APA open interest by strike

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

At the October 20, 2026 close, APA options within 45 days held 13,342 calls and 5,049 puts in open interest, a put/call ratio of 0.38. The biggest call strike near the money was 50 and the biggest put strike 48.

13,342
Call OI
5,049
Put OI
0.38
Put/call OI
0.41
Put/call volume

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

Strikeputs ← open interest → calls
52
51
50
49.5
49
48.5
48
47.5

50 carried 3,696 calls and 48 carried 603 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 APA pages.

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

Common questions

What is APA's open interest?

13,342 calls and 5,049 puts within 45 days at the October 20, 2026 close.

Which APA strike has the most call open interest?

50 near the money, with 3,696 contracts.

Which APA strike has the most put open interest?

48 near the money, with 603 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.