ALNY open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, ALNY options within 45 days held 2,014 calls and 1,455 puts in open interest, a put/call ratio of 0.72. The biggest call strike near the money was 240 and the biggest put strike 230.
ALNY open interest by strike, within 5% of the close
240 carried 558 calls and 230 carried 668 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 ALNY pages.
These are the October 20, 2026 closing numbers. Members see ALNY's map move live all session.
Common questions
2,014 calls and 1,455 puts within 45 days at the October 20, 2026 close.
240 near the money, with 558 contracts.
230 near the money, with 668 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.