CNO Open Interest
CNO Financial Group Inc (CNO) had 1.13K open option contracts as of Nov 4, 2026: 1.06K calls and 69 puts. Open interest rose 84.9% over the past four weeks. The put/call open interest ratio is 0.07, so calls outnumber puts.
Open Interest by Strike
Showing results for CNO, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for CNO, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for CNO, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for CNO, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for CNO, all expirations, calls & puts. View full history
CNO 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 CNO have?
CNO Financial had 1.13K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 638 contracts.
Is CNO open interest rising or falling?
Open interest rose 84.9% over the past four weeks. It was 610 contracts on Oct 7, 2026. See the CNO open interest history for a longer view.
What is the CNO put/call open interest ratio?
The CNO Financial put/call open interest ratio was 0.07 as of Nov 4, 2026. Four weeks earlier it was 0.23.