Axcelis Technologies, Inc. (ACLS) short interest & options flow
NASDAQAxcelis Technologies heads into late August with two signals quietly moving in the same direction — short sellers are adding exposure and options traders are leaning more defensive than they have been in weeks. The most notable shift this week is in positioning. Short interest climbed 8.4% on Tuesday alone and is now up 7.7% on the week, reaching 5.3% of the free float — a level…
- Market cap
- $3.06B
- Next earnings
- 10 Feb 2027
Key data as of 9 Nov 2026

ACLS news and analysis
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