Daily trading records

Aon Historical Stock Prices by Trading Day

Direct answer

Review 60 recent trading days for Aon.

The verified trading-day record runs from June 12, 2026 through September 8, 2026.
Select a date to review its open, high, low, close, volume and change from the prior session.
Daily aggregate prices are provided by Polygon.

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Review Aon's price trend and period performance.

The chart connects verified session closes from June 11, 2026 through September 8, 2026.

Closing-price trend by trading session

Period performance is calculated from verified trading sessions.

5-session performance

-1.78%

From the August 31, 2026 close of $321.52 to $315.79 on September 8, 2026.

20-session performance

-11.54%

From the August 10, 2026 close of $356.97 to $315.79 on September 8, 2026.

60-session performance

-5.78%

From the June 11, 2026 close of $335.17 to $315.79 on September 8, 2026.

Aon Historical prices
Historical pricesOpenHighLowCloseVolumePrior-close change
$316.78$321.57$314.95$315.791,926,596-$7.30 (-2.26%)
$328.18$328.84$321.49$323.091,467,974-$3.91 (-1.20%)
$332.00$336.45$325.6775$327.001,465,067-$3.88 (-1.17%)
$327.70$331.60$324.7925$330.882,189,341+$4.58 (+1.40%)
$321.415$328.52$312.92$326.302,423,281+$4.78 (+1.49%)
$340.00$343.26$320.21$321.522,434,130-$33.88 (-9.53%)
$350.96$358.7119$349.76$355.40669,145+$5.84 (+1.67%)
$350.51$352.88$348.03$349.56688,509-$4.42 (-1.25%)
$354.63$356.455$353.19$353.98594,170-$0.85 (-0.24%)
$357.00$360.30$354.14$354.83616,317-$4.27 (-1.19%)
$358.52$361.725$356.495$359.10627,236+$3.99 (+1.12%)
$352.39$356.86$350.565$355.11747,031+$3.18 (+0.90%)
$348.90$356.12$346.32$351.93733,329+$3.50 (+1.00%)
$344.23$352.84$341.75$348.43615,901+$5.23 (+1.52%)
$343.20$350.13$343.03$343.20921,484-$4.02 (-1.16%)
$354.00$355.27$346.50$347.22709,507-$8.61 (-2.42%)
$357.08$359.98$353.78$355.83704,464-$1.25 (-0.35%)
$354.33$358.55$349.33$357.08810,129+$4.72 (+1.34%)
$354.00$355.91$349.99$352.36625,983-$4.10 (-1.15%)
$354.00$359.10$354.00$356.46403,314-$0.51 (-0.14%)
$357.705$359.53$354.995$356.97705,261-$1.33 (-0.37%)
$357.51$360.60$354.61$358.30928,749-$2.45 (-0.68%)
$362.95$364.99$356.84$360.751,140,040+$0.78 (+0.22%)
$356.96$360.595$355.22$359.97657,211+$3.32 (+0.93%)
$353.37$357.09$350.23$356.651,433,513-$0.98 (-0.27%)
$362.04$366.32$356.1214$357.631,950,092-$2.92 (-0.81%)
$363.075$365.02$359.78$360.551,315,957-$6.02 (-1.64%)
$367.19$370.49$358.49$366.574,227,740-$10.59 (-2.81%)
$367.64$379.50$362.255$377.162,010,626-$4.10 (-1.08%)
$370.00$382.34$367.17$381.261,508,086+$14.09 (+3.84%)
$362.03$369.75$359.80$367.171,590,514+$5.47 (+1.51%)
$355.93$362.605$355.65$361.70784,967+$5.92 (+1.66%)
$352.59$355.79$350.83$355.781,178,107+$3.45 (+0.98%)
$359.65$359.97$350.96$352.331,813,205-$7.07 (-1.97%)
$359.08$362.995$354.80$359.401,371,175-$3.38 (-0.93%)
$364.87$366.00$361.11$362.781,074,055-$4.43 (-1.21%)
$370.00$375.915$365.63$367.211,445,576-$1.42 (-0.39%)
$358.23$368.64$356.5601$368.631,017,911+$13.48 (+3.80%)
$357.52$360.29$350.455$355.151,193,568-$3.74 (-1.04%)
$364.29$365.78$358.40$358.891,168,290-$8.46 (-2.30%)
$360.12$367.58$360.12$367.351,511,744+$10.41 (+2.92%)
$357.55$360.00$353.79$356.94998,594+$1.38 (+0.39%)
$354.98$357.4999$353.10$355.56602,032-$1.95 (-0.55%)
$360.00$361.13$357.0049$357.51641,696-$2.31 (-0.64%)
$360.00$366.45$357.065$359.82830,188+$2.91 (+0.82%)
$356.71$357.18$351.3821$356.911,217,996-$0.55 (-0.15%)
$346.41$357.54$344.20$357.461,182,971+$13.90 (+4.05%)
$327.83$347.27$327.83$343.561,913,704+$11.87 (+3.58%)
$327.07$333.755$322.2568$331.691,588,789+$4.12 (+1.26%)
$324.97$330.43$323.41$327.571,387,364-$1.12 (-0.34%)
$319.72$330.36$316.82$328.695,288,369+$12.74 (+4.03%)
$324.49$328.455$315.78$315.951,744,245-$9.53 (-2.93%)
$322.59$328.24$319.22$325.482,362,208+$4.74 (+1.48%)
$318.29$323.57$316.69$320.742,626,904+$7.11 (+2.27%)
$316.51$319.745$313.62$313.632,131,285-$4.11 (-1.29%)
$327.86$328.00$317.48$317.742,382,855-$8.95 (-2.74%)
$327.02$334.79$325.00$326.691,751,081-$4.76 (-1.44%)
$330.80$333.15$329.13$331.451,751,363+$1.94 (+0.59%)
$336.71$338.21$327.98$329.511,405,759-$5.80 (-1.73%)
$335.00$338.20$330.81$335.311,377,924+$0.14 (+0.04%)

Verified data

Trading days shown
60
Coverage start
June 12, 2026
Coverage end
September 8, 2026
Display currency
USD
Market data provider
Polygon

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Read the frequently asked questions.

What is Aon's latest verified closing price?

Aon closed at $315.79 on September 8, 2026.

What period does Aon's price history cover?

The page shows 60 verified sessions from June 12, 2026 through September 8, 2026.

What data is included in Aon's daily price history?

Each row includes the open, high, low, close, volume and change from the prior close.

Does Aon's price history include market holidays?

The table contains only verified trading sessions and does not create prices for market holidays.

What is the source for Aon's daily prices?

Daily aggregate prices are provided by Polygon.