GGAL open interest by strike

From the closing options book · October 21, 2026 · updated after every close

At the October 21, 2026 close, GGAL options within 45 days held 1,499 calls and 3,558 puts in open interest, a put/call ratio of 2.37. The biggest call strike near the money was 38 and the biggest put strike 35.

1,499
Call OI
3,558
Put OI
2.37
Put/call OI
3.67
Put/call volume

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

Strikeputs ← open interest → calls
38
37
36
35

38 carried 220 calls and 35 carried 633 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 GGAL pages.

These are the October 21, 2026 closing numbers. Members see GGAL's map move live all session.

Common questions

What is GGAL's open interest?

1,499 calls and 3,558 puts within 45 days at the October 21, 2026 close.

Which GGAL strike has the most call open interest?

38 near the money, with 220 contracts.

Which GGAL strike has the most put open interest?

35 near the money, with 633 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.