Axcelis Technologies (ACLS) technicals and short interest
Axcelis Technologies closed at $147.77 on Oct 2, 2026, in an uptrend. It trades +19.2% against its 50-day average ($123.98) and +23.2% against its 200-day average ($119.90). RSI(14): 74, stretched to the upside. 52-week range: $73.60 to $193.78, 23.7% below the high. Short interest reported to FINRA: 1.4M shares sold short at the Sep 15, 2026 settlement, 4.6% of the shares outstanding, 4.5 days to cover (-11.7% since Aug 31, 2026); published on Sep 24, 2026. Source: FINRA.
- Last close
- $147.77 (2026-10-02)
- RSI (14)
- 74
- 50-day average
- $123.98
- 200-day average
- $119.90
- Volatility (ATR)
- 3.9%
- Short interest
- 1.4M shares, 4.6% of shares (2026-09-15)
- Days to cover
- 4.5