Stocks · NYSE · Financial Services · United States
AJG — Arthur J. Gallagher & Co.
Arthur J. Gallagher & Co. (AJG) is a financial services stock listed on NYSE (United States). At the close of September 29, 2026 it traded at 227.75 (-0.75% on the day), -12.9% over one month, -4.7% over three months, -24.6% over twelve months. The InvestMuse composite score is +34 on a −100 to +100 scale, a bullish read that ranks #303 of about 1,221 assets. The strongest of its nine dimensions are Regime (hidden Markov model) (+60) and Technical indicators (+29); the weakest is Sector edge (-33). Its volatility regime from the hidden Markov model is Hot. 36 news articles in the last 30 days carried an average tone of +0.27 (on −1 to +1).
The facts
| Last close | 227.75 (September 29, 2026) |
|---|---|
| 1 day / 1 month / 3 months / 12 months | -0.75% / -12.9% / -4.7% / -24.6% |
| 52-week range | 190.85 – 306.87 |
| Composite score | +34 / 100 · bullish view · rank #303 |
| Volatility regime (HMM) | Hot |
| Trailing P/E | 37.9 |
| Market cap | $59.4B |
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)+60
- Technical indicators+29
- Trend-25
- Support / resistance0
- Fundamentals+19
- Sector edge-33
- News sentiment+28
- Momentum-4
- Chart patterns and zones-22
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.