STT open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, STT options within 45 days held 3,786 calls and 2,525 puts in open interest, a put/call ratio of 0.67. The biggest call strike near the money was 170 and the biggest put strike 165.
STT open interest by strike, within 5% of the close
170 carried 173 calls and 165 carried 442 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 STT pages.
These are the October 20, 2026 closing numbers. Members see STT's map move live all session.
Common questions
3,786 calls and 2,525 puts within 45 days at the October 20, 2026 close.
170 near the money, with 173 contracts.
165 near the money, with 442 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.