Onto Innovation Inc

ONTONYSE · USD
275.98USD0.00 (+4.77%)
3910

Onto Innovation Inc (ONTO) Options Open Interest

ONTO options open interest is 10,713 contracts. The 2-week average daily volume is 888 contracts across the chain.

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Monitoring ONTO open interest helps you see where real money is positioned on Onto Innovation Inc's options and which strikes are attracting the most commitment from traders. Onto Innovation 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 ONTO 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 ONTO 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 Onto Innovation Inc to settle.

Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that performs macro defect inspection and 2D/3D optical metrology, lithography systems, and process control analytical software worldwide. It offers process and yield management solutions, and device packaging and test facilities through standalone systems for macro-defect inspection, packaging lithography, probe card test and analysis, and transparent and opaque thin film measurements; and process control software portfolio that includes solutions for standalone tools, groups of tools, and enterprise-or factory-wide suites.

The company also provides spare parts and software licensing services. Its products are used by semiconductor and advanced packaging device manufacturers; silicon wafer; light emitting diode; vertical-cavity surface-emitting laser; micro-electromechanical system; CMOS image sensor; power device; RF filter; data storage; and various industrial and scientific applications. The company was formerly known as Rudolph Technologies, Inc. Onto Innovation Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where ONTO open interest is concentrated. Our scanner maps Onto Innovation 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 Onto Innovation Inc's options open interest as the signal it is, not as an afterthought.

2026-10-16
Calls
330.001.403.702.5565%+0.1202422
320.003.004.003.5064%+0.156777
300.005.808.807.3067%+0.271840
250.0026.0028.9027.4570%+0.649639
310.004.006.605.3066%+0.213332
Puts
200.000.902.551.7373%-0.068385
280.0026.0028.2027.1062%-0.603276
220.002.904.703.8068%-0.140269
210.001.253.802.5370%-0.097847
230.004.806.905.8567%-0.198546

As of September 21, 2026

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