MSTR open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, MSTR options within 45 days held 313,287 calls and 227,250 puts in open interest, a put/call ratio of 0.73. The biggest call strike near the money was 148 and the biggest put strike 140.
MSTR open interest by strike, within 5% of the close
148 carried 24,989 calls and 140 carried 12,875 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 MSTR pages.
These are the October 20, 2026 closing numbers. Members see MSTR's map move live all session.
Common questions
313,287 calls and 227,250 puts within 45 days at the October 20, 2026 close.
148 near the money, with 24,989 contracts.
140 near the money, with 12,875 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.