Stocks · NYSE · Financial Services · United States
AON — Aon Plc Class A
Aon Plc Class A (AON) is a financial services stock listed on NYSE (United States). At the close of September 29, 2026 it traded at 275.90 (+1.40% on the day), -14.2% over one month, -19.5% over three months, -21.8% over twelve months. The InvestMuse composite score is -20 on a −100 to +100 scale, a mixed read that ranks #856 of about 1,221 assets. The strongest of its nine dimensions are Sector edge (+53) and Fundamentals (+41); the weakest is Regime (hidden Markov model) (-95). Its volatility regime from the hidden Markov model is Hot. 39 news articles in the last 30 days carried an average tone of +0.09 (on −1 to +1).
The facts
| Last close | 275.90 (September 29, 2026) |
|---|---|
| 1 day / 1 month / 3 months / 12 months | +1.40% / -14.2% / -19.5% / -21.8% |
| 52-week range | 272.10 – 380.39 |
| Composite score | -20 / 100 · mixed view · rank #856 |
| Volatility regime (HMM) | Hot |
| Resistance levels | 195.00, 345.00 |
| Trailing P/E | 18.2 |
| Market cap | $71.2B |
The nine dimensions
Each dimension is scored from −100 to +100; the composite is their weighted blend. Composite of 9 dimensions; not a recommendation.
- Regime (hidden Markov model)-95
- Technical indicators+32
- Trend-44
- Support / resistance0
- Fundamentals+41
- Sector edge+53
- News sentiment+11
- Momentum-43
- Chart patterns and zones+23
How this read is made
Every night InvestMuse scores about 1,221 stocks, crypto assets, currencies, commodities and indices on nine dimensions: a hidden Markov model regime, technical indicators, trend, support and resistance from price clustering, fundamentals, the gap to sector peers, news sentiment, momentum, and chart patterns with demand/supply zones and Fibonacci levels. Members race each other with $100,000 of play money, against five fictional fund managers and the InvestMuse algorithm.
Data as of September 29, 2026. Observations from public market data — not investment advice, not a recommendation to buy or sell.