APH Open Interest
Amphenol Corporation (APH) had 335.9K open option contracts as of Nov 4, 2026: 158.61K calls and 177.29K puts. Open interest rose 3.1% over the past four weeks. The put/call open interest ratio is 1.12, so puts outnumber calls.
Open Interest by Strike
Showing results for APH, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for APH, 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 APH, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for APH, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for APH, all expirations, calls & puts. View full history
APH 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 APH have?
Amphenol had 335.9K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 318.36K contracts.
Is APH open interest rising or falling?
Open interest rose 3.1% over the past four weeks. It was 325.85K contracts on Oct 7, 2026. See the APH open interest history for a longer view.
What is the APH put/call open interest ratio?
The Amphenol put/call open interest ratio was 1.12 as of Nov 4, 2026. Four weeks earlier it was 1.38.
What is Amphenol Corporation?
Amphenol is a global supplier of connectors, sensors, and interconnect systems.