MS open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, MS options within 45 days held 32,790 calls and 44,813 puts in open interest, a put/call ratio of 1.37. The biggest call strike near the money was 185 and the biggest put strike 172.5.
MS open interest by strike, within 5% of the close
185 carried 2,168 calls and 172.5 carried 7,317 puts.
Open interest counts contracts still open after the close; it settles overnight. Large strikes are where dealer hedging is concentrated, which is why open interest feeds the gamma levels and max pain on the other MS pages.
These are the October 20, 2026 closing numbers. Members see MS's map move live all session.
Common questions
32,790 calls and 44,813 puts within 45 days at the October 20, 2026 close.
185 near the money, with 2,168 contracts.
172.5 near the money, with 7,317 contracts.
Compare: open interest by strike on other tickers
Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.