What is the current MACD of AON?

As of today, AON MACD is -$0.63

What is the current MACD signal of AON?

As of today, AON MACD signal is $2.16

What is the current MACD histogram of AON?

As of today, AON MACD histogram is -$2.79

Aon Plc (AON) Stock MACD History & Chart Since 1980

MACD

-$0.63$1.09-234.95%

August 18, 2026

Summary

Current Value: As of today, AON MACD is -$0.63, down -234.95% on August 18, 2026
1-Month High: AON MACD is currently -105.94% below its 1-month high of $10.52 set on July 17, 2026
1-Year High: AON MACD is currently -105.94% below its 1-year high of $10.52 set on July 17, 2026
1-Month Low: AON MACD is at its 1-month low
1-Year Low: AON MACD is +92.25% above its 1-year low of -$8.06 reached on October 30, 2025

MACD Chart

Performance

AON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
MACD	Aug 18, 26	-$0.63	-234.9%	-105.9%	+64.4%	-128.4%	-124.0%	+79.2%	-106.5%
MACD Signal	Aug 18, 26	$2.16	-24.4%	-75.6%	+178.2%	+14.3%	+1.7%	+163.4%	-73.4%
MACD Histogram	Aug 18, 26	-$2.79	-16.4%	-268.6%	-376.1%	-993.8%	-685.4%	-786.0%	-297.4%
Price	Aug 18, 26	$343.20	-1.2%	-6.5%	+5.1%	-2.7%	-6.1%	+5.9%	+24.1%
14-Day RSI	Aug 18, 26	39.86	-6.5%	-39.0%	-29.9%	-23.7%	-26.0%	-19.8%	-43.4%
ATR	Aug 18, 26	$8.41	-1.2%	-10.3%	+4.2%	+64.7%	+24.5%	+42.5%	+77.5%
Beta	Aug 18, 26	-0.24	+7.7%	-26.3%	-580.0%	-175.0%	-161.5%	-132.9%	-131.6%
10-Day Volatility	Aug 18, 26	17.18%	+3.4%	-40.9%	-30.3%	+57.2%	+17.5%	-1.3%	+10.1%
50-Day SMA	Aug 18, 26	$348.91	+0.1%	+5.5%	+8.5%	+0.6%	-2.5%	+6.1%	+40.7%
20-Day SMA	Aug 18, 26	$359.25	-0.2%	+4.3%	+13.0%	+2.4%	-0.9%	+11.1%	+36.5%
50-Day EMA	Aug 18, 26	$349.63	-0.1%	+3.6%	+8.5%	-0.4%	-3.2%	+7.4%	+37.9%
20-Day EMA	Aug 18, 26	$355.58	-0.4%	+1.7%	+11.8%	+0.9%	-2.0%	+10.1%	+34.5%

MACD Highs

AON MACD Highs Comparison
Period	High	Date	Current
1M	$10.52	Jul 17, 26	-105.9%
3M	$10.52	Jul 17, 26	-105.9%
6M	$10.52	Jul 17, 26	-105.9%
1Y	$10.52	Jul 17, 26	-105.9%
3Y	$10.52	Jul 17, 26	-105.9%
5Y	$10.52	Jul 17, 26	-105.9%
All	$10.52	Jul 17, 26	-105.9%

MACD Lows

AON MACD Lows Comparison
Period	Low	Date	Current
1M	-$0.63	Aug 18, 26	at low
3M	-$1.76	May 18, 26	+64.4%
6M	-$6.86	Feb 18, 26	+90.9%
1Y	-$8.06	Oct 30, 25	+92.3%
3Y	-$10.47	Apr 29, 25	+94.0%
5Y	-$12.22	May 20, 22	+94.9%
All	-$18.71	Mar 23, 20	+96.7%

MACD History

Date	Value	Change
Aug 18, 2026	-$0.63	-128.4%
Dec 31, 2025	$2.20	+149.6%
Dec 31, 2024	-$4.44	+54.6%
Dec 31, 2023	-$9.79	-1,430.3%
Dec 31, 2022	$0.74	+150.4%
Dec 31, 2021	$0.29	-75.5%
Dec 31, 2020	$1.20	-46.4%
Dec 31, 2019	$2.23	+148.7%
Dec 31, 2018	-$4.59	-138.0%
Dec 31, 2017	-$1.93	-3,366.9%
Dec 31, 2016	-$0.06	+87.6%
Dec 31, 2015	-$0.45	-136.7%
Dec 31, 2014	$1.22	+50.4%
Dec 31, 2013	$0.81	+4,864.4%
Dec 31, 2012	$0.02	-93.8%
Dec 31, 2011	$0.27	-77.1%
Dec 31, 2010	$1.16	+1,085.9%
Dec 31, 2009	-$0.12	-113.7%
Dec 31, 2008	$0.86	+615.5%
Dec 31, 2007	$0.12	+670.5%
Dec 31, 2006	-$0.02	-111.7%
Dec 31, 2005	$0.18	-63.7%
Dec 31, 2004	$0.49	-1.9%
Dec 31, 2003	$0.50	+2,019.0%

