TSEM open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, TSEM options within 45 days held 1,586 calls and 34,950 puts in open interest, a put/call ratio of 22.04. The biggest call strike near the money was 190 and the biggest put strike 190.
TSEM open interest by strike, within 5% of the close
190 carried 21 calls and 190 carried 14,677 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 TSEM pages.
These are the October 20, 2026 closing numbers. Members see TSEM's map move live all session.
Common questions
1,586 calls and 34,950 puts within 45 days at the October 20, 2026 close.
190 near the money, with 21 contracts.
190 near the money, with 14,677 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.