MS Open Interest
Morgan Stanley (MS) had 456.24K open option contracts as of Nov 4, 2026: 185.77K calls and 270.47K puts. Open interest rose 15.4% over the past four weeks. The put/call open interest ratio is 1.46, so puts outnumber calls.
Open Interest by Strike
Showing results for MS, 2026-11-06(w), calls & puts
Open Interest Stats
Showing results for MS, 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 MS, 2026-11-06(w), calls & puts
Open Interest Total by Expiry
Showing results for MS, 2026-11-06(w), calls & puts. View all expiries
MS 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 MS have?
Morgan Stanley had 456.24K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 430.28K contracts.
Is MS open interest rising or falling?
Open interest rose 15.4% over the past four weeks. It was 395.31K contracts on Oct 7, 2026. See the MS open interest history for a longer view.
What is the MS put/call open interest ratio?
The Morgan Stanley put/call open interest ratio was 1.46 as of Nov 4, 2026. Four weeks earlier it was 1.47.
What is Morgan Stanley?
Morgan Stanley is a massive global financial services firm, with offices in 42 countries and more than 82,000 employees as of year-end 2025.