CPB open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, CPB options within 45 days held 23,916 calls and 13,675 puts in open interest, a put/call ratio of 0.57. The biggest call strike near the money was 20 and the biggest put strike 20.
CPB open interest by strike, within 5% of the close
20 carried 5,566 calls and 20 carried 2,713 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 CPB pages.
These are the October 20, 2026 closing numbers. Members see CPB's map move live all session.
Common questions
23,916 calls and 13,675 puts within 45 days at the October 20, 2026 close.
20 near the money, with 5,566 contracts.
20 near the money, with 2,713 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.