AA open interest by strike

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

At the October 20, 2026 close, AA options within 45 days held 27,049 calls and 11,564 puts in open interest, a put/call ratio of 0.43. The biggest call strike near the money was 40 and the biggest put strike 40.

27,049
Call OI
11,564
Put OI
0.43
Put/call OI
1.1
Put/call volume

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

Strikeputs ← open interest → calls
42.5
42
41.5
41
40.5
40
39.5
39

40 carried 1,176 calls and 40 carried 2,212 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 AA pages.

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

Common questions

What is AA's open interest?

27,049 calls and 11,564 puts within 45 days at the October 20, 2026 close.

Which AA strike has the most call open interest?

40 near the money, with 1,176 contracts.

Which AA strike has the most put open interest?

40 near the money, with 2,212 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.