Axcelis Technologies Inc
Axcelis Technologies Inc (ACLS) Options Open Interest
ACLS options open interest is 5,894 contracts. The 2-week average daily volume is 207 contracts across the chain.
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Monitoring ACLS open interest helps you see where real money is positioned on Axcelis Technologies Inc's options and which strikes are attracting the most commitment from traders. Axcelis Technologies Inc's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor ACLS options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising ACLS options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect Axcelis Technologies Inc to settle.
Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia. The company offers high energy, high current, and medium current implanters for various application requirements. It also provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. It sells its equipment and services to semiconductor chip manufacturers through its direct sales force. The company was founded in 1978 and is headquartered in Beverly, Massachusetts.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where ACLS open interest is concentrated. Our scanner maps Axcelis Technologies Inc's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade Axcelis Technologies Inc's options open interest as the signal it is, not as an afterthought.
| 125.00 | 1.55 | 3.20 | 2.38 | 54% | +0.2655 | 115 |
| 110.00 | 7.10 | 9.70 | 8.40 | 57% | +0.6117 | 84 |
| 135.00 | 0.65 | 1.55 | 1.10 | 57% | +0.1372 | 76 |
| 115.00 | 5.10 | 7.00 | 6.05 | 58% | +0.4938 | 34 |
| 160.00 | — | 0.70 | 0.70 | 83% | +0.0700 | 26 |
| 95.00 | 0.10 | 1.85 | 0.98 | 59% | -0.1089 | 55 |
| 90.00 | 0.15 | 0.75 | 0.45 | 59% | -0.0570 | 53 |
| 80.00 | — | 0.20 | 0.20 | 71% | -0.0238 | 51 |
| 125.00 | 13.00 | 15.90 | 14.45 | 59% | -0.7096 | 37 |
| 115.00 | 6.30 | 9.20 | 7.75 | 59% | -0.5047 | 19 |
As of September 23, 2026
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