OITracker Cboe delayed data

Contract OI history

Back to GNK

Nov 20, 2026 EXPIRATION

GNK $25.00 Call

GNK261120C00025000

Latest saved OI578Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GNK $25.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5882940 2026-10-02: 547 OI2026-10-05: 547 OI2026-10-06: 547 OI2026-10-07: 552 OI2026-10-08: 572 OI2026-10-09: 587 OI2026-10-13: 588 OI2026-10-14: 588 OI2026-10-16: 587 OI2026-10-20: 578 OI2026-10-23: 578 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GNK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265780
Oct 20, 2026Viewing578-9
Oct 16, 2026587-1
Oct 14, 20265880
Oct 13, 2026588+1
Oct 09, 2026587+15
Oct 08, 2026572+20
Oct 07, 2026552+5
Oct 06, 20265470
Oct 05, 20265470
Oct 02, 2026547No prior observation