AMBA open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, AMBA options within 45 days held 7,572 calls and 6,148 puts in open interest, a put/call ratio of 0.81. The biggest call strike near the money was 64 and the biggest put strike 63.
AMBA open interest by strike, within 5% of the close
64 carried 1,413 calls and 63 carried 865 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 AMBA pages.
These are the October 20, 2026 closing numbers. Members see AMBA's map move live all session.
Common questions
7,572 calls and 6,148 puts within 45 days at the October 20, 2026 close.
64 near the money, with 1,413 contracts.
63 near the money, with 865 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.