GLW open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, GLW options within 45 days held 27,039 calls and 58,221 puts in open interest, a put/call ratio of 2.15. The biggest call strike near the money was 135 and the biggest put strike 135.
GLW open interest by strike, within 5% of the close
135 carried 1,751 calls and 135 carried 5,675 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 GLW pages.
These are the October 20, 2026 closing numbers. Members see GLW's map move live all session.
Common questions
27,039 calls and 58,221 puts within 45 days at the October 20, 2026 close.
135 near the money, with 1,751 contracts.
135 near the money, with 5,675 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.