TER Open Interest
Teradyne Inc (TER) had 119.22K open option contracts as of Nov 4, 2026: 47.77K calls and 71.45K puts. Open interest rose 24.8% over the past four weeks, and is TER's highest level in 12 weeks. The put/call open interest ratio is 1.50, so puts outnumber calls.
Open Interest by Strike
Showing results for TER, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for TER, 2026-11-06(w), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for TER, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for TER, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for TER, all expirations, calls & puts. View full history
TER Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does TER have?
Teradyne had 119.22K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 101.47K contracts.
Is TER open interest rising or falling?
Open interest rose 24.8% over the past four weeks, and is TER's highest level in 12 weeks. It was 95.52K contracts on Oct 7, 2026. See the TER open interest history for a longer view.
What is the TER put/call open interest ratio?
The Teradyne put/call open interest ratio was 1.50 as of Nov 4, 2026. Four weeks earlier it was 1.53.