AMAT open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, AMAT options within 45 days held 23,912 calls and 52,815 puts in open interest, a put/call ratio of 2.21. The biggest call strike near the money was 400 and the biggest put strike 400.
AMAT open interest by strike, within 5% of the close
400 carried 1,181 calls and 400 carried 4,432 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 AMAT pages.
These are the October 20, 2026 closing numbers. Members see AMAT's map move live all session.
Common questions
23,912 calls and 52,815 puts within 45 days at the October 20, 2026 close.
400 near the money, with 1,181 contracts.
400 near the money, with 4,432 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.