TMF open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, TMF options within 45 days held 27,948 calls and 24,506 puts in open interest, a put/call ratio of 0.88. The biggest call strike near the money was 28 and the biggest put strike 27.
TMF open interest by strike, within 5% of the close
28 carried 4,310 calls and 27 carried 4,592 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 TMF pages.
These are the October 20, 2026 closing numbers. Members see TMF's map move live all session.
Common questions
27,948 calls and 24,506 puts within 45 days at the October 20, 2026 close.
28 near the money, with 4,310 contracts.
27 near the money, with 4,592 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.