TER Unusual Option Activity
Teradyne Inc (TER) option volume on Nov 4, 2026 was 5.3% of open interest, below the 20-day average of 10.0%. Calls made up 48.2% of the volume.
TER Unusual Options FAQ
What makes option activity unusual?
Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.
Is TER seeing unusual options activity?
On Nov 4, 2026, Teradyne options traded 6.33K contracts against 119.22K open, a volume to open interest ratio of 0.05, below its 20-day average. The table above lists the contracts with the highest ratios.
Are TER traders trading more calls or puts?
Calls made up 48.2% of Teradyne option volume on Nov 4, 2026, a put/call ratio of 1.07, so puts outnumber calls. The TER option volume chart shows calls and puts by strike.
What is Teradyne Inc?
Teradyne provides testing equipment, including automated test equipment for semiconductors, system testing for hard disk drives, circuit boards, and electronics systems, and wireless testing for devices.