MSCI open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, MSCI options within 45 days held 2,161 calls and 2,253 puts in open interest, a put/call ratio of 1.04. The biggest call strike near the money was 590 and the biggest put strike 570.
MSCI open interest by strike, within 5% of the close
590 carried 1,106 calls and 570 carried 20 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 MSCI pages.
These are the October 20, 2026 closing numbers. Members see MSCI's map move live all session.
Common questions
2,161 calls and 2,253 puts within 45 days at the October 20, 2026 close.
590 near the money, with 1,106 contracts.
570 near the money, with 20 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.