PH Open Interest
Parker-Hannifin Corporation (PH) had 9.85K open option contracts as of Nov 4, 2026: 5.12K calls and 4.73K puts. Open interest rose 17.3% over the past four weeks, and is PH's highest level in 8 weeks. The put/call open interest ratio is 0.92, so calls outnumber puts.
Open Interest by Strike
Showing results for PH, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for PH, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for PH, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for PH, 2026-11-20(m), calls & puts. View all expiries
PH 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 PH have?
Parker-Hannifin had 9.85K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 8.55K contracts.
Is PH open interest rising or falling?
Open interest rose 17.3% over the past four weeks, and is PH's highest level in 8 weeks. It was 8.39K contracts on Oct 7, 2026. See the PH open interest history for a longer view.
What is the PH put/call open interest ratio?
The Parker-Hannifin put/call open interest ratio was 0.92 as of Nov 4, 2026. Four weeks earlier it was 0.71.
What is Parker-Hannifin Corporation?
Parker Hannifin started out in 1917 as Parker Appliance, selling pneumatic brakes.