COHU Open Interest
Cohu Inc (COHU) had 20.12K open option contracts as of Nov 4, 2026: 16.44K calls and 3.69K puts. Open interest rose 36.1% over the past four weeks. The put/call open interest ratio is 0.22, so calls outnumber puts.
Open Interest by Strike
Showing results for COHU, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for COHU, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for COHU, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for COHU, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for COHU, all expirations, calls & puts. View full history
COHU 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 COHU have?
Cohu had 20.12K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 14.35K contracts.
Is COHU open interest rising or falling?
Open interest rose 36.1% over the past four weeks. It was 14.78K contracts on Oct 7, 2026. See the COHU open interest history for a longer view.
What is the COHU put/call open interest ratio?
The Cohu put/call open interest ratio was 0.22 as of Nov 4, 2026. Four weeks earlier it was 0.50.
What is Cohu Inc?
Cohu Inc is a supplier of semiconductor test and inspection handlers, micro-electro-mechanical system (MEMS) test modules, test contactors, and thermal sub-systems used by semiconductor manufacturers and test subcontractors.