O Open Interest
Realty Income Corporation (O) had 158.89K open option contracts as of Nov 4, 2026: 90.22K calls and 68.67K puts. Open interest fell 3.9% over the past four weeks. The put/call open interest ratio is 0.76, so calls outnumber puts.
Open Interest by Strike
Showing results for O, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for O, 2026-11-20(m), 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 O, 2026-11-20(m), calls & puts
O 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 O have?
Realty Income had 158.89K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 159.86K contracts.
Is O open interest rising or falling?
Open interest fell 3.9% over the past four weeks. It was 165.4K contracts on Oct 7, 2026. See the O open interest history for a longer view.
What is the O put/call open interest ratio?
The Realty Income put/call open interest ratio was 0.76 as of Nov 4, 2026. Four weeks earlier it was 0.62.
What is Realty Income Corporation?
Realty Income owns roughly 15,600 properties, most of which are freestanding, single-tenant, triple-net-leased retail properties.