CAH Open Interest
Cardinal Health Inc (CAH) had 30.85K open option contracts as of Nov 4, 2026: 17.91K calls and 12.95K puts. Open interest fell 4.3% over the past four weeks. The put/call open interest ratio is 0.72, so calls outnumber puts.
Open Interest by Strike
Showing results for CAH, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for CAH, 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 CAH, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for CAH, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for CAH, all expirations, calls & puts. View full history
CAH 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 CAH have?
Cardinal Health had 30.85K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 31.46K contracts.
Is CAH open interest rising or falling?
Open interest fell 4.3% over the past four weeks. It was 32.24K contracts on Oct 7, 2026. See the CAH open interest history for a longer view.
What is the CAH put/call open interest ratio?
The Cardinal Health put/call open interest ratio was 0.72 as of Nov 4, 2026. Four weeks earlier it was 0.63.
What is Cardinal Health Inc?
Cardinal Health is one of three leading pharmaceutical wholesalers in the US, engaged in sourcing and distributing of branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospital networks, and healthcare providers.