Date	Value	Change
Dec 31, 2002	$0.02	+106.6%
Dec 31, 2001	-$0.36	-188.4%
Dec 31, 2000	$0.40	-66.7%
Dec 31, 1999	$1.21	+344.2%
Dec 31, 1998	-$0.50	-181.7%
Dec 31, 1997	$0.61	+21.2%
Dec 31, 1996	$0.50	+16.5%
Dec 31, 1995	$0.43	>+9,900.0%
Dec 31, 1994	$0.00	+101.3%
Dec 31, 1993	-$0.20	-181.1%
Dec 31, 1992	$0.25	+126.6%
Dec 31, 1991	$0.11	-7.0%
Dec 31, 1990	$0.12	-47.7%
Dec 31, 1989	$0.23	+1,527.9%
Dec 31, 1988	$0.01	+197.9%
Dec 31, 1987	$0.00	+105.0%
Dec 31, 1986	-$0.09	-201.0%
Dec 31, 1985	$0.09	+14.7%
Dec 31, 1984	$0.08	+149.8%
Dec 31, 1983	$0.03	+530.7%
Dec 31, 1982	-$0.01	-119.0%
Dec 31, 1981	$0.04	+874.5%
Dec 31, 1980	-$0.01	-

FAQ

What is the current MACD of AON?: As of today, AON MACD is -$0.63

MACD Formula

MACD = EMA(12) − EMA(26)

MACD Signal

$2.16$0.70-24.37%

August 18, 2026

Summary

Current Value: As of today, AON MACD signal is $2.16, down -24.37% on August 18, 2026
1-Month High: AON MACD signal is currently -76.63% below its 1-month high of $9.25 set on July 21, 2026
1-Year High: AON MACD signal is currently -76.63% below its 1-year high of $9.25 set on July 21, 2026
1-Month Low: AON MACD signal is at its 1-month low
1-Year Low: AON MACD signal is +134.68% above its 1-year low of -$6.23 reached on November 3, 2025

Performance

AON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
MACD Signal	Aug 18, 26	$2.16	-24.4%	-75.6%	+178.2%	+14.3%	+1.7%	+163.4%	-73.4%
MACD	Aug 18, 26	-$0.63	-234.9%	-105.9%	+64.4%	-128.4%	-124.0%	+79.2%	-106.5%
MACD Histogram	Aug 18, 26	-$2.79	-16.4%	-268.6%	-376.1%	-993.8%	-685.4%	-786.0%	-297.4%
Price	Aug 18, 26	$343.20	-1.2%	-6.5%	+5.1%	-2.7%	-6.1%	+5.9%	+24.1%
14-Day RSI	Aug 18, 26	39.86	-6.5%	-39.0%	-29.9%	-23.7%	-26.0%	-19.8%	-43.4%
ATR	Aug 18, 26	$8.41	-1.2%	-10.3%	+4.2%	+64.7%	+24.5%	+42.5%	+77.5%
Beta	Aug 18, 26	-0.24	+7.7%	-26.3%	-580.0%	-175.0%	-161.5%	-132.9%	-131.6%
10-Day Volatility	Aug 18, 26	17.18%	+3.4%	-40.9%	-30.3%	+57.2%	+17.5%	-1.3%	+10.1%
50-Day SMA	Aug 18, 26	$348.91	+0.1%	+5.5%	+8.5%	+0.6%	-2.5%	+6.1%	+40.7%
20-Day SMA	Aug 18, 26	$359.25	-0.2%	+4.3%	+13.0%	+2.4%	-0.9%	+11.1%	+36.5%
50-Day EMA	Aug 18, 26	$349.63	-0.1%	+3.6%	+8.5%	-0.4%	-3.2%	+7.4%	+37.9%
20-Day EMA	Aug 18, 26	$355.58	-0.4%	+1.7%	+11.8%	+0.9%	-2.0%	+10.1%	+34.5%

MACD Signal Highs

AON MACD Signal Highs Comparison
Period	High	Date	Current
1M	$9.25	Jul 21, 26	-76.6%
3M	$9.25	Jul 21, 26	-76.6%
6M	$9.25	Jul 21, 26	-76.6%
1Y	$9.25	Jul 21, 26	-76.6%
3Y	$9.25	Jul 21, 26	-76.6%
5Y	$9.37	Apr 11, 22	-76.9%
All	$9.37	Apr 11, 22	-76.9%

