HCA open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, HCA options within 45 days held 3,161 calls and 5,543 puts in open interest, a put/call ratio of 1.75. The biggest call strike near the money was 480 and the biggest put strike 450.
HCA open interest by strike, within 5% of the close
480 carried 715 calls and 450 carried 657 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 HCA pages.
These are the October 20, 2026 closing numbers. Members see HCA's map move live all session.
Common questions
3,161 calls and 5,543 puts within 45 days at the October 20, 2026 close.
480 near the money, with 715 contracts.
450 near the money, with 657 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.