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The best indicator for Arthur J. Gallagher & Co. (AJG)

We backtested 382 indicators across daily, weekly and hourly charts on real Arthur J. Gallagher & Co. (AJG) history. Here's what actually worked — risk-adjusted, out-of-sample, with costs.

Signaling FLAT right now — Ehlers Reflex (Daily) is out of the market. Signal as of 2026-09-10.
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Key levels · as of 2026-09-09

Where Arthur J. Gallagher & Co. (AJG) stands

244.28
last daily close (2026-09-09)
232.46
200-day simple moving average price 5.1% above
253.89
50-day simple moving average price 3.8% below
190.85–306.87
52-week range

Computed from our own daily OHLCV history, not quoted from a third party. Moving averages use closing prices; "52-week" is the last 252 trading sessions.

Momentum · Daily

Ehlers Reflex

On the daily chart, this is the strongest risk-adjusted edge we found for Arthur J. Gallagher & Co. (AJG) over ~42.0 years — trailing buy-and-hold by 3.5% CAGR.

11.5%
CAGR
0.72
Sharpe
-30.1%
Max DD
56.3%
Win rate
2.03
Profit factor
-3.5%
vs Buy&Hold
Chart

Arthur J. Gallagher & Co. (AJG) on the daily chart

The timeframe our backtest found best for this asset. The chart is live market data; the results above are hypothetical and historical.

Chart by TradingView. Loading it contacts tradingview.com, which may set its own cookies — see our privacy policy.

NOTHING BEAT BUY-AND-HOLD
Full strategy report — every setup ranked out-of-sample, corrected for data-mining, and forward-tracked in public.
Read the verdict
Confluence · Daily

Best multi-indicator combo

HalfTrendDonchian Breakout

Going long only when all 2 agree was the strongest confluence setup we found for Arthur J. Gallagher & Co. (AJG) — trailing buy-and-hold by 7.0% CAGR, out-of-sample. Fewer, higher-conviction trades than any single indicator.

8.0%
CAGR
0.6
Sharpe
47.0%
Win rate
215
Trades
-7.0%
vs Buy&Hold
Best by timeframe

The winner on each chart

Daily
Ehlers Reflex
-3.5% · Sharpe 0.72
Weekly
Chande-Kroll Stop (fast)
-3.8% · Sharpe 0.61
Full results

Every indicator, ranked

Ranked by Sharpe (risk-adjusted return). Hypothetical, fees included.

#IndicatorTFCAGRSharpeMax DDWinTradesvs B&H
1Ehlers Reflex Daily11.5%0.72-30.1%56.3%355-3.5%
2Volatility Stop (ATR) Daily12.0%0.72-58.3%46.1%304-3.0%
3Aroon Daily10.8%0.68-51.6%46.3%350-4.1%
4Aroon Oscillator Daily10.8%0.68-51.6%46.3%350-4.1%
5Supertrend (7,3) Daily11.1%0.68-50.4%48.8%160-3.9%
6Donchian 10 Break Daily11.1%0.68-57.8%47.2%212-3.8%
7Pivot Point SuperTrend Daily10.9%0.68-39.6%52.2%92-4.1%
8HalfTrend Daily10.7%0.66-51.9%44.0%309-4.3%
9Instantaneous Trendline Daily10.7%0.66-40.7%44.4%399-4.3%
10Half Trend Daily10.8%0.66-51.9%44.0%309-4.2%
11Supertrend Fast (10,2) Daily10.5%0.65-58.8%45.3%276-4.5%
12Williams Fractals Daily10.4%0.65-41.0%47.0%219-4.6%
13Supertrend (10,2) Daily10.5%0.65-58.8%45.3%276-4.5%
14Supertrend (10,3) Daily10.4%0.63-69.9%48.4%155-4.5%

= held up out-of-sample. Hypothetical, costs included. See methodology.

The leverage question

What it would take to beat buy & hold on Arthur J. Gallagher & Co. (AJG)

2 of 660 tested setups beat buy-and-hold on Arthur J. Gallagher & Co. (AJG) outright. Another 402 could get there with leverage they would survive — but 206 would be liquidated by their own drawdown before they caught it.

IndicatorBeats B&H unlevered Leverage neededLeverage survived
Williams %R (50)12.94×3.79×
McGinley Dynamic1none needed3.91×
Sine-Weighted MA1.94×3.94×
Awesome Oscillator1.28×3.25×
QQE1.32×2.18×
Even Better Sinewave1.33×3.45×

Out-of-sample, costs included. A setup is only listed if the leverage it needs is less than the leverage its own worst drawdown survives — when it isn't, no amount of leverage gets there. Volatility drag isn't modelled, so these are the optimistic case. Every indicator, ranked this way

What this means

For Arthur J. Gallagher & Co. (AJG), Ehlers Reflex on the daily timeframe gave the best balance of return and risk in our test. It still trailed buy-and-hold on raw return — but remember: this is a hypothetical backtest of a standard rule, not a recommendation. Markets change. See the methodology and disclaimer.

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