TOST open interest by strike
From the closing options book · October 20, 2026 · updated after every close
At the October 20, 2026 close, TOST options within 45 days held 16,117 calls and 10,351 puts in open interest, a put/call ratio of 0.64. The biggest call strike near the money was 32 and the biggest put strike 32.
TOST open interest by strike, within 5% of the close
32 carried 1,967 calls and 32 carried 1,610 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 TOST pages.
These are the October 20, 2026 closing numbers. Members see TOST's map move live all session.
Common questions
16,117 calls and 10,351 puts within 45 days at the October 20, 2026 close.
32 near the money, with 1,967 contracts.
32 near the money, with 1,610 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.