FTNT open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, FTNT options within 45 days held 11,631 calls and 13,900 puts in open interest, a put/call ratio of 1.2. The biggest call strike near the money was 175 and the biggest put strike 170.
FTNT open interest by strike, within 5% of the close
175 carried 1,528 calls and 170 carried 995 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 FTNT pages.
These are the October 20, 2026 closing numbers. Members see FTNT's map move live all session.
Common questions
11,631 calls and 13,900 puts within 45 days at the October 20, 2026 close.
175 near the money, with 1,528 contracts.
170 near the money, with 995 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.