CNC Open Interest
Centene Corporation (CNC) had 270.82K open option contracts as of Nov 4, 2026: 152.16K calls and 118.66K puts. Open interest rose 8.5% over the past four weeks, and is CNC's highest level in 4 weeks. The put/call open interest ratio is 0.78, so calls outnumber puts.
Open Interest by Strike
Showing results for CNC, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for CNC, 2026-11-06(w), calls & puts
| Call Open Interest Total | |
|---|---|
| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for CNC, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for CNC, 2026-11-06(w), calls & puts. View all expiries
Open Interest History
Showing daily totals for CNC, all expirations, calls & puts. View full history
CNC 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 CNC have?
Centene had 270.82K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 237.92K contracts.
Is CNC open interest rising or falling?
Open interest rose 8.5% over the past four weeks, and is CNC's highest level in 4 weeks. It was 249.57K contracts on Oct 7, 2026. See the CNC open interest history for a longer view.
What is the CNC put/call open interest ratio?
The Centene put/call open interest ratio was 0.78 as of Nov 4, 2026. Four weeks earlier it was 0.45.
What is Centene Corporation?
Centene is a managed care organization that focuses on government-sponsored healthcare plans, including Medicaid, Medicare, and the individual exchanges.