PTIR open interest by strike

From the closing options book · October 20, 2026 · updated after every close

At the October 20, 2026 close, PTIR options within 45 days held 2,319 calls and 775 puts in open interest, a put/call ratio of 0.33. The biggest call strike near the money was 21 and the biggest put strike 22.

2,319
Call OI
775
Put OI
0.33
Put/call OI
0.55
Put/call volume

PTIR open interest by strike, within 5% of the close

Strikeputs ← open interest → calls
23
22
21

21 carried 404 calls and 22 carried 71 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 PTIR pages.

These are the October 20, 2026 closing numbers. Members see PTIR's map move live all session.

Common questions

What is PTIR's open interest?

2,319 calls and 775 puts within 45 days at the October 20, 2026 close.

Which PTIR strike has the most call open interest?

21 near the money, with 404 contracts.

Which PTIR strike has the most put open interest?

22 near the money, with 71 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.