ORI Open Interest
Old Republic International Corporation (ORI) had 3.77K open option contracts as of Nov 4, 2026: 2.31K calls and 1.46K puts. Open interest rose 73.0% over the past four weeks. The put/call open interest ratio is 0.63, so calls outnumber puts.
Open Interest by Strike
Showing results for ORI, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ORI, 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 ORI, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ORI, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ORI, all expirations, calls & puts. View full history
ORI 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 ORI have?
Old Republic International had 3.77K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 2.9K contracts.
Is ORI open interest rising or falling?
Open interest rose 73.0% over the past four weeks. It was 2.18K contracts on Oct 7, 2026. See the ORI open interest history for a longer view.
What is the ORI put/call open interest ratio?
The Old Republic International put/call open interest ratio was 0.63 as of Nov 4, 2026. Four weeks earlier it was 0.25.
What is Old Republic International Corporation?
Old Republic International Corp is engaged in the business of insurance underwriting and related services.