740.19%981,312
Sep 23, 2025353.40356.58349.33353.07353.07-0.11%1,761,201
Sep 22, 2025350.56355.21349.21353.46353.460.61%1,275,903
Sep 19, 2025354.19355.40348.64351.32351.32-0.41%3,728,789
Sep 18, 2025355.64357.83352.69352.76352.76-1.46%1,392,958
Sep 17, 2025357.97361.24355.22358.00358.000.40%1,426,892
Sep 16, 2025361.26362.76356.15356.57356.57-1.99%1,351,555
Sep 15, 2025371.90373.60363.20363.80363.80-2.19%933,789
Sep 12, 2025371.56374.05369.81371.95371.95-0.08%844,377
Sep 11, 2025366.09372.39364.79372.25372.252.73%1,614,304
Sep 10, 2025364.78365.36361.08362.37362.37-1.09%798,913
Sep 9, 2025369.93370.48365.86366.38366.38-0.98%1,019,889
Sep 8, 2025370.54370.54365.47370.01370.01-0.14%1,043,504
Sep 5, 2025372.91375.64368.04370.54370.54-0.79%788,992
Sep 4, 2025375.48375.87370.85373.49373.49-0.14%751,288
Sep 3, 2025372.68375.00368.27374.00374.000.55%1,170,124
Sep 2, 2025367.63372.75365.96371.96371.961.35%1,285,559
Aug 29, 2025367.85368.56365.79367.00367.000.13%774,627
Aug 28, 2025367.77368.04364.03366.54366.54-0.50%711,245
Aug 27, 2025369.90371.09368.02368.37368.37-0.17%931,628
Aug 26, 2025369.14371.11367.02369.00369.00-0.52%1,449,861
Aug 25, 2025374.11376.69370.73370.94370.94-1.11%1,025,887
Aug 22, 2025377.45378.70373.85375.10375.10-0.05%1,190,563
Aug 21, 2025372.50375.77371.17375.27375.270.34%1,126,172
Aug 20, 2025373.93378.68372.72374.00374.000.31%1,104,953
Aug 19, 2025367.09373.36366.24372.86372.862.05%1,111,163
Aug 18, 2025366.08369.78365.21365.37365.37-0.45%1,323,892
Aug 15, 2025367.20370.70365.21367.01367.010.18%1,181,068
Aug 14, 2025371.04372.04365.14366.35366.35-1.23%1,292,984