Arthur J. Gallagher & Company (AJG) Daily/Weekly Backtest Results

Buy indicator: 52 Week Low 26 Week Low 50 day low Rate of Change Super Oversold Mega Dump MegaDump Lite
Williams %R (Weekly) Large Gap Down Super Oversold from 52W/RoC/MD Best Buy Signals [ What are these indicators? | Switch to AJG's monthly backtests ]
Fixed profit target: 5% 6% 7.5% 10% 20% -or- Use trailing stop losses.
Show signal scores help.
Expectancy: 28.86%. Win rate: 71.43%. Sharpe Ratio: 0.335.
Mean CAGR of winning trades: 22.5%. Time in market: 2692 days. Average win: 43.84% Average loss: -8.61%.
Key: change_history : profitable trade change_history : breakeven trade (minimal loss after 2 years) change_history : losing trade (not profitable in a 2 year timeframe)

*Transaction costs, taxes and dividends are excluded from these calculations. Past performance may not necessarily be a reliable guide to future performance.

Calculations for Arthur J. Gallagher

Expectancy is the percentage profit or loss you would expect to make on the next purchase of this stock with an entry point at the specified signal and profit target as set above. Given a large enough sample size, a positive expectancy indicates the trading strategy is likely to be profitable.

Expectancy calculation for 7 signal(s): (71.43% * 43.84%) - (28.57% * 8.61%) = 28.86%.
Wins: 5 Losses: 2

The Sharpe Ratio calculation assumes a risk free return rate of 2% per calendar year. Ideally the ratio should be a positive number. A higher positive number indicates the strategy has a more attractive risk adjusted rate of return for this particular buy signal and stock over the chart's timeframe.

Arthur J. Gallagher Analysis

Market sector: Financials.

External links: Seeking Alpha Research, Zacks Research.

These links may show useful information about why a stock's price has fallen significantly.

Rate of Change Backtest Summary (Trailing Stops System)

This table summarises how profitable it would have been to have bought this stock at each Rate of Change entry signal and held until the initial 20% stop loss or the trailing stop loss was triggered.

Key: electric_bolt : high CAGR trade schedule : open trade

Signal Date	Price	CAGR	Profit / Loss	Running Avg
25 March 2020 bubble_chart HIGH smart_toy0.982	$76.33	48.12% electric_boltelectric_bolt	104.35%	104.35 %
24 January 2022 MEDIUM	$154.91	-2.14%	-0.81%	51.77 %
13 May 2022 LOW smart_toy0.984	$160.33	24.78% electric_bolt	76.98%	60.17 %
26 December 2023 LOW	$222.22	20.27% electric_bolt	34.16%	53.67 %
23 December 2024 bubble_chart MEDIUM	$283.09	3.20%	1.91%	43.32 %
05 November 2025 bubble_chart MEDIUM	$249.47	-48.72%	-16.42%	33.36 %
17 February 2026 bubble_chart MEDIUM	$213.13	16.14% electric_bolt	schedule 1.82%	28.85 %

The data for Arthur J. Gallagher & Company (exchange: XNYS symbol: AJG) was last updated 10 Apr 2026 04:49. Data for this stock is available from 01 Mar 2016 - 09 Apr 2026.