TENB open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, TENB options within 45 days held 1,173 calls and 254 puts in open interest, a put/call ratio of 0.22. The biggest call strike near the money was 40 and the biggest put strike 38.
TENB open interest by strike, within 5% of the close
40 carried 478 calls and 38 carried 44 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 TENB pages.
These are the October 20, 2026 closing numbers. Members see TENB's map move live all session.
Common questions
1,173 calls and 254 puts within 45 days at the October 20, 2026 close.
40 near the money, with 478 contracts.
38 near the money, with 44 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.