GAP open interest by strike

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

At the October 20, 2026 close, GAP options within 45 days held 10,465 calls and 12,451 puts in open interest, a put/call ratio of 1.19. The biggest call strike near the money was 24 and the biggest put strike 24.

10,465
Call OI
12,451
Put OI
1.19
Put/call OI
0.18
Put/call volume

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

Strikeputs ← open interest → calls
24.5
24
23.5
23
22.5

24 carried 2,095 calls and 24 carried 2,309 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 GAP pages.

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

Common questions

What is GAP's open interest?

10,465 calls and 12,451 puts within 45 days at the October 20, 2026 close.

Which GAP strike has the most call open interest?

24 near the money, with 2,095 contracts.

Which GAP strike has the most put open interest?

24 near the money, with 2,309 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.