STX open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, STX options within 45 days held 17,600 calls and 40,713 puts in open interest, a put/call ratio of 2.31. The biggest call strike near the money was 700 and the biggest put strike 700.
STX open interest by strike, within 5% of the close
700 carried 1,098 calls and 700 carried 2,169 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 STX pages.
These are the October 20, 2026 closing numbers. Members see STX's map move live all session.
Common questions
17,600 calls and 40,713 puts within 45 days at the October 20, 2026 close.
700 near the money, with 1,098 contracts.
700 near the money, with 2,169 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.