GTLB open interest by strike

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

At the October 20, 2026 close, GTLB options within 45 days held 12,350 calls and 5,128 puts in open interest, a put/call ratio of 0.42. The biggest call strike near the money was 55 and the biggest put strike 55.

12,350
Call OI
5,128
Put OI
0.42
Put/call OI
0.09
Put/call volume

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

Strikeputs ← open interest → calls
57.5
57
56
55
54
53
52.5

55 carried 4,198 calls and 55 carried 834 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 GTLB pages.

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

Common questions

What is GTLB's open interest?

12,350 calls and 5,128 puts within 45 days at the October 20, 2026 close.

Which GTLB strike has the most call open interest?

55 near the money, with 4,198 contracts.

Which GTLB strike has the most put open interest?

55 near the money, with 834 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.