GD open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, GD options within 45 days held 3,141 calls and 1,747 puts in open interest, a put/call ratio of 0.56. The biggest call strike near the money was 350 and the biggest put strike 330.
GD open interest by strike, within 5% of the close
350 carried 395 calls and 330 carried 293 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 GD pages.
These are the October 20, 2026 closing numbers. Members see GD's map move live all session.
Common questions
3,141 calls and 1,747 puts within 45 days at the October 20, 2026 close.
350 near the money, with 395 contracts.
330 near the money, with 293 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.