ITB open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, ITB options within 45 days held 7,040 calls and 16,049 puts in open interest, a put/call ratio of 2.28. The biggest call strike near the money was 88 and the biggest put strike 85.
ITB open interest by strike, within 5% of the close
88 carried 1,994 calls and 85 carried 5,046 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 ITB pages.
These are the October 20, 2026 closing numbers. Members see ITB's map move live all session.
Common questions
7,040 calls and 16,049 puts within 45 days at the October 20, 2026 close.
88 near the money, with 1,994 contracts.
85 near the money, with 5,046 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.