Axcelis Technologies Inc (ACLS) Daily/Weekly Backtest Results

Signal:                
                   
              [ What are these? | Switch to ACLS's monthly backtests ]
Fixed profit target:               -or-  
Show signal scores:       Scores:           Market sector score:       [ What are these scores? ]
Expectancy: 7.17%.   Win rate: 86.67%.   Sharpe Ratio: -0.449.   Maximum drawdown: -65.63% on 04 April 2025.
Mean CAGR: 166.13%. Time in market: 1926 days.   Hypothetical return: $1000 would be worth $1929.80 on 20 April 2026.
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 Axcelis Technologies

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 15 signal(s) occurring before 04 August 2024 for a 7.5% profit target: (86.67% * 9.63%) + (6.67% * 1.56%) - (6.67% * 19.21%) = 7.17%.
Wins: 13 Breakevens: 1 Losses: 1

To even out CAGR calculations, large individual returns from particularly quick trades have been capped at 300%.

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.

Axcelis Technologies Analysis

Market sector: Technology.

External links: Seeking Alpha Research, Zacks Research.

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

Most Recent Buy Signals
Date Signal Type Scores Performance
Signal Sector WR Speed Risk Overall 5% 6% 7.5%
11 August 2026 Mega Dump 94 78 95 93 62 95 schedule schedule schedule
10 August 2026  bubble_chart Mega Dump Lite 77 79 95 93 62 85 schedule schedule schedule
10 August 2026  bubble_chart Gap Down 72 79 95 93 62 82 schedule schedule schedule
05 August 2026  bubble_chart Gap Up 92 79 95 93 62 94 schedule schedule schedule
03 August 2026  bubble_chart Gap Up 87 83 95 93 62 93 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt
31 July 2026  bubble_chart Gap Up 88 81 95 93 62 93 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt schedule
28 July 2026  bubble_chart Williams %R (Weekly) 50 88 95 92 62 69 schedule schedule schedule
28 July 2026  bubble_chart Super Oversold (MD) 73 88 95 92 62 85 schedule schedule schedule
22 July 2026  bubble_chart Gap Up 88 83 95 92 65 93 schedule schedule schedule
15 July 2026  bubble_chart Gap Up 90 82 95 93 67 94 schedule schedule schedule

Mega Dump Backtest Summary (Fixed Profits System)

This table summarises how profitable it would have been to have bought this stock at each Mega Dump entry signal. Hover over the icons to see more details of the particular trade, including the maximum percentage drawdown and how long it took to reach the desired percentage profit.

Key:   disabled_by_default = profit point not achieved. select_check_box = profit point achieved with CAGR above 15%.
select_check_box = profit point achieved with CAGR of between 5% and 15%. select_check_box = profit point achieved but CAGR was less than 5%.

Date Buy Signal Price Scores Performance (mouseover for details)
Signal Sector WR Speed Risk Overall 5% 6% 7.5% 10% 20%
11 August 2026 Mega Dump $ 136.05 94 78 95 93 62 95 schedule schedule schedule schedule schedule
10 July 2026  bubble_chart Mega Dump $ 141.34 95 88 95 93 67 99 schedule schedule schedule schedule schedule
13 May 2025 Mega Dump $ 62.58 90 82 100 81 75 92 select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt
09 April 2025 Mega Dump $ 45.89 97 91 100 77 74 99 select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt
21 November 2024 Mega Dump $ 72.56 85 90 94 78 70 92 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box select_check_box select_check_box electric_bolt
04 September 2024 Mega Dump $ 99.97 92 81 95 73 74 92 select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box select_check_box
31 July 2024 Mega Dump $ 124.32 83 87 95 69 73 89 select_check_box select_check_box select_check_box select_check_box select_check_box
03 November 2023  bubble_chart Mega Dump $ 129.79 76 88 94 73 82 84 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_bolt select_check_box disabled_by_default
25 October 2022 Mega Dump $ 56.81 90 88 82 80 56 96 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt
21 September 2022 Mega Dump $ 61.26 92 94 82 77 55 98 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt
17 May 2022  bubble_chart Mega Dump $ 59.62 98 88 80 85 60 100 select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_bolt select_check_box electric_bolt select_check_box electric_boltelectric_bolt
14 April 2022  bubble_chart Mega Dump $ 57.46 46 94 81 85 61 67 select_check_box electric_bolt select_check_box electric_bolt select_check_box electric_bolt select_check_box electric_bolt select_check_box electric_bolt
26 January 2022  bubble_chart Mega Dump $ 62.09 59 91 82 76 58 75 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_bolt
27 April 2020 Mega Dump $ 22.52 81 92 72 91 62 92 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt
24 March 2020  bubble_chart Mega Dump $ 16.88 97 97 80 91 73 100 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt
18 June 2019 Mega Dump $ 14.48 79 85 100 99 98 88 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt
16 May 2019 Mega Dump $ 17.00 76 83 100 99 98 85 select_check_box select_check_box select_check_box electric_bolt select_check_box electric_bolt select_check_box electric_bolt
27 December 2018  bubble_chart Mega Dump $ 16.67 98 97 100 97 98 100 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt
22 August 2018  bubble_chart Mega Dump $ 19.60 85 79 100 95 94 89 select_check_box select_check_box select_check_box select_check_box electric_bolt select_check_box
15 December 2017  bubble_chart Mega Dump $ 29.25 17 86 select_check_box electric_boltelectric_bolt select_check_box electric_boltelectric_bolt disabled_by_default disabled_by_default disabled_by_default
20 May 2016 Mega Dump $ 9.48 89 89 select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_boltelectric_bolt select_check_box electric_boltelectric_bolt

 

The data for Axcelis Technologies Inc (exchange: XNAS symbol: ACLS) was last updated 12 Aug 2026 03:32. Data for this stock is available from 01 Apr 2016 - 11 Aug 2026.