FIS open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, FIS options within 45 days held 4,046 calls and 2,705 puts in open interest, a put/call ratio of 0.67. The biggest call strike near the money was 37 and the biggest put strike 35.
FIS open interest by strike, within 5% of the close
37 carried 776 calls and 35 carried 636 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 FIS pages.
These are the October 20, 2026 closing numbers. Members see FIS's map move live all session.
Common questions
4,046 calls and 2,705 puts within 45 days at the October 20, 2026 close.
37 near the money, with 776 contracts.
35 near the money, with 636 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.