FN open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, FN options within 45 days held 573 calls and 2,152 puts in open interest, a put/call ratio of 3.76. The biggest call strike near the money was 370 and the biggest put strike 350.
FN open interest by strike, within 5% of the close
370 carried 76 calls and 350 carried 340 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 FN pages.
These are the October 20, 2026 closing numbers. Members see FN's map move live all session.
Common questions
573 calls and 2,152 puts within 45 days at the October 20, 2026 close.
370 near the money, with 76 contracts.
350 near the money, with 340 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.