MORN Open Interest
Morningstar Inc (MORN) had 849 open option contracts as of Nov 4, 2026: 289 calls and 560 puts. Open interest fell 10.0% over the past four weeks. The put/call open interest ratio is 1.94, so puts outnumber calls.
Open Interest by Strike
Showing results for MORN, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MORN, 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 MORN, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MORN, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MORN, all expirations, calls & puts. View full history
MORN 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 MORN have?
Morningstar had 849 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 856 contracts.
Is MORN open interest rising or falling?
Open interest fell 10.0% over the past four weeks. It was 943 contracts on Oct 7, 2026. See the MORN open interest history for a longer view.
What is the MORN put/call open interest ratio?
The Morningstar put/call open interest ratio was 1.94 as of Nov 4, 2026. Four weeks earlier it was 1.44.
What is Morningstar Inc?
Morningstar Inc is a provider of independent investment insights to financial advisers, asset managers, and investors.