COO Open Interest
The Cooper Companies Inc (COO) had 23.11K open option contracts as of Nov 4, 2026: 15.68K calls and 7.43K puts. Open interest rose 3.9% over the past four weeks, and is COO's highest level in 4 weeks. The put/call open interest ratio is 0.47, so calls outnumber puts.
Open Interest by Strike
Showing results for COO, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for COO, 2026-11-20(m), 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 COO, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for COO, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for COO, all expirations, calls & puts. View full history
COO 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 COO have?
Cooper Companies had 23.11K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 20.78K contracts.
Is COO open interest rising or falling?
Open interest rose 3.9% over the past four weeks, and is COO's highest level in 4 weeks. It was 22.24K contracts on Oct 7, 2026. See the COO open interest history for a longer view.
What is the COO put/call open interest ratio?
The Cooper Companies put/call open interest ratio was 0.47 as of Nov 4, 2026. Four weeks earlier it was 0.39.
What is The Cooper Companies Inc?
CooperCompanies is one of the largest eyecare companies in the US.