OUST open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, OUST options within 45 days held 4,755 calls and 11,547 puts in open interest, a put/call ratio of 2.43. The biggest call strike near the money was 30 and the biggest put strike 30.
OUST open interest by strike, within 5% of the close
30 carried 357 calls and 30 carried 3,212 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 OUST pages.
These are the October 20, 2026 closing numbers. Members see OUST's map move live all session.
Common questions
4,755 calls and 11,547 puts within 45 days at the October 20, 2026 close.
30 near the money, with 357 contracts.
30 near the money, with 3,212 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.