MUU open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, MUU options within 45 days held 15,124 calls and 17,771 puts in open interest, a put/call ratio of 1.18. The biggest call strike near the money was 25 and the biggest put strike 25.
MUU open interest by strike, within 5% of the close
25 carried 2,243 calls and 25 carried 3,522 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 MUU pages.
These are the October 20, 2026 closing numbers. Members see MUU's map move live all session.
Common questions
15,124 calls and 17,771 puts within 45 days at the October 20, 2026 close.
25 near the money, with 2,243 contracts.
25 near the money, with 3,522 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.