MACD Signal Lows

AON MACD Signal Lows Comparison
Period	Low	Date	Current
1M	$2.16	Aug 18, 26	at low
3M	-$2.76	May 18, 26	+178.2%
6M	-$6.10	Feb 24, 26	+135.4%
1Y	-$6.23	Nov 3, 25	+134.7%
3Y	-$8.85	May 5, 25	+124.4%
5Y	-$11.25	May 25, 22	+119.2%
All	-$15.07	Mar 26, 20	+114.3%

MACD Signal History

Date	Value	Change
Aug 18, 2026	$2.16	+14.4%
Dec 31, 2025	$1.89	+144.5%
Dec 31, 2024	-$4.25	+39.2%
Dec 31, 2023	-$6.99	-529.5%
Dec 31, 2022	$1.63	+341.1%
Dec 31, 2021	-$0.68	-149.4%
Dec 31, 2020	$1.37	-46.0%
Dec 31, 2019	$2.53	+167.8%
Dec 31, 2018	-$3.72	-111.2%
Dec 31, 2017	-$1.76	-1,443.0%
Dec 31, 2016	$0.13	+137.8%
Dec 31, 2015	-$0.35	-121.7%
Dec 31, 2014	$1.60	+90.8%
Dec 31, 2013	$0.84	+296.8%
Dec 31, 2012	$0.21	+162.5%
Dec 31, 2011	$0.08	-93.0%
Dec 31, 2010	$1.16	+564.7%
Dec 31, 2009	-$0.25	-142.7%
Dec 31, 2008	$0.58	+57.5%
Dec 31, 2007	$0.37	+167.2%
Dec 31, 2006	$0.14	-41.5%
Dec 31, 2005	$0.24	-44.3%
Dec 31, 2004	$0.42	+4.5%
Dec 31, 2003	$0.41	+702.0%

Date	Value	Change
Dec 31, 2002	$0.05	+109.7%
Dec 31, 2001	-$0.52	-1,510.2%
Dec 31, 2000	-$0.03	-103.5%
Dec 31, 1999	$0.92	+272.8%
Dec 31, 1998	-$0.53	-230.1%
Dec 31, 1997	$0.41	-22.3%
Dec 31, 1996	$0.52	-0.1%
Dec 31, 1995	$0.52	+1,642.6%
Dec 31, 1994	-$0.03	+87.5%
Dec 31, 1993	-$0.27	-233.9%
Dec 31, 1992	$0.20	+141.3%
Dec 31, 1991	$0.08	-48.1%
Dec 31, 1990	$0.16	-20.7%
Dec 31, 1989	$0.20	+822.3%
Dec 31, 1988	-$0.03	+26.9%
Dec 31, 1987	-$0.04	+11.4%
Dec 31, 1986	-$0.04	-141.2%
Dec 31, 1985	$0.11	+95.9%
Dec 31, 1984	$0.05	+322.7%
Dec 31, 1983	$0.01	+652.9%
Dec 31, 1982	$0.00	-94.2%
Dec 31, 1981	$0.03	+263.5%
Dec 31, 1980	-$0.02	-

FAQ

What is the current MACD signal of AON?: As of today, AON MACD signal is $2.16

MACD Signal Formula

Signal = EMA(9) of MACD

MACD Histogram

-$2.79$0.39-16.35%

August 18, 2026

Summary

Current Value: As of today, AON MACD histogram is -$2.79, down -16.35% on August 18, 2026
1-Month High: AON MACD histogram is currently -268.63% below its 1-month high of $1.65 set on July 17, 2026
1-Year High: AON MACD histogram is currently -172.45% below its 1-year high of $3.85 set on July 7, 2026
1-Month Low: AON MACD histogram is at its 1-month low
1-Year Low: AON MACD histogram is +13.83% above its 1-year low of -$3.23 reached on February 12, 2026

Performance

AON Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
MACD Histogram	Aug 18, 26	-$2.79	-16.4%	-268.6%	-376.1%	-993.8%	-685.4%	-786.0%	-297.4%
MACD	Aug 18, 26	-$0.63	-234.9%	-105.9%	+64.4%	-128.4%	-124.0%	+79.2%	-106.5%
MACD Signal	Aug 18, 26	$2.16	-24.4%	-75.6%	+178.2%	+14.3%	+1.7%	+163.4%	-73.4%
Price	Aug 18, 26	$343.20	-1.2%	-6.5%	+5.1%	-2.7%	-6.1%	+5.9%	+24.1%
14-Day RSI	Aug 18, 26	39.86	-6.5%	-39.0%	-29.9%	-23.7%	-26.0%	-19.8%	-43.4%
ATR	Aug 18, 26	$8.41	-1.2%	-10.3%	+4.2%	+64.7%	+24.5%	+42.5%	+77.5%
Beta	Aug 18, 26	-0.24	+7.7%	-26.3%	-580.0%	-175.0%	-161.5%	-132.9%	-131.6%
10-Day Volatility	Aug 18, 26	17.18%	+3.4%	-40.9%	-30.3%	+57.2%	+17.5%	-1.3%	+10.1%
50-Day SMA	Aug 18, 26	$348.91	+0.1%	+5.5%	+8.5%	+0.6%	-2.5%	+6.1%	+40.7%
20-Day SMA	Aug 18, 26	$359.25	-0.2%	+4.3%	+13.0%	+2.4%	-0.9%	+11.1%	+36.5%
50-Day EMA	Aug 18, 26	$349.63	-0.1%	+3.6%	+8.5%	-0.4%	-3.2%	+7.4%	+37.9%
20-Day EMA	Aug 18, 26	$355.58	-0.4%	+1.7%	+11.8%	+0.9%	-2.0%	+10.1%	+34.5%

