RBRK open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, RBRK options within 45 days held 6,688 calls and 4,608 puts in open interest, a put/call ratio of 0.69. The biggest call strike near the money was 120 and the biggest put strike 110.
RBRK open interest by strike, within 5% of the close
120 carried 1,058 calls and 110 carried 662 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 RBRK pages.
These are the October 20, 2026 closing numbers. Members see RBRK's map move live all session.
Common questions
6,688 calls and 4,608 puts within 45 days at the October 20, 2026 close.
120 near the money, with 1,058 contracts.
110 near the money, with 662 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.