ACLS
Axcelis Technologies, Inc.When ACLS passed all Ten ChecksAxcelis Technologies, Inc.
history · not a forecastOver the past 10 years, ACLS has passed all Ten Checks on 11 separate days. Here is how it moved over the 20 trading sessions that followed — how far it rose, and how far it fell.
The strongest of them rose +38.1% in Dec 2020, peaked day 15.
- May 2024+22.4% -3.5%
- Sep 2021+2.2% -9.2%
- Jun 2021+0.6% -8.1%
Peak and dip mark the highest and lowest closing prices over those 20 sessions; the intraday swings ran wider still, and neither figure is a return you could have captured by buying and selling at the perfect moment. These are historical readings from the past 10 years, drawn only from the US-listed stocks the site covers today — a record of what happened, not a prediction of what will, and not investment advice.
6-month history — checks vs. price
Price on the left axis; checks passing (0–10) on the right.
Common questions about ACLS’s checks
How many technical checks does ACLS pass right now?
As of the Aug 13, 2026 close, ACLS passes 7 of 10 fixed technical checks — the checks not passing: long-term trend rising, no recent earnings miss, outperforming the market.
Why does ACLS fail the "outperforming the market" check?
ACLS has trailed the S&P 500 by 1.0 percentage points over the last 20 sessions, so the relative-strength check fails. It passes once ACLS leads the index again.
What price would change ACLS's check count?
The nearest flip level is "adequate stop room" fails on a close below $141.73. Each price-anchored check has an exact next-close level, shown in the Flip levels panel above.
Factual measurements from the latest scan — not investment advice.