MACD Histogram Highs

AON MACD Histogram Highs Comparison
Period	High	Date	Current
1M	$1.65	Jul 17, 26	-268.6%
3M	$3.85	Jul 7, 26	-172.4%
6M	$3.85	Jul 7, 26	-172.4%
1Y	$3.85	Jul 7, 26	-172.4%
3Y	$3.85	Jul 7, 26	-172.4%
5Y	$3.85	Jul 7, 26	-172.4%
All	$5.73	Apr 14, 20	-148.7%

MACD Histogram Lows

AON MACD Histogram Lows Comparison
Period	Low	Date	Current
1M	-$2.79	Aug 18, 26	at low
3M	-$2.79	Aug 18, 26	at low
6M	-$2.79	Aug 18, 26	at low
1Y	-$3.23	Feb 12, 26	+13.8%
3Y	-$4.19	Apr 8, 25	+33.5%
5Y	-$6.23	May 3, 22	+55.3%
All	-$6.23	May 3, 22	+55.3%

MACD Histogram History

Date	Value	Change
Aug 18, 2026	-$2.79	-993.7%
Dec 31, 2025	$0.31	+264.0%
Dec 31, 2024	-$0.19	+93.2%
Dec 31, 2023	-$2.80	-213.6%
Dec 31, 2022	-$0.89	-192.1%
Dec 31, 2021	$0.97	+675.6%
Dec 31, 2020	-$0.17	+42.8%
Dec 31, 2019	-$0.29	+65.9%
Dec 31, 2018	-$0.86	-425.8%
Dec 31, 2017	-$0.16	+12.1%
Dec 31, 2016	-$0.19	-88.2%
Dec 31, 2015	-$0.10	+74.3%
Dec 31, 2014	-$0.39	-1,137.2%
Dec 31, 2013	-$0.03	+84.0%
Dec 31, 2012	-$0.20	-206.1%
Dec 31, 2011	$0.18	+4,750.0%
Dec 31, 2010	$0.00	-97.1%
Dec 31, 2009	$0.13	-52.3%
Dec 31, 2008	$0.28	+210.1%
Dec 31, 2007	-$0.25	-56.8%
Dec 31, 2006	-$0.16	-175.6%
Dec 31, 2005	-$0.06	-185.1%
Dec 31, 2004	$0.07	-29.0%
Dec 31, 2003	$0.10	+454.1%

Date	Value	Change
Dec 31, 2002	-$0.03	-116.4%
Dec 31, 2001	$0.16	-62.2%
Dec 31, 2000	$0.44	+46.4%
Dec 31, 1999	$0.30	+803.0%
Dec 31, 1998	$0.03	-83.6%
Dec 31, 1997	$0.20	+1,000.9%
Dec 31, 1996	-$0.02	+76.3%
Dec 31, 1995	-$0.09	-356.6%
Dec 31, 1994	$0.04	-46.0%
Dec 31, 1993	$0.07	+40.1%
Dec 31, 1992	$0.05	+80.6%
Dec 31, 1991	$0.03	+162.6%
Dec 31, 1990	-$0.04	-282.1%
Dec 31, 1989	$0.02	-44.4%
Dec 31, 1988	$0.04	-2.5%
Dec 31, 1987	$0.04	+187.1%
Dec 31, 1986	-$0.05	-271.6%
Dec 31, 1985	-$0.01	-150.4%
Dec 31, 1984	$0.03	+36.4%
Dec 31, 1983	$0.02	+312.0%
Dec 31, 1982	-$0.01	-188.5%
Dec 31, 1981	$0.01	-18.1%
Dec 31, 1980	$0.01	-

FAQ

What is the current MACD histogram of AON?: As of today, AON MACD histogram is -$2.79

MACD Histogram Formula

Histogram = MACD − Signal

Data Sources & References

AON Official Website www.aon.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/315293/000162828026004273/0001628280-26-004273-index.htm
AON Profile on Yahoo Finance finance.yahoo.com/quote/AON
AON Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/aon