COP open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, COP options within 45 days held 49,695 calls and 14,181 puts in open interest, a put/call ratio of 0.29. The biggest call strike near the money was 150 and the biggest put strike 140.
COP open interest by strike, within 5% of the close
150 carried 14,573 calls and 140 carried 1,529 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 COP pages.
These are the October 20, 2026 closing numbers. Members see COP's map move live all session.
Common questions
49,695 calls and 14,181 puts within 45 days at the October 20, 2026 close.
150 near the money, with 14,573 contracts.
140 near the money, with 1,529 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.