CTSH open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, CTSH options within 45 days held 4,666 calls and 839 puts in open interest, a put/call ratio of 0.18. The biggest call strike near the money was 67.5 and the biggest put strike 65.
CTSH open interest by strike, within 5% of the close
67.5 carried 1,570 calls and 65 carried 130 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 CTSH pages.
These are the October 20, 2026 closing numbers. Members see CTSH's map move live all session.
Common questions
4,666 calls and 839 puts within 45 days at the October 20, 2026 close.
67.5 near the money, with 1,570 contracts.
65 near the money, with 130 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.